{"title":"Piston","description":"\u003cp dir=\"ltr\"\u003e\u003cspan\u003eA cross motorcycle piston takes the hardest blows of your entire engine block. Thousands of revolutions per minute under extreme heat and crushing pressure. If you put off maintenance for too long, the piston will tilt, snap a piston ring, or finally seize in your cylinder wall. That will cost you a full engine overhaul.\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eAt MXProStoreParts, we supply loose pistons and complete piston kits from top brands like Vertex, Wiseco, ProX and Wössner. Whether you ride a high-revving 2-stroke or a heavy-duty 4-stroke, never gamble with clearances and fits. Use the parts finder for the exact dimensions and install a piston that can handle the brute power of your engine.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"athena-zuiger-b-maat-84-95-voor-big-bore-p400210100067-athena-cilinder-honda-crf-250r-2018-2024-crf-250rx-2019-2024","title":"Athena Piston (Size B 84,95) for Big Bore P400210100067 Athena Cylinder, Fits Honda CRF 250R 2018-2024 \u0026 CRF 250RX 2019-2024","description":"","brand":"Athena","offers":[{"title":"Default Title","offer_id":51321766805842,"sku":"JU-S5F08500001B","price":246.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/S5F08500001A.jpg?v=1774986068"},{"product_id":"honda-oem-zuigerveer-honda-cr-80r-rb-1996-2002","title":"Honda OEM Piston Spring for Honda CR 80R\/RB 1996-2002","description":"","brand":"Origineel Honda","offers":[{"title":"Default Title","offer_id":51321814221138,"sku":"JU-13121-GBF-841","price":24.2,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/13121-GBF-841.jpg?v=1774985167"},{"product_id":"vertex-zuiger-ktm-sx-f-250-2023-husqvarna-fc-250-2023-gas-gas-mc-250f-2024","title":"Vertex Piston KTM SX-F 250 2023- \u0026 Husqvarna FC 250 2023- \u0026 Gas Gas MC 250F 2024-","description":"","brand":"Vertex","offers":[{"title":"A 80,96","offer_id":51321891160402,"sku":"JU-24615A","price":217.18,"currency_code":"EUR","in_stock":false},{"title":"C 80,98","offer_id":51358092886354,"sku":"JU-24615C","price":217.18,"currency_code":"EUR","in_stock":true},{"title":"B 80,97","offer_id":51358092919122,"sku":"JU-24615B","price":217.18,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/vertex-zuiger-4-takt_cdc4fedd-f494-44b0-8a6f-e48a57e30e9a.jpg?v=1774983548"},{"product_id":"vertex-zuiger-54-20-met-enkele-zuigerveer-ktm-sx-125-exc-1998-2000","title":"Vertex Piston 54.20 (with Single Piston Spring) for KTM SX 125\/EXC 1998-2000","description":"","brand":"Vertex","offers":[{"title":"Default Title","offer_id":51321941623122,"sku":"JU-22532B","price":147.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/22532B_84e26df0-458e-48ae-8575-54b9ccb86ded.jpg?v=1773441339"},{"product_id":"vertex-top-end-zuiger-kit-maat-53-95-met-enkele-zuigerveer-yamaha-yz-125-2022-fantic-xx-xe-125-2022","title":"Vertex Top End Piston Kit Size 53.95 (With Single Piston Spring) Yamaha YZ 125 2022 \/ Fantic XX\/XE 125 2022","description":"","brand":"Vertex","offers":[{"title":"Default Title","offer_id":51321958170962,"sku":"JU-VTK24570B","price":194.88,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/VTK24570A_dd12454a-ac4b-4b97-afda-3cc9d7f9be99.jpg?v=1773440999"},{"product_id":"wossner-zuiger-met-enkele-zuigerveer-kawasaki-kx-125-1992-1993","title":"Wössner Piston with Single Piston Ring for Kawasaki KX 125 1992-1993","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026:has([data-writing-block])\u003e*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-200\" data-turn=\"assistant\" data-turn-id=\"request-69ce22ba-a1d8-8388-8c73-6a3c772c60a6-39\" dir=\"auto\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026]:mt-1\" data-message-author-role=\"assistant\" data-message-id=\"603476c5-c9eb-4b96-a983-98b40cf4d1a7\" data-message-model-slug=\"gpt-5-3-instant\" data-turn-start-message=\"true\" dir=\"auto\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003cp data-end=\"430\" data-start=\"124\"\u003eThe \u003cstrong data-end=\"200\" data-start=\"127\"\u003eWössner piston with single piston spring for Kawasaki KX 125 (1992-1993)\u003c\/strong\u003e is a high-quality replacement piston designed for maximum performance and reliability in classic 2-stroke engines. This piston is ideal for overhauls, maintenance, or restoring your engine's original power.\u003c\/p\u003e\n\u003cp data-end=\"638\" data-start=\"432\"\u003eWössner is known worldwide for its premium quality, manufacturing pistons to extremely tight tolerances. This ensures you get a perfect fit and optimal performance within the engine block.\u003c\/p\u003e\n\u003cp data-end=\"921\" data-start=\"640\"\u003eThe single piston spring design reduces internal friction, resulting in faster throttle response and better performance. This makes the piston particularly suitable for sporting use and motocross applications where maximum efficiency and power are important.\u003c\/p\u003e\n\u003cp data-end=\"1168\" data-start=\"923\"\u003eThis piston is crafted from high-quality forged aluminum, delivering an excellent strength-to-weight ratio and high resistance to heat and wear. This keeps the engine performing reliably, even under heavy loads.\u003c\/p\u003e\n\u003cp data-end=\"1406\" data-start=\"1170\"\u003eThanks to its precise finish, the piston seals perfectly against the cylinder, delivering optimal compression and smooth engine operation. Installation is straightforward, suitable for both professional mechanics and experienced DIY enthusiasts.\u003c\/p\u003e\n\u003cp data-end=\"1559\" data-is-last-node=\"\" data-is-only-node=\"\" data-start=\"1408\"\u003eThe ideal choice for riders looking to get their Kawasaki KX 125 back into top condition with a durable, performance-focused piston of the highest quality.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\/\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\/\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Wössner","offers":[{"title":"54,94","offer_id":51321961677138,"sku":"8110D100","price":139.95,"currency_code":"EUR","in_stock":false},{"title":"54,44","offer_id":51358094360914,"sku":"8110D050","price":139.95,"currency_code":"EUR","in_stock":true},{"title":"53,95","offer_id":51358094393682,"sku":"8110DB","price":139.95,"currency_code":"EUR","in_stock":false},{"title":"53,94","offer_id":51358094426450,"sku":"8110DA","price":139.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/woessner-piston-2-stroke_decb0203-890f-4935-b316-dfde05fe6139.jpg?v=1779192606"},{"product_id":"prox-piston-kit-ktm250sx-f-23-fc250-23-14-5-1-80-98mm","title":"ProX Piston Kit for KTM250SX-F '23 + FC250 '23 14.5:1 (80.98mm)","description":"\u003cp dir=\"auto\"\u003eDiscover the powerful performance upgrade for your latest-generation 250 4-stroke engine with the \u003cstrong\u003eProX High Compression Complete Piston Kit, size 80.98 mm (Dimension C)\u003c\/strong\u003e with an impressive \u003cstrong\u003e14.5:1 compression ratio\u003c\/strong\u003e. This complete forged piston kit was specially developed for the \u003cstrong\u003eKTM 250 SX-F\u003c\/strong\u003e from 2023 and the \u003cstrong\u003eHusqvarna FC 250\u003c\/strong\u003e from 2023 (also perfectly suited for equivalent GasGas MC\/EX 250F models). ProX delivers a premium, Japanese forged piston that delivers significantly more power, torque, and a more aggressive power band—ideal for serious motocross riders, enduro riders, and racers who want to get the most out of their 250F without expensive cylinder or head modifications. This high-compression variant is a popular choice for riders seeking a noticeable power boost on the MX track, in technical enduro sections, or during intensive training sessions.\u003c\/p\u003e","brand":"ProX","offers":[{"title":"Default Title","offer_id":51322016825682,"sku":"01.6348.C","price":197.26,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/tlok-kompletny-prox-1451-8098mm_1.webp?v=1777254308"},{"product_id":"prox-pst-kit-ktm250sx-f-16-22-fc250-16-22-14-4-1-77-97mm","title":"ProX Pst Kit for KTM 250SX-F '16-'22 \/ FC250 '16-'22 14.4:1 (77.97mm)","description":"\u003cp dir=\"auto\"\u003eDiscover the ultimate performance upgrade for your modern 250 4-stroke engine with the \u003cstrong\u003eProX High Compression Piston Kit size 77.97 mm (Dimension B)\u003c\/strong\u003e with an impressive \u003cstrong\u003e14.4:1 compression ratio\u003c\/strong\u003e. This complete piston kit is specially developed for the \u003cstrong\u003eKTM 250 SX-F\u003c\/strong\u003e model years 2016 to 2022 and the \u003cstrong\u003eHusqvarna FC 250\u003c\/strong\u003e from the same period (also compatible with GasGas MC\/EX 250F 2021-2023). ProX delivers a high-quality, Japanese forged piston that delivers more power, better throttle response, and a more aggressive power band – ideal for motocross riders, enduro enthusiasts, and racers who want to get the most out of their 250F without expensive internal engine modifications. This high-compression variant is a popular choice for riders seeking noticeable power gains on the MX track or in technical enduro sections.\u003c\/p\u003e","brand":"mxprostorenl","offers":[{"title":"Default Title","offer_id":51322017120594,"sku":"01.6347.B","price":184.36,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/pxr-01-6339-c_xl.jpg?v=1777254308"},{"product_id":"prox-piston-kit-ktm250sx-f-23-fc250-23-14-5-1-80-97mm","title":"ProX Piston Kit KTM250SX-F '23 + FC250 '23 14.5:1 (80.97mm)","description":"\u003cp dir=\"auto\"\u003eGet more power, better throttle response, and a higher top-end from your engine with the \u003cstrong\u003eProX Piston Kit 14.5:1\u003c\/strong\u003e for the \u003cstrong\u003eKTM 250SX-F 2023-2025\u003c\/strong\u003e and \u003cstrong\u003eHusqvarna FC250 2023-2025\u003c\/strong\u003e. This is a premium high-compression piston kit in standard bore size (80.97 mm) that fits perfectly on the latest generation of 250cc four-stroke motocross engines.\u003c\/p\u003e\u003cp dir=\"auto\"\u003eProX Racing Parts has been delivering top-quality pistons with an excellent price-to-performance ratio for years. This kit is crafted from high-grade forged aluminum with a specialized skirt coating to reduce friction, improve heat dissipation, and extend service life. The \u003cstrong\u003e14.5:1 compression ratio\u003c\/strong\u003e (higher than stock) delivers noticeable power gains, quicker throttle response, and more corner-exit punch – ideal for both competitive riders and riders looking for that extra bit of performance without a full engine overhaul.\u003c\/p\u003e\u003cp dir=\"auto\"\u003eThe piston features a flat crown with a raised top for optimized combustion, and comes with high-quality piston rings, a steel piston pin, and circlips. Everything is ready to install, precision-made to exact specifications, and a direct bolt-in replacement.\u003c\/p\u003e","brand":"Prox","offers":[{"title":"Default Title","offer_id":51322017284434,"sku":"01.6348.B","price":197.26,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/01.4351.a-piston-prox-4-stroke_21.jpg?v=1779192607"},{"product_id":"prox-pst-kit-ktm250sx-f-16-22-fc250-16-22-14-4-1-77-96mm","title":"ProX Pst Kit KTM 250SX-F '16-22\/FC250 '16-22 14.4:1 (77.96mm)","description":"\u003cp dir=\"auto\"\u003eThe \u003cstrong\u003eProX Piston Kit KTM 250 SX-F 2016-2022 \/ Husqvarna FC250 2016-2022 14.4:1 (77.96mm)\u003c\/strong\u003e is the perfect high-performance solution for every serious 4-stroke motocross rider seeking maximum power and reliability. This complete piston kit from ProX Racing Parts will restore your engine to top condition or even deliver a slight performance boost thanks to its premium 14.4:1 compression ratio.\u003c\/p\u003e\u003cp dir=\"auto\"\u003eThis ProX piston kit is specially developed for the KTM 250 SX-F and Husqvarna FC250 models from the 2016 through 2022 model years. The bore is a standard 77.96 mm (size A), ideal for original cylinder replacements or light overboring. The piston is CNC-machined from high-grade aluminum to strict ProX specifications, with a high-quality coating for optimal break-in, reduced wear, and extended service life.\u003c\/p\u003e","brand":"PROX","offers":[{"title":"Default Title","offer_id":51322017349970,"sku":"01.6347.A","price":184.36,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/22672be2033febd16ff9d8bec9290912_600.webp?v=1776573308"},{"product_id":"prox-piston-kit-ktm250sx-f-06-12-250exc-f-07-13-75-97mm","title":"ProX Piston Kit KTM250SX-F '06-12\/250EXC-F '07-13 (75.97mm)","description":"\u003cp dir=\"auto\"\u003eThe \u003cstrong\u003eProX Piston Kit KTM 250 SX-F 2006-2012 \/ 250 EXC-F 2007-2013 (75.97mm)\u003c\/strong\u003e is the perfect high-performance piston kit for anyone looking to rebuild or upgrade their older KTM 250 4-stroke engine to top condition. This complete ProX Racing Parts kit will bring your engine back to life with reliable performance and excellent durability.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eSpecially developed for the KTM 250 SX-F model years 2006 through 2012 and the 250 EXC-F models from 2007 through 2013. The bore measures \u003cstrong\u003e75.97 mm\u003c\/strong\u003e (standard size), ideal for a direct replacement of the original piston without extra boring.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe ProX piston is CNC-machined from high-quality aluminum to strict racing specifications. Thanks to its special coating, the piston breaks in faster, reduces wear, and ensures optimal lubrication, even during intense motocross and enduro use. The compression ratio remains identical to the original, so your engine will continue to perform smoothly and reliably.\u003c\/p\u003e","brand":"PROX","offers":[{"title":"Default Title","offer_id":51322017481042,"sku":"01.6338.B","price":184.36,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/tlok-kompletny-prox-7597mm-selekcja-b-kuty_1.webp?v=1779192607"},{"product_id":"prox-piston-kit-ktm250sx-f-06-12-250exc-f-07-13-75-98mm","title":"ProX Piston Kit for KTM250SX-F 2006-2012 \/ 250EXC-F 2007-2013 (75.98mm)","description":"\u003cp dir=\"auto\"\u003eThe \u003cstrong\u003eProX Piston Kit 75,98 mm\u003c\/strong\u003e is the perfect high-performance piston kit for your KTM 250 4-stroke engine. This complete ProX Racing Parts kit delivers crisp power, better throttle response and excellent durability – ideal for both motocross and enduro.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e \u003c\/p\u003e","brand":"Prox","offers":[{"title":"Default Title","offer_id":51322017513810,"sku":"01.6338.C","price":184.36,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/tlok-kompletny-prox-7598mm-selekcja-c-kuty_1.webp?v=1779192607"},{"product_id":"prox-pst-kit-ktm250sx-f13-15-250exc-f14-23-13-9-1-77-96mm","title":"ProX Pst Kit for KTM 250SX-F '13-15\/250EXC-F '14-23, 13.9:1 (77.96mm)","description":"\u003cp dir=\"auto\"\u003eBring more power, quicker throttle response, and a crisp top-end back to your motorcycle with the \u003cstrong\u003eProX Piston Kit 13.9:1\u003c\/strong\u003e in the popular \u003cstrong\u003e77.96 mm\u003c\/strong\u003e size for the \u003cstrong\u003eKTM 250SX-F 2013-2015\u003c\/strong\u003e and \u003cstrong\u003eKTM 250EXC-F 2014-2023\u003c\/strong\u003e (also compatible with many similar Husqvarna FE 250 models from that era).\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThis premium high-compression piston kit from ProX Racing Parts is an excellent upgrade or perfect replacement for a worn-out original piston. ProX pistons are manufactured from premium forged aluminum on state-of-the-art CNC machines, with a special anti-friction coating on the skirt. This reduces friction, improves heat dissipation, minimizes wear, and extends service life—even under the harsh conditions of motocross and enduro.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe \u003cstrong\u003e13.9:1 compression ratio\u003c\/strong\u003e (slightly higher than stock) delivers noticeable horsepower gains, especially in the mid-range and high-RPM bands, without requiring a full engine overhaul. The flat-top piston with an optimized combustion chamber ensures efficient combustion, better throttle response, and extra off-the-line punch—ideal for both competitive racers and enthusiastic recreational riders.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThis complete kit includes everything you need for straightforward installation: • ProX forged aluminum piston (77.96 mm) • Premium piston ring set • Steel piston pin (wrist pin) • Two circlips\u003c\/p\u003e","brand":"PROX","offers":[{"title":"Default Title","offer_id":51322017710418,"sku":"01.6333.A","price":184.36,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/01-6333-a-1_1.jpg?v=1779192608"},{"product_id":"prox-pst-kit-ktm250sx-f13-15-250exc-f14-23-13-9-1-77-97mm","title":"ProX Piston Kit for KTM250SX-F'13-15\/250EXC-F'14-23 13.9:1 (77.97mm)","description":"\u003cp dir=\"auto\"\u003eRestore more power, quicker throttle response, and a crisp top-end to your motorcycle with the \u003cstrong\u003eProX Piston Kit 13.9:1\u003c\/strong\u003e in stock size (77.97 mm) for the \u003cstrong\u003eKTM 250SX-F 2013-2015\u003c\/strong\u003e and \u003cstrong\u003eKTM 250EXC-F 2014-2023\u003c\/strong\u003e (and often also compatible with equivalent Husqvarna FE 250 models from that era).\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThis premium high-compression piston kit from ProX Racing Parts is an excellent upgrade or perfect replacement for a worn-out original piston. ProX pistons are manufactured from premium forged aluminum on state-of-the-art CNC machines, with a special anti-friction coating on the skirt. This reduces friction, improves heat dissipation, lowers wear, and extends service life – even under the harsh conditions of motocross and enduro.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe \u003cstrong\u003e13.9:1 compression ratio\u003c\/strong\u003e (slightly higher than stock) delivers noticeable horsepower gains, especially in the mid-range and high-RPM bands, without requiring a full engine overhaul. The flat-top piston with an optimized combustion chamber ensures efficient combustion, better throttle response, and extra snap out of corners – ideal for both competitive riders and enthusiastic recreational riders.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThis complete kit includes everything you need for straightforward installation: • ProX forged aluminum piston (77.97 mm) • Premium piston ring set • Steel piston pin (wrist pin) • Two circlips\u003c\/p\u003e","brand":"Prox","offers":[{"title":"Default Title","offer_id":51322017775954,"sku":"01.6333.B","price":184.36,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/01-6333-a-1_2.jpg?v=1779192608"},{"product_id":"prox-piston-kit-ktm65sx-00-08-44-96mm","title":"ProX Piston Kit for KTM65SX '00-08 (44.96mm)","description":"\u003cp dir=\"auto\"\u003eGive your classic \u003cstrong\u003eKTM 65SX (2000-2008)\u003c\/strong\u003e new power, better compression, and a tight, crisp 2-stroke feel with the \u003cstrong\u003eProX Piston Kit 44.96 mm\u003c\/strong\u003e – the high-quality piston kit that fits perfectly on the early-generation KTM 65SX!\u003c\/p\u003e\u003cp dir=\"auto\"\u003eProX delivers premium piston kits that match OEM specifications exactly. This complete kit includes a \u003cstrong\u003ehigh-quality forged piston\u003c\/strong\u003e sized \u003cstrong\u003e44.96 mm\u003c\/strong\u003e (standard oversize) with optimal compression for the compact 65cc engine. The piston features a special coating for excellent heat dissipation and minimal wear, so your engine runs smoother and lasts longer.\u003c\/p\u003e\u003cp dir=\"auto\"\u003eThe kit comes complete with:\u003c\/p\u003e\u003cul dir=\"auto\"\u003e\u003cli\u003ePiston rings\u003c\/li\u003e\u003cli\u003ePiston pin\u003c\/li\u003e\u003cli\u003eClips\u003c\/li\u003e\u003c\/ul\u003e\u003cp dir=\"auto\"\u003eWhether you’re performing a major service after an intense racing season, carrying out a light overbore, or simply doing preventive replacement: this ProX piston will bring your classic KTM 65SX back to top condition with that powerful, responsive 2-stroke character the early 65SX is famous for. Perfect for riders restoring their old 65SX or using it for serious, consistent training.\u003c\/p\u003e\u003cp dir=\"auto\"\u003e\u003cstrong\u003eWhy KTM 65SX 00-08 owners choose the ProX Piston Kit 44.96 mm:\u003c\/strong\u003e\u003c\/p\u003e\u003cul dir=\"auto\"\u003e\u003cli\u003eHigh-quality forged aluminum with heat-resistant coating\u003c\/li\u003e\u003cli\u003eExact 44.96 mm size – perfect fit for KTM 65SX 2000-2008\u003c\/li\u003e\u003cli\u003eComplete kit with rings, piston pin, and clips – ready to install\u003c\/li\u003e\u003cli\u003eBetter compression, throttle response, and combustion\u003c\/li\u003e\u003cli\u003eLess wear and longer engine lifespan\u003c\/li\u003e\u003cli\u003eReliable ProX quality at a competitive price\u003c\/li\u003e\u003c\/ul\u003e","brand":"PROX","offers":[{"title":"Default Title","offer_id":51322019545426,"sku":"01.6022.A","price":56.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/tlok-kompletny-prox-4496mm-selekcja-a-sworzen-12mm_1.webp?v=1776250568"},{"product_id":"vertex-zuiger-met-dubbele-zuigerveer-suzuki-rm-250-96-97","title":"Vertex piston (with double piston spring) Suzuki RM 250 96-97","description":"","brand":"Vertex","offers":[{"title":"66,37","offer_id":51322065977682,"sku":"JU-22386D","price":148.72,"currency_code":"EUR","in_stock":true},{"title":"66,36","offer_id":51358097539410,"sku":"22386C","price":148.72,"currency_code":"EUR","in_stock":false},{"title":"66,35","offer_id":51358097572178,"sku":"22386B","price":148.72,"currency_code":"EUR","in_stock":false},{"title":"66,34","offer_id":51358097604946,"sku":"22386A","price":148.72,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/22809_c9f33163-2421-45ac-8948-08a2b593bde1.jpg?v=1773441408"},{"product_id":"vertex-zuiger-maat-44-97-met-enkele-zuigerveer-ktm-sx-65-1997-2008","title":"Vertex Piston Size 44.97 (With Single Piston Spring) KTM SX 65 1997-2008","description":"\u003cp data-start=\"42\" data-end=\"427\"\u003eThe Vertex 44.97 mm piston with single piston spring for the KTM SX 65 (1997-2008) is a high-quality performance upgrade for young racers and enthusiastic riders who want to get the most out of their engine. Vertex is known worldwide as an OEM supplier to many motorcycle manufacturers and supplies top-quality pistons that perfectly meet the requirements of modern motocross engines.\u003c\/p\u003e\n\u003cp data-start=\"429\" data-end=\"884\"\u003eThis piston is specifically designed for optimal performance and durability within the KTM SX 65's two-stroke engine block. The 44.97 mm size indicates an exact fit, ideal for overhauls or replacements where precision is essential for correct compression and smooth engine operation. Thanks to the high-quality aluminum alloy, the piston is lightweight, yet extremely strong and resistant to high temperatures and loads.\u003c\/p\u003e\n\u003cp data-start=\"886\" data-end=\"1271\"\u003eThe single piston spring design reduces friction within the cylinder, resulting in faster throttle response and better performance. This makes this piston particularly suitable for competition use and riders who want maximum power and efficiency. At the same time, durability is guaranteed by the high quality of the materials used and the precise finish.\u003c\/p\u003e\n\u003cp data-start=\"1273\" data-end=\"1635\"\u003eThis piston is designed for a perfect fit in combination with the original KTM SX 65 cylinder, making installation straightforward and ensuring reliable operation. The production precision ensures the piston provides optimal sealing, which contributes to efficient combustion and maximum engine performance.\u003c\/p\u003e\n\u003cp data-start=\"1637\" data-end=\"1926\"\u003eUsing a quality piston like this Vertex variant is essential for maintaining engine performance and preventing damage from wear or poor compression. Regular replacement during overhauls ensures the engine continues to run smoothly and retains its power.\u003c\/p\u003e\n\u003cp data-start=\"1928\" data-end=\"2143\"\u003eIn short, the Vertex 44.97 mm piston with single piston spring is an excellent choice for anyone looking to restore their KTM SX 65 to top condition or upgrade it for better performance and reliability on the track.\u003c\/p\u003e","brand":"Vertex","offers":[{"title":"Default Title","offer_id":51322089734482,"sku":"22481CD","price":54.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/22481_40c35d51-364a-4ec5-9fe4-8631daf5c01f.jpg?v=1773441434"},{"product_id":"vertex-zuiger-ktm-sx-exc-250-husqvarna-tc-te-250-b-maat-66-35","title":"Vertex Piston for KTM SX\/EXC 250 and Husqvarna TC\/TE 250 (Size B 66.35)","description":"","brand":"Vertex","offers":[{"title":"Default Title","offer_id":51322186170706,"sku":"JU-23630B","price":179.84,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/23630.jpg?v=1774979168"},{"product_id":"vertex-zuiger-ktm-sx-exc-250-husqvarna-tc-te-250-c-maat-66-36","title":"Vertex Piston for KTM SX\/EXC 250 and Husqvarna TC\/TE 250 (C Size 66.36)","description":"","brand":"Vertex","offers":[{"title":"Default Title","offer_id":51322188038482,"sku":"JU-23630C","price":179.84,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/23630_bb06aa6a-a505-495b-a723-6e26ce88ae9b.jpg?v=1774979168"},{"product_id":"vertex-zuiger-maat-a-66-34-honda-cr-250r-1989-1994","title":"Vertex piston size A 66,34 for Honda CR 250R 1989-1994","description":"","brand":"Vertex","offers":[{"title":"Default Title","offer_id":51322229162322,"sku":"JU-22153A","price":157.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/22153.jpg?v=1773441476"},{"product_id":"vertex-zuiger-maat-c-66-36-honda-cr-250r-1989-1994","title":"Vertex Piston Size C 66.36 Honda CR 250R 1989-1994","description":"","brand":"Vertex","offers":[{"title":"Default Title","offer_id":51322229227858,"sku":"JU-22153C","price":157.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/22153_474d881c-8dc1-4860-8b10-672aa0d90e27.jpg?v=1773441476"},{"product_id":"prox-zuiger-maat-47-00-yamaha-pw-80-83-06","title":"Prox Piston Size 47.00 for Yamaha PW 80 83-06","description":"","brand":"Prox","offers":[{"title":"Default Title","offer_id":51322298859858,"sku":"01.2008.000","price":66.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/01.2008.000-scaled-1.jpg?v=1773441383"},{"product_id":"vertex-zuiger-55-95-met-dubbele-zuigerveer-ktm-sx-144-07-08-sx-150-09-15","title":"Vertex piston 55.95 (with double piston spring) KTM SX 144 07-08 \u0026 SX 150 09-15","description":"","brand":"Vertex","offers":[{"title":"Default Title","offer_id":51322315407698,"sku":"JU-23383A","price":180.47,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/zuiger-vertex-2-zuigerveren_42f6a65d-51be-4e97-b112-8a6e135f38b2.jpg?v=1774977491"},{"product_id":"vertex-zuiger-maat-44-97-met-enkele-zuigerveer-ktm-sx-65-09-husqvarna-tc-65-17","title":"Vertex Piston Size 44,97 (With Single Piston Spring) Fits KTM SX 65 09-Onwards \u0026 Husqvarna TC 65 17-Onwards","description":"\u003cp dir=\"auto\"\u003eBring your KTM SX 65 or Husqvarna TC 65 back to life with the high-quality Vertex 44.97 piston, including a single piston spring!\u003c\/p\u003e\u003cp dir=\"auto\"\u003eThis premium Vertex piston was specially developed for the compact but powerful 65cc 2-stroke engines and delivers race-quality performance. With its precise 44.97 mm size, it fits perfectly into your cylinder and provides optimal compression, better combustion, and more power. The piston is made of high-quality aluminum with a special coating that minimizes wear and extends service life, even during intense motocross sessions and high RPMs.\u003c\/p\u003e\u003cp dir=\"auto\"\u003eA single piston spring is included for a complete and reliable installation. Ideal when performing a full engine rebuild, troubleshooting compression issues, or simply wanting to unlock more power from your mini motocross bike. Vertex is renowned for its reliable, high-performance parts used by many professional teams.\u003c\/p\u003e\u003cp dir=\"auto\"\u003e✅ 44.97 mm size – perfect fit for KTM SX 65 (2009-) and Husqvarna TC 65 (2017-) ✅ High-quality Vertex aluminum with wear-resistant coating ✅ Includes single piston spring ✅ Better compression and more power ✅ Durable for daily motocross sessions and races\u003c\/p\u003e","brand":"Vertex","offers":[{"title":"Default Title","offer_id":51322315964754,"sku":"JU-23430CD","price":63.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/23430.jpg?v=1773441444"},{"product_id":"vertex-zuiger-maat-53-94-met-enkele-zuigerveer-yamaha-yz-125-05-fantic-xx-xe-125-2021","title":"Vertex Piston Size 53.94 (With Single Piston Spring) For Yamaha YZ 125 05-Onwards \u0026 Fantic XX\/XE 125 2021","description":"\u003cp dir=\"auto\"\u003eGive your Yamaha YZ 125 or Fantic 125 new life and more power with the \u003cstrong\u003eVertex 53.94 mm Single Piston Ring Piston\u003c\/strong\u003e – the high-performance piston that fits perfectly on \u003cstrong\u003eYamaha YZ 125 (2005 and newer)\u003c\/strong\u003e and \u003cstrong\u003eFantic XX\/XE 125 (2021 and newer)\u003c\/strong\u003e!\u003c\/p\u003e\u003cp dir=\"auto\"\u003eVertex is known for its top-quality 2-stroke pistons, and this 53.94 mm option (standard oversize) delivers a direct, reliable upgrade. The piston is made from high-quality forged aluminum with a special coating for excellent heat dissipation and minimal wear. The \u003cstrong\u003esingle piston ring\u003c\/strong\u003e delivers a lightweight, responsive feel, ideal for riders looking for a great balance of performance, reliability, and affordability.\u003c\/p\u003e\u003cp dir=\"auto\"\u003eThis piston delivers better compression, cleaner combustion, and quicker throttle response compared to a worn original piston. Whether you're doing a full engine rebuild, starting a new season, or just want to get your 125cc 2-stroke running smoothly again, the Vertex 53.94 mm piston will get your engine back to top condition.\u003c\/p\u003e\u003cp dir=\"auto\"\u003eThis kit comes complete with piston rings, a piston pin, and circlips, and fits 100% plug-and-play into the original cylinder (or after a light hone). Simple installation and a perfect fit make this piston a favorite among both recreational riders and serious motocross riders.\u003c\/p\u003e","brand":"Vertex","offers":[{"title":"Default Title","offer_id":51322316226898,"sku":"JU-23119B","price":129.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/23119_692aee40-18f2-4bb3-8383-cacc44f3fcec.jpg?v=1776246487"},{"product_id":"prox-zuiger-maat-66-35-ktm-sx-250-05-exc-250-06-husqvarna-tc-250-14-te-250-14-beta-rr-250-2-takt-13-15","title":"Prox Piston Size 66.35 Fits KTM SX 250 05-, EXC 250 06-, Husqvarna TC 250 14-, TE 250 14- \u0026 Beta RR 250 2-Stroke 13-15","description":"\u003cp dir=\"auto\"\u003eDiscover the high-quality \u003cstrong\u003eProX Piston in size 66.35 mm (Dimension B)\u003c\/strong\u003e as the perfect replacement or upgrade for your 250cc 2-stroke engine. This complete piston kit is specially developed for the \u003cstrong\u003eKTM SX 250\u003c\/strong\u003e from 2005, \u003cstrong\u003eEXC 250\u003c\/strong\u003e from 2006, \u003cstrong\u003eHusqvarna TC 250\u003c\/strong\u003e and \u003cstrong\u003eTE 250\u003c\/strong\u003e from 2014, and \u003cstrong\u003eBeta RR 250\u003c\/strong\u003e 2-stroke models from 2013–2015. ProX delivers a direct, cost-effective OEM alternative featuring Japanese precision and superior materials here. Ideal for riders looking to resolve wear, reduced compression or a worn-out engine, or to fully refresh their reliable 2-stroke bike for motocross, enduro, recreational use or racing. With this piston, you’ll have your engine running powerful, smooth and reliable once more – ready for the next season!\u003c\/p\u003e","brand":"Prox","offers":[{"title":"Default Title","offer_id":51322317930834,"sku":"01.6343.B","price":141.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/01.6343_a1929b1c-8551-4e22-9e0b-a9b24d524488.png?v=1777252628"},{"product_id":"prox-zuiger-maat-66-36-ktm-sx-250-05-exc-250-06-husqvarna-tc-250-14-te-250-14-beta-rr-250-2-takt-13-15","title":"Prox Piston Size 66,36 for KTM SX 250 05- \u0026 EXC 250 06- \u0026 Husqvarna TC 250 14- \u0026 TE 250 14- \u0026 Beta RR 250 2-Stroke 13-15","description":"","brand":"Prox","offers":[{"title":"Default Title","offer_id":51322317963602,"sku":"01.6343.C","price":141.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/01.6343.png?v=1779186246"},{"product_id":"prox-zuiger-maat-66-37-ktm-sx-250-05-exc-250-06-husqvarna-tc-250-14-te-250-14-beta-rr-250-2-takt-13-15","title":"Prox piston size 66,37 KTM SX 250 05- \u0026 EXC 250 06- \u0026 Husqvarna TC 250 14- \u0026 TE 250 14- \u0026 Beta RR 250 2-stroke 13-15","description":"\u003cp dir=\"auto\"\u003eUnlock new power and reliability for your 250cc 2-stroke with the \u003cstrong\u003eProX 66.37 mm Piston\u003c\/strong\u003e – the premium piston that fits perfectly on \u003cstrong\u003eKTM SX 250 (2005 and newer)\u003c\/strong\u003e, \u003cstrong\u003eKTM EXC 250 (2006 and newer)\u003c\/strong\u003e, \u003cstrong\u003eHusqvarna TC 250 (2014 and newer)\u003c\/strong\u003e, \u003cstrong\u003eHusqvarna TE 250 (2014 and newer)\u003c\/strong\u003e, and \u003cstrong\u003eBeta RR 250 2-stroke (2013–2015)\u003c\/strong\u003e!\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eProX pistons are crafted from premium forged aluminum with a special coating for excellent heat dissipation and minimal wear. 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Whether you’re performing a full overhaul after an intense race season, performing a mild overbore, or simply replacing it preventatively, this ProX piston will get your KTM, Husqvarna, or Beta 250 2-stroke back to top condition with that tight, powerful 2-stroke feel.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eWhy Riders Choose the ProX 66.37 mm Piston:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003ePremium forged aluminum with heat-resistant coating\u003c\/li\u003e\n\u003cli\u003ePrecise 66.37 mm size for a perfect fit\u003c\/li\u003e\n\u003cli\u003eComplete kit with rings, piston pin, and clips\u003c\/li\u003e\n\u003cli\u003eIncreased compression, improved throttle response, and cleaner combustion\u003c\/li\u003e\n\u003cli\u003eTrusted ProX quality at a competitive price\u003c\/li\u003e\n\u003cli\u003eFits KTM SX 250 05-, EXC 250 06-, Husqvarna TC\/TE 250 14-, and Beta RR 250 2-stroke 13–15\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Prox","offers":[{"title":"Default Title","offer_id":51322318127442,"sku":"01.6343.D","price":141.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/01.6343_4f0905e9-99a9-42e5-9f56-c07394fb6c96.png?v=1776246487"},{"product_id":"prox-zuiger-maat-53-95-met-enkele-zuigerveer-honda-cr-125r-04","title":"Prox Piston Size 53,95 with Single Piston Spring for Honda CR 125R 04","description":"","brand":"Prox","offers":[{"title":"Default Title","offer_id":51322319143250,"sku":"01.1222.B","price":122.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/01.1222_312815f9-d367-4af8-b3e2-58b01765032b.jpg?v=1774977488"},{"product_id":"prox-zuiger-46-98-met-enkele-zuigerveer-ktm-sx-85-03-husqvarna-tc-85-14","title":"Prox piston 46.98 (with single piston spring) KTM SX 85 03- \u0026 Husqvarna TC 85 14-","description":"\u003cp dir=\"auto\"\u003eThe \u003cstrong\u003eProX Piston 46.98 mm with single piston spring\u003c\/strong\u003e is the perfect high-performance piston for your KTM SX 85 or Husqvarna TC 85. This complete ProX Racing Parts kit delivers crisp power, reliable performance, and excellent durability – ideal for young motocross riders who want to go full throttle.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e \u003c\/p\u003e","brand":"Prox","offers":[{"title":"Default Title","offer_id":51322319274322,"sku":"JU-01.6105.D","price":83.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/01-6105-A-1.jpg?v=1773441398"},{"product_id":"prox-zuiger-46-96-met-enkele-zuigerveer-ktm-sx-85-03-husqvarna-tc-85-14","title":"Prox piston 46.96 (with single piston spring) for KTM SX 85 03- \u0026 Husqvarna TC 85 14-","description":"\u003cp dir=\"auto\"\u003eThe \u003cstrong\u003eProX Piston 46.96 mm with single piston spring\u003c\/strong\u003e is the ideal high-performance replacement for the KTM SX 85 (from 2003) and Husqvarna TC 85 (from 2014). This ProX Racing Parts piston kit was specially developed for young motocross riders and anyone who wants maximum reliability and performance from their 85cc 2-stroke engine.\u003c\/p\u003e\u003cp dir=\"auto\"\u003eThe piston has a bore of \u003cstrong\u003e46.96 mm\u003c\/strong\u003e (standard size A) and is supplied with \u003cstrong\u003eone single piston spring\u003c\/strong\u003e – exactly as original equipment on many 85cc models. ProX uses high-quality aluminum that is CNC-machined to strict racing specifications. Thanks to the special coating, the piston breaks in faster, has less wear, and ensures perfect lubrication, even under heavy load on the motocross track.\u003c\/p\u003e","brand":"Prox","offers":[{"title":"Default Title","offer_id":51322319438162,"sku":"JU-01.6105.B","price":83.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/01-6105-A-1_811c6ced-5d66-47db-8e52-6a5c7a97e7e1.jpg?v=1773441397"},{"product_id":"vertex-zuiger-53-96-met-dubbele-zuigerveer-ktm-sx-125-01-exc-125-07-16-husqvarna-tc-125-14-te-125-14-16","title":"Vertex Piston 53.96 (With Double Piston Spring) For KTM SX 125 01- \u0026 EXC 125 07-16 \u0026 Husqvarna TC 125 14- \u0026 TE 125 14-16","description":"","brand":"Vertex","offers":[{"title":"Default Title","offer_id":51322328777042,"sku":"JU-23928C","price":152.94,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/zuiger-vertex-2-zuigerveren-2_7c3237ed-4e6a-4a34-bb41-36232d495b82.jpg?v=1775846467"},{"product_id":"vertex-zuiger-53-95-met-dubbele-zuigerveer-ktm-sx-125-01-exc-125-07-16-husqvarna-tc-125-14-te-125-14-16","title":"Vertex Piston 53.95 (with Double Piston Spring) for KTM SX 125 01- \u0026 EXC 125 07-16 \u0026 Husqvarna TC 125 14- \u0026 TE 125 14-16","description":"\u003cp dir=\"auto\"\u003eGive your 125cc two-stroke new power and reliability with the \u003cstrong\u003eVertex 53.95 mm Piston with Dual Piston Rings\u003c\/strong\u003e – the high-performance piston that fits perfectly on \u003cstrong\u003eKTM SX 125 (2001 and newer)\u003c\/strong\u003e, \u003cstrong\u003eKTM EXC 125 (2007-2016)\u003c\/strong\u003e, \u003cstrong\u003eHusqvarna TC 125 (2014 and newer)\u003c\/strong\u003e, and \u003cstrong\u003eHusqvarna TE 125 (2014-2016)\u003c\/strong\u003e!\u003c\/p\u003e\u003cp dir=\"auto\"\u003eVertex has been a leading brand in the two-stroke industry for years, delivering race-grade pistons. This \u003cstrong\u003e53.95 mm\u003c\/strong\u003e piston (standard oversize) is crafted from high-quality forged aluminum with a special coating for optimal heat dissipation and minimal wear. The \u003cstrong\u003edual piston rings\u003c\/strong\u003e provide improved sealing, higher compression, and a longer service life – ideal for intense motocross use, training, or competitions.\u003c\/p\u003e\u003cp dir=\"auto\"\u003eThis piston includes the proper rings, wrist pins, and clips, and fits 100% plug-and-play into the original cylinder (or after a light honing). It delivers more power, sharper throttle response, and cleaner combustion compared to a worn factory piston. Whether you’re completing a new big-bore build or simply rebuilding your engine, this Vertex piston will restore your KTM or Husqvarna to top condition.\u003c\/p\u003e","brand":"Vertex","offers":[{"title":"Default Title","offer_id":51322328809810,"sku":"JU-23928B","price":152.94,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/zuiger-vertex-2-zuigerveren-2_18c8bf11-b05d-4a29-bcb1-b6a86dc5a060.jpg?v=1774977188"},{"product_id":"wossner-zuiger-met-dubbele-zuigerveren-honda-cr-250r-86-96","title":"Wössner Piston with Double Piston Rings for Honda CR 250R 86-96","description":"","brand":"Wössner","offers":[{"title":"F 67.94","offer_id":51322364625234,"sku":"8021D160","price":169.94,"currency_code":"EUR","in_stock":false},{"title":"C 66.36","offer_id":51358102159698,"sku":"JU-8021DC","price":169.94,"currency_code":"EUR","in_stock":true},{"title":"B 66.35","offer_id":51358102192466,"sku":"JU-8021DB","price":169.94,"currency_code":"EUR","in_stock":true},{"title":"A 66.34","offer_id":51358102225234,"sku":"JU-8021DA","price":169.94,"currency_code":"EUR","in_stock":false},{"title":"G 68.44","offer_id":51358102258002,"sku":"8021D210","price":169.94,"currency_code":"EUR","in_stock":false},{"title":"E 67.44","offer_id":51358102290770,"sku":"8021D110","price":169.94,"currency_code":"EUR","in_stock":false},{"title":"D 66.94","offer_id":51358102323538,"sku":"8021D060","price":169.94,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/8021d_f61e3009-0218-48fa-aa08-e683472ce960.jpg?v=1773442139"},{"product_id":"vertex-zuiger-met-enkele-zuigerveer-yamaha-yz-80-93-01","title":"Vertex Piston (Single Piston Spring) for Yamaha YZ 80 1993-2001","description":"","brand":"Vertex","offers":[{"title":"45,97","offer_id":51322424656210,"sku":"22443C","price":111.51,"currency_code":"EUR","in_stock":false},{"title":"45,98","offer_id":51358105436498,"sku":"22443D","price":111.51,"currency_code":"EUR","in_stock":true},{"title":"45,96","offer_id":51358105469266,"sku":"22443B","price":111.51,"currency_code":"EUR","in_stock":false},{"title":"45,95","offer_id":51358105502034,"sku":"22443A","price":111.51,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/23119_01aa377f-1776-401c-a7b3-35e461441075.jpg?v=1774975389"},{"product_id":"wiseco-zuiger-kawasaki-klx-110-2002-2022-dr-z-110-2003-2005-zuigermaat-53-50-lichte-krassen-aan-de-zijkant-van-de-zuiger-maar-nooit-gebruikt-zuiger-is-in-nieuwstaat","title":"Wiseco Piston for Kawasaki KLX 110 2002-2022 \u0026 DR-Z 110 2003-2005, Piston Size 53,50 (Light scratches on the piston’s sides, but never used — piston is in like-new condition)","description":"","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":51322465255762,"sku":"JU-W4875M05350","price":116.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/W4875M05350.jpg?v=1773441907"},{"product_id":"wossner-zuiger-met-enkele-zuigerveer-ktm-sx-65-09-husqvarna-tc-65-17","title":"Wössner Piston with Single Piston Spring for KTM SX 65 09- \u0026 Husqvarna TC 65 17-","description":"","brand":"Wössner","offers":[{"title":"44,96","offer_id":51322497630546,"sku":"8241DA","price":82.6,"currency_code":"EUR","in_stock":false},{"title":"44,98","offer_id":51358113202514,"sku":"JU-8241DC","price":82.6,"currency_code":"EUR","in_stock":true},{"title":"44,97","offer_id":51358113235282,"sku":"JU-8241DB","price":82.6,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/8241D.jpg?v=1774973469"},{"product_id":"wossner-zuiger-met-enkele-zuigerveer-ktm-sx-85-03-husqvarna-tc-85-14","title":"Wössner Piston with Single Piston Spring for KTM SX 85 03- \u0026 Husqvarna TC 85 14-","description":"","brand":"Wössner","offers":[{"title":"46,95","offer_id":51322497696082,"sku":"JU-8147DA","price":82.6,"currency_code":"EUR","in_stock":true},{"title":"46,97","offer_id":51358113595730,"sku":"JU-8147DC","price":82.6,"currency_code":"EUR","in_stock":true},{"title":"46,96","offer_id":51358113628498,"sku":"JU-8147DB","price":82.6,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/8147D.jpg?v=1774973469"},{"product_id":"wossner-zuiger-met-dubbele-zuigerveer-ktm-exc-300-tpi-18-husqvarna-te-300i-18-gas-gas-ec-300-21","title":"Wössner Piston (with Double Piston Spring) for KTM EXC 300 TPI 18- \u0026 SX 300 23- \u0026 Husqvarna TE 300i 18- \u0026 Gas Gas EC 300 21","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Wössner piston with dual piston spring is a high-quality replacement piston, designed for off-road riders who demand maximum reliability and consistent performance. Suitable for KTM EXC 300 TPI (2018 and later), SX 300 (2023 and later), Husqvarna TE 300i (2018 and later) and Gas Gas EC 300 (2021 and later).\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDual piston spring\u003c\/b\u003e: delivers improved sealing and stability under high load and RPM, helping to reduce piston slap and oil consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePremium finish and materials\u003c\/b\u003e: manufactured from high-quality aluminum alloy with precision machining for durable performance in harsh racing conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eComplete kit\u003c\/b\u003e: includes the piston, wrist pin, two piston rings and two circlips, so installation proceeds smoothly and all components fit perfectly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFuel and coolant resistant\u003c\/b\u003e: engineered to withstand temperature fluctuations and intense rides without sacrificing precision or sealing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWössner quality and reliability\u003c\/b\u003e: built with decades of performance and endurance experience; a choice known for consistency and long service life.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis piston delivers a tangible upgrade for riders seeking a reliable solution that maintains engine tuning while delivering higher performance. The combination of the dual piston spring and premium construction results in better sealing, reduced wear and quieter operation during long races or training days. Ideal for racers and enthusiastic amateurs looking to optimize their KTM, Husqvarna or Gas Gas engine without compromise.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wössner","offers":[{"title":"71,96","offer_id":51358638506322,"sku":"JU-8327DC","price":219.95,"currency_code":"EUR","in_stock":true},{"title":"71,95","offer_id":51358638539090,"sku":"JU-8327DB","price":219.95,"currency_code":"EUR","in_stock":true},{"title":"71,94","offer_id":51358638571858,"sku":"JU-8327DA","price":219.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/8304D.jpg?v=1774972151"},{"product_id":"vertex-zuiger-tm-mx-en-125-2010-2025","title":"Vertex Piston TM MX\/EN 125 2010-2025","description":"\u003cp dir=\"auto\"\u003eBring your \u003cstrong\u003eTM MX 125\u003c\/strong\u003e or \u003cstrong\u003eEN 125 (2010-2025)\u003c\/strong\u003e back to life with the \u003cstrong\u003eVertex Piston\u003c\/strong\u003e – the high-quality 2-stroke piston that fits perfectly on TM Racing MX\/EN 125 models from 2010 through 2025!\u003c\/p\u003e\u003cp dir=\"auto\"\u003eVertex is known worldwide for its race-proven pistons with excellent fit, durability, and performance. This \u003cstrong\u003ecast replica piston\u003c\/strong\u003e (typically in size 53.95 mm or 53.96 mm – depending on the desired bore) is made from high-quality aluminum with a special silicone alloy for minimal thermal expansion and optimal heat dissipation. It delivers better compression, cleaner combustion, and more reliable power, while significantly reducing wear on the cylinder wall and piston.\u003c\/p\u003e\u003cp dir=\"auto\"\u003eThe piston is supplied as a \u003cstrong\u003ecomplete kit\u003c\/strong\u003e including piston rings, piston pin, and clips – ready for immediate installation. Whether you're performing a full overhaul after an intense season, carrying out a light overbore, or simply replacing it preventatively: this Vertex piston will give your TM 125 back that tight, powerful, and reliable 2-stroke feel that TM Racing is famous for.\u003c\/p\u003e\u003cp dir=\"auto\"\u003eIdeal for both motocross (MX) and enduro (EN) use. The precise fit and high-quality finish make it a favorite among TM riders who refuse to compromise on quality.\u003c\/p\u003e\u003cp dir=\"auto\"\u003e \u003c\/p\u003e","brand":"Vertex","offers":[{"title":"53,97","offer_id":51613504602450,"sku":"mxp-23749D","price":129.95,"currency_code":"EUR","in_stock":false},{"title":"53,96","offer_id":51613505061202,"sku":"mxp-23749C","price":129.95,"currency_code":"EUR","in_stock":false},{"title":"53,95","offer_id":51613505159506,"sku":"23749B","price":169.94,"currency_code":"EUR","in_stock":false},{"title":"53,94","offer_id":51613505257810,"sku":"23749A","price":169.94,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/23749.png?v=1776237368"},{"product_id":"ktm-sx-85-husqvarn-tc-85-gasgas-mc-85-complete-vertex-top-end-kit-d-46-97-mm-2018-2026","title":"KTM SX 85 \/ HUSQVARN TC 85 \/ GASGAS MC 85 COMPLETE VERTEX TOP-END KIT D 46,97 MM 2018 -2026","description":"\u003cp dir=\"auto\"\u003eThe \u003cstrong\u003eKTM SX 85 \/ Husqvarna TC 85 \/ GasGas MC 85 Complete Vertex Top-End Kit Ø 46.97 mm 2018-2026\u003c\/strong\u003e is the perfect all-in-one solution for a full, reliable top-end rebuild of your 85cc 2-stroke engine. This complete Vertex top-end kit includes everything you need to restore your cylinder, piston, and cylinder head to peak condition—ideal for race riders, intensive training sessions, or when your engine is losing power, smoking, or lacking compression.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe kit consists of a high-quality Vertex piston (Ø 46.97 mm), matching piston rings, piston pin, circlips, a complete cylinder head with gaskets, and all necessary seals. Vertex is known worldwide for its premium-quality pistons that exactly meet the strict factory specifications of KTM, Husqvarna, and GasGas. The piston features a special coating to reduce friction, improve heat dissipation, and extend service life, while the precise tolerances ensure optimal compression and smooth operation.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThis kit fits perfectly on all KTM SX 85, Husqvarna TC 85, and GasGas MC 85 models from the 2018 through 2026 model years. With this complete top-end kit, you can install a fresh, powerful engine that delivers full power again and performs reliably, lap after lap.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eWhether you’re a young, talented rider who trains hard, or you want to get your own 85cc dirt bike roaring again: this Vertex Complete Top-End Kit is a smart, affordable, and high-quality upgrade that will make your engine feel like new again.\u003c\/p\u003e","brand":"Vertex","offers":[{"title":"Default Title","offer_id":52519477084498,"sku":"8VTK24212D-2","price":129.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/5d78d8a272aefc811cb5cb1a3637461b401df3e8.webp?v=1775842808"},{"product_id":"prox-piston-kit-ktm65sx-09-23-tc65-17-23-44-98mm-400-01-6029-c","title":"ProX Piston Kit KTM65SX '09-23 + TC65 '17-23 (44.98mm)","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe ProX Piston Kit KTM65SX '09-23 + TC65 '17-23 (44,98 mm) is a complete replacement set for off-road 2-stroke engines. Specially designed for KTM65SX and TC65 models, this kit delivers reliable performance at high RPMs and consistent sealing.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePiston size\u003c\/b\u003e: 44,98 mm piston diameter for precise compression and optimal performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompatibility\u003c\/b\u003e: Designed for KTM65SX ('09-'23) and TC65 ('17-'23).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eContents\u003c\/b\u003e: Includes piston, piston pin, 2 circlips and piston rings for a complete installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial and construction\u003c\/b\u003e: High-quality aluminum alloy, precision-manufactured for durability and reliable wear resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBrand and quality\u003c\/b\u003e: ProX Genuine Racing Parts – experienced supplier focused on racing performance and reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePart number\u003c\/b\u003e: 400-01-6029-C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCondition\u003c\/b\u003e: New.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStock\u003c\/b\u003e: 2 units in stock.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis piston kit offers tangible benefits for enthusiastic riders and racers: improved sealing and compression lead to better power transfer and responsiveness, especially at high RPM and long sprints. The full contents make replacement quick and error-free, so you can get back to the track faster with confidence in your engine. Thanks to its thoughtful construction and quality materials, the kit is suitable for intensive use in racing scenarios and daily training.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ProX","offers":[{"title":"Default Title","offer_id":52909460914514,"sku":"400-01-6029-C","price":54.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/01.6029.A-1_9d15e2c4-ced0-408e-b091-3b20dd440bee.jpg?v=1773441057"},{"product_id":"vertex-top-end-piston-kit-ktm-exc300-tpi-2018-23-71-945mm-405-vtk24244c","title":"Vertex Top End Piston Kit KTM EXC300 TPI 2018-23 71,945mm","description":"\u003cdiv\u003e\n\u003cp\u003eThe Vertex Top End Piston Kit for the KTM EXC300 TPI (2018–2023) is a complete upgrade designed for reliability, long-lasting performance, and easy installation for off-road riders. This kit includes everything you need for a professional top-end replacement, so your engine runs fresh and efficiently again during endurance trails and sprint enduros.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePiston Diameter\u003c\/b\u003e: Ø 71,945 mm, specifically tuned for the KTM EXC300 TPI (2018–2023) for a perfect seal and optimal compression.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eComplete Top End Kit\u003c\/b\u003e: includes the piston, piston skirts, pins, circlips, rings, and all necessary parts for a full assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGasket and Seal Kit\u003c\/b\u003e: comprehensive base and head gaskets, along with O-rings and seals for a reliable, leak-proof seal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality and Precision\u003c\/b\u003e: Vertex parts are known for high-quality craftsmanship and precision machined finishes for long service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSpecific Model Fitment\u003c\/b\u003e: designed for the KTM EXC300 TPI (2018–2023), so clearances and ratios align perfectly with your engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLike-New Reliability\u003c\/b\u003e: supplied as a brand-new product, ideal for anyone who takes maintenance intervals seriously and wants to restore their engine to like-new performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProduct Identification\u003c\/b\u003e: MP N 405-VTK24244C for easy reference and inventory management.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis top-end kit delivers consistent performance under heavy loads, with a reliable seal that minimizes the risk of oil or coolant leakage. It’s a smart choice for enduro and trail riders looking for a low-maintenance, durable solution that restores their engine to perform as intended. Thanks to the kit’s comprehensive contents, you can complete a professional top-end replacement without purchasing additional parts, so you can get back on the trails faster.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Vertex","offers":[{"title":"Default Title","offer_id":52910372651346,"sku":"405-VTK24244C","price":239.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/VTK24244B_1_Z_9de1e3da-607c-4df0-afa4-6aa089591f0b.jpg?v=1773442675"},{"product_id":"vertex-piston-kit-ktm-exc300-tpi-18-te300i-18-ec300-21-sx300-71-925mm-405-24244a","title":"Vertex Piston Kit KTM EXC300 TPI 18-.. TE300i 18-.. EC300 21-.. SX300 71,925mm","description":"","brand":"Vertex","offers":[{"title":"Default Title","offer_id":52910375043410,"sku":"405-24244A","price":200.34,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/24244B_f2ad7560-6282-4bff-a4fd-d0f8a727032f.jpg?v=1773442675"},{"product_id":"prox-complete-zuiger-44-97-mm-b-pin-12-mm","title":"ProX Complete Piston 44,97 mm B Pin 12 mm","description":"This lightweight and durable ProX piston is specially designed for optimal engine performance. It uses selected materials and advanced mechanical techniques. It fits perfectly across various KTM SX 65 models. Thanks to precise OEM specifications, it delivers reliable power. Installation is simple and the quality meets strict standards.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDiameter (D)\u003c\/strong\u003e: 44,97 mm\u003cbr\u003e\u003cstrong\u003ePin Diameter (d)\u003c\/strong\u003e: 12 mm\u003cbr\u003e\u003cstrong\u003eRing Included\u003c\/strong\u003e: Yes\u003cbr\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e: Aluminum\u003cbr\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.5 kg\u003cbr\u003e","brand":"Prox","offers":[{"title":"Default Title","offer_id":53413863293266,"sku":"01.6022.B","price":56.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/tlok-kompletny-prox-4497mm-selekcja-b-sworzen-12mm_1.webp?v=1778643909"},{"product_id":"prox-piston-kit-ktm-65-sx-2000-2008-c-44-98mm","title":"ProX Piston Kit for KTM 65 SX 2000-2008 C 44.98mm","description":"Replacement piston kit for the KTM 65 SX motorcycle, suitable for models from 2000 to 2008. This kit includes a size C piston (44.98 mm) and is supplied as a complete set. Manufactured by ProX, a renowned brand in motorcycle parts. The kit is specifically designed for this engine and guarantees a precise fit and reliable performance.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e: ProX\u003cbr\u003e\u003cstrong\u003eType\u003c\/strong\u003e: Piston Kit\u003cbr\u003e\u003cstrong\u003eUnit\u003c\/strong\u003e: Kit\u003cbr\u003e\u003cstrong\u003eSize\u003c\/strong\u003e: C\u003cbr\u003e\u003cstrong\u003ePiston Diameter\u003c\/strong\u003e: 44.98 mm\u003cbr\u003e\u003cstrong\u003eReferences\u003c\/strong\u003e: 01.6022.C, 46-20-611\u003cbr\u003e\u003cstrong\u003eDuell Product Code\u003c\/strong\u003e: 400-01-6022-C\u003cbr\u003e\u003cstrong\u003eEngine-Specific\u003c\/strong\u003e: Yes","brand":"ProX","offers":[{"title":"Default Title","offer_id":53413874762066,"sku":"215016022C","price":63.6,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/01-6022-a-1_2.jpg?v=1778643850"},{"product_id":"prox-zuiger-39-47mm-b-ktm-sx50-2009-2024-husqvarna-tc50-2017-2026-gasgas-mc50-2021-2024","title":"Prox Piston 39.47mm B KTM SX50 2009-2024 Husqvarna TC50 2017-2026 GasGas MC50 2021-2024","description":"Cast piston (cast piston) with dome head and Mos2 skirt coating, designed for motocross and enduro engines. Bore 39.50 mm, compression height 15.50 mm, pin diameter 12.00 mm. Included with piston rings (02.6012) and circlips (05.1210C). Direct OEM replacement for KTM SX50, Husqvarna TC50, GasGas MC50 and Yamaha YFM450FA. Suitable for demanding off-road use and provides reliable compression and durability.\nType: Cast (Cast)\nPiston head: Dome\nCoating: Mos2 Skirt Coating\nBore (standard): 39.50 mm\nPiston size: 39.47 mm (B)\nCompression height: 15.50 mm\nPin diameter: 12.00 mm\nBoss space: 15.80 mm\nOEM Reference: 452.30.007.000\nIncluded: Piston rings, circlips","brand":"Prox","offers":[{"title":"39.46mm = A","offer_id":53768670150994,"sku":"01.6019.A","price":57.41,"currency_code":"EUR","in_stock":true},{"title":"39.47mm = B","offer_id":53768670183762,"sku":"01.6019.B","price":57.41,"currency_code":"EUR","in_stock":true},{"title":"39.48mm = C","offer_id":53768670216530,"sku":"01.6019.C","price":57.41,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/01.6019.B-1_2nd.webp?v=1781677807"},{"product_id":"mxpro-duell-e30810005800001b","title":"Athena piston – S4C05800001B","description":"\u003cp\u003eAthena piston. Version S4C05800001B.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Athena\u003c\/li\u003e\n\u003cli\u003ePart: Piston\u003c\/li\u003e\n\u003cli\u003eManufacturer number: S4C05800001B\u003c\/li\u003e\n\u003cli\u003eArticle number: 420-0580-0001B\u003c\/li\u003e\n\u003cli\u003eEAN: 8050444893753\u003c\/li\u003e\n\u003cli\u003eVersion: ATHENA Piston Kit Big Bore Kit for 144cc (58mm) YZ125 05-08\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eVehicle applications\u003c\/h2\u003e\u003cp\u003eCheck brand, model, year of manufacture, and the specified version or mounting condition.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eVersion \/ mounting condition\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eYAMAHA\u003c\/td\u003e\n\u003ctd\u003eYZ125\u003c\/td\u003e\n\u003ctd\u003e1997–2021\u003c\/td\u003e\n\u003ctd\u003eBigBore144cc\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":54852909924690,"sku":"420-0580-0001B","price":134.96,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/6139841b556352ad48fcc7b8450561f290ca4b67_S4F05400015A.main.jpg?v=1790694609"},{"product_id":"mxpro-duell-e30810005800002b","title":"ATHENA Piston Kit Big Bore Kit For 144cc (58mm) KX125 03-07","description":"\u003cp\u003eAthena piston. 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Any depicted vehicle, seat, or other mounting accessories are not included unless explicitly stated in the article description.\u003c\/p\u003e\u003ch2\u003eVehicle Applications\u003c\/h2\u003e\u003cp\u003eCheck brand, model, year of manufacture, and the specified version or mounting condition.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eVersion \/ mounting condition\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eKAWASAKI\u003c\/td\u003e\n\u003ctd\u003eKX125\u003c\/td\u003e\n\u003ctd\u003e2003–2007\u003c\/td\u003e\n\u003ctd\u003eBig Bore 144cc\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":54852909957458,"sku":"420-0580-0002B","price":134.96,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/1791\/9826\/files\/9e7e8bcdf5b28a7f5430a4084790f0066a227676_46_40_4403.jpg?v=1790829548"},{"product_id":"mxpro-duell-e30810008000004a","title":"ATHENA Big Bore Piston Kit up to 290cc (80mm) for SX-F250 06-10","description":"\u003cp\u003eAthena zuiger. 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