Prox Piston Size 66.35 Fits KTM SX 250 05-, EXC 250 06-, Husqvarna TC 250 14-, TE 250 14- & Beta RR 250 2-Stroke 13-15

Discover the high-quality ProX Piston in size 66.35 mm (Dimension B) as the perfect replacement or upgrade for your 250cc 2-stroke engine. This complete piston kit is specially developed for the KTM SX 250 from 2005, EXC 250 from 2006, Husqvarna TC 250 and TE 250 from 2014, and Beta RR 250 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!