Prox piston 46.96 (with single piston spring) for KTM SX 85 03- & Husqvarna TC 85 14-

The ProX Piston 46.96 mm with single piston spring 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.

The piston has a bore of 46.96 mm (standard size A) and is supplied with one single piston spring – 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.