Honda XR/CRF50 Standard Comp Piston Kit - Wiseco clearance XNBR* Carboxylated nitrile rubber is

XNBR* Carboxylated nitrile rubber is an improved version of NBR* type rubber

Supplied as a complete assembly with wiring and pickup

The shock mount also offsets the shock to still allow use of the OEM battery box (trimming of the fender and batterybox is required)

Fast Shine - Silicone Polish - 350 grm

Honda XR/CRF50 Standard Comp Piston Kit - Wiseco clearance XNBR* Carboxylated nitrile rubber isHonda XR CRF50 Standard Comp Piston Kit Wiseco Restore your engine with the legendary reliability of a Wiseco forged piston. This Standard Compression Piston Kit features a 39mm bore, matching the OEM piston size, making it the ideal choice for engine rebuilds where you want to retain the factory displacement and compression ratio. Manufactured from high strength forged aluminium, Wiseco pistons are stronger and more durable than cast OEM pistons,