Namura Piston Kit for 1999-20 Yamaha YZ250 models - 66.36mm - NX-40025-B MPN_40021M08500 1998 KTM 300 SX

1998 KTM 300 SX

Fits: 2008-09 Honda CRF250R

2008 Kawasaki KVF650E Brute Force 4x4 Camo

The ESR390 was designed as a modern regulator/rectifier to be used as a replacement for the Yamaha XZ550 Vision OEM regulator

150 Fitment Type Model-Size Specific Fitment Use Type Aftermarket Replaceent Unit Sale Qty Kit Style Oversized Bore Piston Kit Position Material Finish Piston/Cylinder Size 90

Namura Piston Kit for 1999-20 Yamaha YZ250 models - 66.36mm - NX-40025-B MPN_40021M08500 1998 KTM 300 SXNamura Technologies Piston Kit Namura gives you a higher performance piston without the higher price MOS2 Coated Skirts increase heat transfer and reduce friction to eliminate cold seizures. Higher silicon content reduces expansion rates and increaseswear resistance. Machined Smooth Heads Reflect combustion heat and reduces carbon buildup. Namura piston kits come with the piston, a set of OEM quality rings, a wrist pin, and circlips. Why replace your