Namura Forged Piston Kit for 2003-14 Yamaha WR450F - 94.95mm - FX-40045-B feed-mpn-102296 Our ESG742 stator offers a

Our ESG742 stator offers a flat output across the RPM range and it also runs much cooler than the stock stator

(1) Piston Ring set (2 Rings)

2- #28 Hose Clamps

04mm Cylinder Stroke Volume Final Engine Displacement California Emissions FALSE Product Disclaimer You MUST measure the size of your cylinder BEFORE ORDERING

we always recommend taking it to a certified mechanic for installation Fitment Note When you put an aftermarket higher-flowing exhaust on a vehicle

Namura Forged Piston Kit for 2003-14 Yamaha WR450F - 94.95mm - FX-40045-B feed-mpn-102296 Our ESG742 stator offers aNamura Forged Piston Kit Namura Forged pistons offer dyno proven gains in performance and durability over industry standard 4032 forged pistons. Namura's exclusive forged alloy offers lower expansion rates, allowing for tighter build tolerances and superior tensile and yield strength at operating temperatures. Hard anodized domes for reduced carbon build up and heat resistance and M0S2 coated skirts for excellent break in protection and properties.