Namura Forged Piston Kit for 2003-14 Yamaha WR450F - 94.97mm - FX-40045-C feed-mpn-N20608 Cobra 4 1/2-inch Bullet Spotlight

Cobra 4 1/2-inch Bullet Spotlight

Designed to Meet the Demands of the Most Aggressive 4x4 Riding Terrain

2000-02 YAMAHA YZ426F

End Caps and All Stainless hardware included

Part Number: 821676

Namura Forged Piston Kit for 2003-14 Yamaha WR450F - 94.97mm - FX-40045-C feed-mpn-N20608 Cobra 4 1/2-inch Bullet SpotlightNamura 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.