Manufactured by Namura
Namura FORGED Series piston
Kit includes Piston, Rings, Top End Gasket Kit, Pin, & Clips (you get exactly what is pictured)
Unique Features: Namura Forged Pistons offer dyno-proven gains in performance and durability over industry standard 4032 forged pistons. Namura's exclusive forged alloy used offers lower expansion rates, allowing for tighter build tolerances and superior tensile strength at operating temperatures.
All Namura Forged pistons come with Namura's signature features: 100% CNC-machine piston domes, hard anodized domes for reduced carbon build-up and heat resistance and M0S2 coated skirts for excellent break-in protection and properties.
Includes all gaskets pictured to rebuild top end
Kit is for standard bore size - 95.00mm
Size A piston is 94.95mm
12.5:1 Compression Ratio
Made in Taiwan
 
Namura - Forged Top End Repair Kit Standard Bore - FX-40045K
Fits:
	
2003 Yamaha WR450F
	
2003 Yamaha YZ450F
	
2004 Yamaha WR450F
	
2004 Yamaha YZ450F
	
2005 Yamaha WR450F
	
2005 Yamaha YZ450F
	
2006 Yamaha WR450F