PISTON KIT 89mm 440cc BIG BORE, NAMURA NA-10004 TRX400 99-07

Part No. 56-K111_P (oro2u.com)
HONDA TRX 400EX 1999-2008,
HONDA TRX 400X 2009-0014,
HONAD XR 400R 1996-2004,
Namura Big Bore Piston Kit 440cc NA-10004,

Kit includes Piston, Rings, Pin, Clips (you get exactly what is pictured) Cast piston has super-high silicone content for additional strength Piston skirts are Molybdenium Teflon coated to minimize resistance/wear and provide extended life Piston dome is anodized for superior heat resistance and longer lifespan

Compression Ratio is 11:1 Kit is for big bore size – 89.00mm