FourWerx offering CP Pistons:
High performance and racing Honda piston kits are available from CP Pistons for all model years of the TRX450R four stroke ATV's. Standard bore size and big bore TRX450R CP Pistons as well as high compression TRX450R Honda ATV piston kits are all available here. These forged pistons will work with oversize valves as well as high lift camshafts as they include oversize valve reliefs. They incorporate a "X" style forging for greater strength, durability and reduced weight. Along with the full radius dome designs, high performance piston rings and lightweight piston pins, these pistons offer the highest quality and are engineered for maximum power output.
2004 - 2005 Honda TRX450R CP Piston Kit
94mm Standard Bore 11.0:1 ratio / 12.0:1 ratio / 13.0:1 ratio
94mm Standard Bore Race Piston 13.5:1 ratio
2006 - 2008 Honda TRX450R CP Piston Kit
96mm Standard Bore 12.5:1 ratio / 13.0:1 ratio / 13.5:1 ratio
96mm Standard Bore Race Piston 14.1:1 ratio
All large bore pistons and other model pistons available as well. Pm me for pricing on the piston that you are looking at. I also have Cosmetic Gasket Kits available.
Thank you, Jay @ FourWerx