CP-Carrillo CPKX1P26R Project X Piston Kit
CP-Carrillo CPKX1P26R Project X Piston Kit
The CP-Carrillo CPKX1P26R Project X Piston Kit is engineered for the 2009–2012 Yamaha YZ450F, delivering premium race-proven performance for motocross and off-road competition. Manufactured in the USA using 2618 forged aluminium, the innovative Project X piston features a fully boxed forging with advanced internal bracing to minimise friction, reduce weight and maximise strength. The kit is designed around the 95.00mm standard bore with a 13.5:1 compression ratio, providing outstanding throttle response and durability for demanding high-performance applications. :contentReference[oaicite:0]{index=0}
The complete kit includes the forged Project X piston, premium DLC-coated wrist pin, piston rings, wire locks and top-end gasket, providing everything required for a professional-quality rebuild. The Project X design utilises a shorter wrist pin and optimised forging geometry to reduce reciprocating weight while maintaining exceptional strength, making it ideal for serious racers and performance enthusiasts. :contentReference[oaicite:1]{index=1}
Features
Genuine CP-Carrillo CPKX1P26R Project X piston kit
Fits Yamaha YZ450F 2009–2012
95.00mm standard bore
13.5:1 compression ratio
USA manufactured 2618 forged aluminium piston
Project X fully boxed piston design for maximum strength
Low-friction, lightweight forging with optimised internal bracing
Premium DLC-coated wrist pin included
Includes piston rings, wire locks and top-end gasket
Designed for high-performance motocross and off-road applications
Excellent durability, throttle response and engine efficiency
Complete kit for professional engine rebuilds
Designed for riders demanding maximum performance and reliability, the CP-Carrillo CPKX1P26R Project X Piston Kit delivers exceptional strength, reduced reciprocating mass and race-winning durability for competitive motocross and off-road engines. :contentReference[oaicite:2]{index=2}
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