Carrillo M2009 High-Performance Piston Kit for Honda CRF450R

The Carrillo M2009 is a high-performance forged piston kit engineered specifically for 2002-2008 Honda CRF450R motocross bikes. This complete piston kit delivers race-proven reliability and power for both serious competitors and performance enthusiasts looking to rebuild or upgrade their CRF450R engine.

Key Specifications:

• 96mm standard bore diameter
• 12.5:1 compression ratio
• 449cc displacement (with 62.1mm stroke)
• Forged from high-strength 2618 aluminum alloy
• Manufactured in the USA at CP-Carrillo's California facility

Complete Kit Includes:

• Forged piston (M2009)
• Piston rings (CPN2-2-3779)
• Wrist pin (W748-2000-15CP1C)
• Pin locks (748x050 SWL)
• Top-end gasket (C3047)

CP-Carrillo pistons are precision-machined using state-of-the-art CNC equipment and undergo rigorous multi-level quality inspection processes. Each piston features optimized valve reliefs, skirt profiles engineered for reduced friction and increased durability, and precise ring groove dimensions for optimal seal and longevity. The 12.5:1 compression ratio provides an excellent balance of power and reliability for competitive racing or aggressive trail riding.

Compatible with Carrillo connecting rod #8820. This piston kit is designed as a direct replacement for the factory piston and requires no modifications for installation.