Wiseco Pistons 4979M09600 High-Performance Piston Kit for Honda CRF450R 13:1 Compression

The Wiseco 4979M09600 high-performance piston kit is engineered specifically for 2009-2011 Honda CRF450R motorcycles, delivering a significant boost in power with its 13:1 compression ratio and domed piston design. This premium four-valve piston (4VP) configuration is precision-crafted to maximize combustion efficiency and extract every ounce of horsepower from your CRF450R engine.

Key Features:

• Forged from high-silicon aluminum alloy for exceptional strength, heat dissipation, and durability under extreme racing conditions
• Domed piston crown design increases compression ratio to 13:1 for enhanced power output and throttle response
• Advanced forging process creates optimal piston skirt geometry for reduced friction and maximum horsepower gains
• 96.00mm bore size designed specifically for Honda CRF450R applications
• Complete kit includes piston, rings, wrist pin, and circlips—everything needed for installation
• ArmorGlide skirt coating reduces friction and wear during break-in and throughout the piston's service life

Wiseco pistons are the choice of professional motocross and off-road racers worldwide, trusted for their consistent performance and reliability in the most demanding conditions. This piston kit maintains OEM bore size and is a direct replacement for stock pistons. Note that oversize applications require professional cylinder boring and honing.