The Cylinder Works Standard Bore High-Compression Cylinder Kit is designed for 09-12 CRF 450 R. It retains the standard bore while using a higher-compression piston configuration for increased performance.
The Cylinder Works Standard Bore High-Compression Cylinder Kit is designed for 09-12 CRF 450 R. It retains the standard bore while using a higher-compression piston configuration for increased performance.