11-9945 - 883cc Conversion Standard 8.5:1 Piston Kit

Wiseco piston set is standard size and is for a 3-1/2 inch bore. Piston set has a compression of 8.5:1 and includes rings. **Note: Run engine at moderate speeds for at least 500 miles avoiding excessive running in lower gears in order to properly break-in new pistons and rings.