11-9903 - Forged Standard 9.25:1 Piston Kit

Wiseco 88 inch Big Bore flat top piston kit is standard size. Piston kit has a compression of 9.25:1. Forged pistons include rings head and base gaskets. **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.