11-9834 - Forged .040 8.5:1 Compression Piston Kit

Wiseco 80 inch Evolution flat top piston kit is .040 oversize. Piston kit has a compression of 8.5:1 compression 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.