11-2758 - Replica 74 inch Overhead Valve 3-7/16 inch Piston Set .020 O

Replica style 3-7/16 inch bore piston set has a 8.5:1 compression ratio and is .020 oversize. Piston set includes piston ring set 2 wrist pins and 4 circlips. Pistons have a steel expansion control strut cast. **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.