74 Overhead Valve Piston Set.030 Oversize - V-Twin 11-0310

Piston set 3-7/16 inch bore.030 oversize with compression ratio of 7.5:1. Set includes Hasting 3 piece rings 2 wrist pins and 4 circlips. Pistons have a steel expansion control strut.

**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.

Fitment:

Installation instructions (PDF)