74 Overhead Valve Piston Set .040 Oversize for Harley Shovelhead

Description

Piston set 3-7/16" bore .040 over size 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."