3-5/16 Piston Kit.080 Oversize - V-Twin 11-0439

Piston set with 3-5/16 inch bore is.080 oversize. Set includes Hasting 3 piece ring set 2 wrist pins and 4 circlips. Pistons have a steel expansion control strut case.

**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)