61 Overhead Valve 3-5/16" Piston Set Standard Size - V-Twin 11-0426

Piston set with 3-5/16 inch bore is standard size. Set includes Hasting 3 piece ring set 2 wrist pins and 4 circlips. Pistons have a steel expansion control strut cast in for all 61 inch pistons.

**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)