74 Overhead Valve 3-7/16" Piston Set Standard Size - V-Twin 11-2771

3-7/16 inch bore piston set has a 7.5:1 compression ratio and is standard size. Piston set includes piston rings set 2 wrist pins and 4 circlips. Pistons have a steel expansion control strut set.

**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. Bore size is 3.4380 inch-3.4385 inch inner diameter.

Fitment: