Replica 883cc 3 Piston Set.010 Oversize - V-Twin 11-2731 - Evolution Sportster 1986-2003

Replica 3 inch bore piston set has a 9:1 compression ratio and is.010 oversize. Set includes a piston ring set 2 wrist pins and 4 circlips. Pistons have a steel expansion control strut cast.

**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: