VT#: 11-0430
Replica piston set has a 3-3/16" bore and is .070 oversize . Set has a compression ratio of 8.4:1 and includes Hasting 3 piece ring set, 2 wrist pins and 4 circlips.
**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.
XL Sportster® 1972-1985