VT#: 11-9861
Wiseco piston set is .047 oversize and has a compression ratio of 9:1. Set comes with XC rings. Pistons are forged from a high silicone alloy. Kit includes 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® 1988-UP