HARLEY 883cc to 1200cc Conversion Piston Set .005 Oversize Fits 1986-UP XL,

Moly coated piston set includes rings wrist pins and circlips. Reverse dome piston kit requires cylinder boring. Piston set is .005 over sized and has a 9.5:1 compression. **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. FITS HARLEY: 1986-UP XL,