Sifton piston kit includes reverse domed pistons and Hasting rings.
XL 1986 - 2017 Notes:
Piston set has a 9.5:1 compression. Piston to cylinder wall clearance is .0015 minimum to .0022 maximum with .002 preferred. No head work is necessary on this Big Bore kit. **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.Part Number: 11-1680Manufacturer: V-TWIN MANUFACTURINGOEM Cross Reference:
Height: 5 Length: 8 Width: 4Weight: 1*All measurements are displayed in inches and pounds.