Sifton piston set is standard size for a 3-5/8 Big Bore. Has a 9.75:1 compression 3-5/8 bore with a 4-1/2 stroke flywheel. **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
TECH NOTES
ACCESSORY ITEMS
REPLACEMENT PARTS
Tech Notes
Suggested to use with #12-0949 Piston Wrist Pin Lock.