4-1/4in.stroke, 8-1/2in.diameter These flywheels are the exact same parts used in S&S production engines Use them to overhaul an S&S engine or to build a custom engine using similar crankcases and pistons Balanced to 80in. or 88in. pistons
*Images in the listing are for reference only. Actual product may vary.
*Tinted shield sold separately for all Full-Face helmets unless otherwise noted.
- Brand: S&S Cycle
- 4-1/4in.stroke, 8-1/2in.diameter
- These flywheels are the exact same parts used in S&S production engines
- Use them to overhaul an S&S engine or to build a custom engine using similar crankcases and pistons
- Balanced to 80in. or 88in. pistons