Description
The S&S Cycle M8 910-0681 Big Bore kit delivers straightforward displacement increases without the complexity of case splitting or cylinder boring. If you’re running stock M8 heads and want measurable power gains with minimal machine work, this is your bolt-on solution. Installation is manageable for a skilled technician, making it an accessible upgrade path for serious riders who want proven results.
- Big Bore displacement increase
- Premium aluminum castings
- Cast-in iron liners
- No case splitting required
- Bolt-on cylinder swap
- Includes pistons, rings, gaskets
- Head, base, exhaust gaskets
- Black or silver powder coat
- U.S.A. manufactured
- Compatible with stock M8 heads
- Skilled technician assembly required
- MPN: 9100681
