Description
If you’re serious about extracting maximum displacement and reliability from your M8, the S&S Cycle Power Pack delivers a straightforward path to 128 cubic inches with zero guesswork. This kit combines a precision-engineered big bore with a completely redesigned oiling system that eliminates common failure points—giving you the confidence to push hard without compromise. Whether you’re building a street cruiser or prepping for sustained high-RPM performance, this is the foundation that separates professional builds from amateur guesswork.
KEY SPECIFICATIONS:
- 114–128″ displacement
- 4.250″ bore diameter
- Forged pistons included
- 11.1:1 compression ratio
- Black Granite finish
- Highlighted fins design
- No case machining required
- Billet aluminum oil pump
- Blue anodized finish
- Dual independent scavenge sections
- Debris screens both pickups
- Magnetic cam chest protection
- Adjustable pressure relief valve
- Increased flow capacity
- Quickee pushrods included
- Chrome pushrod tubes
- S&S precision tappets
- Hard anodized tappet cuffs
- MPN: 310-1102A
- Water-cooled design
- Bolt-on installation
