Description
If you’re serious about big-inch performance on your M8, this S&S Power Pack delivers the displacement and reliability required for consistent high-RPM operation. The 114″ to 128″ big bore kit, paired with a precision-engineered oil pump and billet aluminum components, ensures optimal cooling and lubrication under sustained load. Whether you’re building for the track or the street, this complete system eliminates guesswork and delivers measurable gains in power delivery.
- 4.250″ bore diameter
- 114″ to 128″ displacement
- Forged pistons, 11.1:1 compression
- Black granite finish
- Highlighted cooling fins
- No case machining required
- Billet aluminum oil pump
- Blue anodized finish
- Independent scavenge sections
- Dual debris screens
- Cam chest magnetic debris trap
- Increased flow capacity
- Adjustable pressure relief valve
- In-engine valve adjustment
- S&S precision tappets
- Quickee pushrods included
- Chrome pushrod tubes
- Hard anodized tappet cuffs
- Oil-cooled design
- Removable passage plugs
- M8 platform fitment
- MPN: 3101106A
