Description
If you’re serious about big-inch performance on your M8, this S&S Power Package delivers the displacement and reliability to back it up. The 124″ big bore kit combines forged internals with an advanced oil cooling system engineered to handle sustained high-RPM operation without compromise. You get bolt-on convenience with zero case machining—real performance without the fabrication headaches.
- 107″ to 124″ displacement
- 4.250″ bore diameter
- Forged pistons included
- 10.5:1 compression ratio
- Billet aluminum oil pump
- Blue anodized pump finish
- Gear drive equipped
- Oil-cooled design
- Independent scavenge sections
- Increased flow capacity
- Adjustable relief valve
- Serviceable passage plugs
- Debris screens standard
- Magnetic cam chest protection
- S&S Quickee pushrods
- Gloss black pushrod tubes
- Precision S&S tappets
- Hard anodized tappet cuffs
- Winkle black finish
- Highlighted fin detailing
- Bolt-on installation
- No case machining required
- MPN: 310-1058A
