Description
S&S CYCLE 128″ Power Package Engine Performance Kit
- Big-bore bolt-on kit increases 114″/117″ with 4-1/2″ stroke M-Eight with no case machining required
- 4-1/4″ bore cylinders with 11:1 forged pistons
- S&S oil pump/cam plate with blue anodized finish
- Passage plugs are removable for servicing
- Independent scavenge sections for flywheel cavity and cam chest
- Debris screen in both scavenge pickups
- Magnet in cam chest to help prevent debris from entering the oil pump
- Increased oil flow capacity on both the oil feed and scavenge side
- Adjustable pressure relief valve can be adjusted with the unit installed in the engine
- Quickee pushrods with chrome pushrod tubes
- S&S premium tappets
- S&S hard-anodized, black coated tappet cuffs are billet aluminum construction
- Improve tappet stability in high-lift, high-rpm situations
- S&S 550 cams designed for big bore applications
- S&S valve springs work with cams up to .605″ lift
- High-performance conical single-wire spring design
- All necessary gaskets, bearings, and hardware for bolt-on installation is included
- Made in the U.S.A.
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