- Big-bore bolt-on kit increases 107″ M8 to 129″ with no case machining required
- 4.32″ bore cylinders with 11.0:1 compression ratio 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
- S&S premium tappets
- S&S hard-anodized, black coated tappet cuffs are billet aluminum construction
- S&S 550 cams are designed for big bore applications
- S&S valve springs work with cams up to 0.605″ lift
- High-performance conical single wire spring design
- All necessary gaskets, bearings and hardware for bolt on installation included
- Made in the USA
- Not for any Trike models.
Engine
129″ Power Pack – 550 Gear Drive – Oil Cooled – Wrinkle Black w/o Highlight Fins – 107″ M8
$3,497.95
129″ Power Pack – 550 Gear Drive – Oil Cooled – Wrinkle Black w/o Highlight Fins – 107″ M8
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