- Big bore bolt-on kit increases 107″ M8 to 129″ with no case machining required
- Big bore 4.320″ cylinder with 11.0:1 forged pistons
- S&S oil pump/cam plate
- 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 pushrod tubes
- S&S premium tappets
- S&S hard anodized, black coated tappet cuffs are billet aluminum construction
- S&S valve springs; work with cams up to 0.605″ lift
- High performance conical single wire spring design
- HPT496 cam designed for big bore applications
- MLS (multi-layered steel) head gasket
- Includes 129 cam cover badge
- Made in the USA
- Retains stock engine height.
- Works with stock crankcases.
- Works with the stock and S&S roller rocker arms.
- Original engine serial numbers are retained.
- Compatible with the stock valve springs, both first generation (round port) and second generation (oval port).
Engine
129″ Power Package – HPT496 – Chain Drive – Oil Cooled – Black w/o Highlights – 107″ M8
$3,294.95
129″ Power Package – HPT496 – Chain Drive – Oil Cooled – Black w/o Highlights – 107″ M8
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