129" Power Package Engine Performance Kit

129" Power Package Engine Performance Kit

Transform 107" oil-cooled M8 into 129" with no case machining required

Big bore cylinders come with matching cam, cam plate and oil pump

Independent scavenge sections for flywheel cavity and cam chest

Magnet in cam chest to help prevent debris from entering oil pump

Feature high-performance conical single-wire S&S valve springs

Original engine serial numbers are retained

Passage plugs are removable for servicing

Debris screen in both scavenge pickups

MLS (multi-layered steel) head gaskets

Performance matched 550 cam

Works with stock crankcase

Made in the USA