129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8
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