Power Pack - 4.375" Stroke - Oil Cooled - Black Granite w/Highlights - M8

Bolt-on kit With updated fins No case machining required Forged pistons Made in the USA Includes oil pump/cam plate, pushrods, tappets, tappet cuffs, 550 camshaft, valve springs Precision machined from billet aluminum Passage plugs removable for servicing Independent scavenge sections for flywheel cavity and camchest Debris screens in both scavenge pickups Magnet in camchest to help to stop debris from entering oil pump 44% flow increase on supply side and 58% flow increase on scavenge side Pressure relief valve is adjustable with unit installed in engine Quickee pushrods Hand assembled to exacting tolerances Reduced valve train noise from start up to shut down Close tolerances for low leak down rates Hard anodized black coating Billet aluminum construction Tappet stability in high lift and high rpm sitiuations S&S 550 camshaft - designed for big bore applications Works well with camshafts up to 0.605" lift High performance conical single wire spring Includes top collars, keepers, valve seals and bottom collars