Bolt-on kitUpdated finsNo case machining requiredForged pistonsMade in the USAIncludes oil pump/cam plate, pushrods, tappets, tappet cuffs, 550 camshaft, valve springsOil Pump/Cam Plate:Precision machined from billet aluminumPassage plugs removable for servicingIndependent scavenge sections for flywheel cavity and camchestDebris screens in both scavenge pickupsMagnet in camchest to help to stop debris from entering oil pump44% flow increase on supply side and 58% flow increase on scavenge sidePressure relief valve is adjustable with unit installed in enginePushrods:Quickee pushrodsTappets:S&S premium tappets with hard anodized, billet aluminum, black coated tappet cuffsTappet stability in high lift and high rpm sitiuationsCamshaft:S&S 550 camshaft Valve Springs:Works well with camshafts up to 0.605'' liftIncludes top collars, keepers, valve seals and bottom collarsWill fit VVT models.