All parts in each kit are matched to ensure superior quality, fit, finish and performance, Oil pump and cam plate are precision-machined from billet aluminum with a blue anodized finish, Passage plugs removable for servicing, Independent scavenge sections for the flywheel cavity and cam chest, Debris screens in both scavenge pickups, Increased oil flow capacity on both the feed and scavenge sides, Adjustable Pressure Relief Valve is adjustable with unit installed in engine, Magnet in cam chest to help to stop debris from entering oil pump, S&S Quickee Pushrods with finished pushrod tubes, S&S premium tappets, Billet aluminum tappet cuffs have a hard-anodized black coating and are stronger than stock to eliminate distortion, Improved tappet stability in high-lift and high-rpm situations, Provides improved cam timing accuracy and eliminates the stock cam chain tensioner, Includes outer drive gears, all gaskets, bearings, and hardware required for a complete installation, Made in the USA