With black pushrod covers. Chain drive. The chain drive is the stock-like system. Works more quiet. Includes S&S 907796 high end cam chain tensioner kit. Complete oil pump; oil pump/cam support plate; pushrod; tappets tappet cuffs and 475 performance cam kit. Pump and support plate are a direct replacement for stock components. Blue anodized finished and precision machined from billet aluminum. Cam plate comes with bronze bushings and steel ''wear plate'' so plate body is protected from steel oil pump rotors; the passage plugs are removable for servicing. The oil pump comes with independent scavenge sections for flywheel cavity and cam chest; with debris screens in both scavenge pickups and a magnet in the cam chest to further help catch debris before it enters the pump. Oil flow on both feed and scavenge side is increased. The pressure relief valve is adjustable and can be adjusted with the pump in engine.Pushrods are ''Quickee''; allowing installation without head removal and comes complete with a gloss black pushrod cover kit. Tappets are S&S precision and include S&S billet aluminum tappet cuffs. The included S&S 475 cam is bolt-in and offers up to 100 horsepower. Oil Pump/Cam Plate: - Precision Machined from Billet Aluminum - Blue Anodized Finish - Passage Plugs Removeable for servicing - Independant Scavenge Sections for Flywheel Cavity and Cam Chest - Debris Screens in both scavenge pickups - Magnet in Cam Chest to help to stop debris from entering oil pump - I