Kits includes oil pump, standard or universal cover, mounting bolts, supply and return gears, drive shaft with keys and snap rings, check ball and spring, pressure relief valve and spring, check ball and release valve cover screws with O-rings, breather gear, drive gear, shim kit, miscellaneous hose fittings, plugs, screws and gaskets. Standard covers feature top and bottom feeds, universal covers have a number of oil feed and return options, allowing maximum flexibility for customized applications. Pump features a smoother design and pressure relief towers that are .300" shorter than the OEM oil pump. Accept 3/8" rubber oil lines. Made in the U.S.A..