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01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 07-046 Replacement gasket kits 234917 Fits 1973 thru 1991 Shovelhead and Evolution Big Twins 750033 Fits 1992 thru 1999 Evolution Big Twin Fits 1992 thru 1999 Evolution Big Twins 720493 Oil pump assembly, early style cover with top feed and return 720494 Oil pump assembly, late style cover with bottom feed & return Fits 1973-1991 Shovelhead and Evolution Big Twins 720495 Oil pump assembly with early style cover 720496 Oil pump assembly with late style cover JIMS "FLOW PRO 1" OIL PUMPS FOR BIG TWINS JIMS created the new "Flow Pro 1" Billet oil pump to increase scavenge oil return volume over stock pumps. Jims uses billet 6061-T651 aluminum for the housings and matched feed and return gears. All parts are CNC machined to exact tolerances. Jims claims an increase pump flow by 18% and return volume by over 20%. Each "Flow Pro 1" pump uses pump gears individually matched to each body to maximize feed and scavenge flow. These precision pumps supercede any stock or aftermarket pump and are used by top engine builders. OIL PUMP COVER FOR BIG TWIN BELTDRIVE These show-chromed pump covers will work with all aluminum oil pumps 1974 thru 1982 (OEM26242-84). 231985 Pump cover, chrome for belt-drive Gasket and rebuild kits 750302 Gasket rebuild kit for 1984-1991 HVHP oil pump, includes gaskets, key and retaining ring 750150 Gasket rebuild kit for 1992-1999 HVHP oil pump, includes gaskets, key and retaining ring 750303 Master rebuild kit kit for 1984-1991 HVHP oil pump, includes gaskets, seals, O-rings, key, retaining ring, relief valve spring, check valve spring, and ball 750148 Master rebuild kit kit for 1992-1999 HVHP oil pump, includes gaskets, seals, O-rings, key, retaining ring, relief valve spring, check valve spring, and ball S&S High Pressure High Volume oil pump kits with standard cover 750056 Pump Only Kit, fits late S&S Super Stock crankcases and 1992-1999 Evolution Big Twin with S&S pinion shaft installed 750057 Pump, Breather and Gear kit, fits late S&S Super Stock crankcases and 1992-1999 Evolution Big Twin with S&S pinion shaft installed S&S High Pressure High Volume oil pump kits with universal cover 710099 Pump only kit, fits early S&S Super Stock crankcases and 1984-1991 Evolution Big Twin 750054 Pump Only Kit, fits late S&S Super Stock crankcases and 1992-1999 Evolution Big Twin with S&S pinion shaft installed 710106 Pump, breather and Gear kit, fits early S&S Super Stock crankcases and 1984-1989 Evolution Big Twin. Also fits Evolution Big Twin 1990-1991 with S&S pinion shaft installed 750055 Pump, Breather and Gear kit, fits late S&S Super Stock crankcases and 1992-1999 Evolution Big Twin with S&S pinion shaft installed S&S HIGH VOLUME HIGH PRESSURE OIL PUMPS The S&S HighVolume High-Pressure (HVHP) billet aluminum oil pump is a high capacity pump that was initially designed for the S&S Super Sidewinder Plus Long Block engines. These pumps feature a new tooth profile with fewer, but larger teeth, providing increased oil volume for both supply and return sides of the pump. Supply gears are 9% wider than OEM or standard S&S oil pumps to give the HVHP pump even more oil capacity. Return gears are 28% wider than OEM or standard S&S pumps to insure that the additional volume of oil supplied to the engine is scavenged and returned to the oil tank, preventing oil carry over from the crankcase breather. In spite of these wider gears, the HVHP pump is no thicker than stock. Your choice between one with an universal cover that provides a number of oil feed and return options allowing maximum flexibility for customized installations, or the standard style cover which has feed and return holes in the stock 1992-1999 locations. Pump Only Kits include a complete oil pump assembly with drive shaft, drive shaft keys & snap rings, check ball & spring, pressure valve & spring, cover screws with O-rings, miscellaneous hose fittings, plugs, screws, gaskets, and mounting hardware. Pump, Breather and Gear Kits also include an oil pump drive shaft gear, oil pump pinion shaft gear, and an S&S steel breather gear with shim kit. Note: S&S crankcases have either a two or three letter code stamped above either the rear engine mount surface or above the oil pump mounting surface. When the first letter is "A" you must use a pump for 1984-1991, when the first letter is "B" you must use a pump for 1992-1999. E�G�N� OIL PUMP