www.zodiac.nl 07-041 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 The S&S High Volume 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 OEMor standard S&S oil pumps to give the HVHP pump even more oil capacity. Return gears are 28% wider than OEMor 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. 1991 S&S HIGH VOLUME HIGH PRESSURE OIL PUMPS S&S's new, 1981 thru 1999 style oil pumps for Big Twins are CNC machined from solid billet aluminum for strict manufacturing tolerances and high-gloss polished for that "different look". S&S oil pumps route surplus oil back to the main supply passage rather than the return to eliminate unnecessary filtering and offer the opportunity to upgrade earlier engines to the 1981-up oiling system. This oiling system splits bottom and top end oil supplies, increasing oil pressure to hydraulic lifters and top end. Another simple, optional modification will improve primary chain oiling in 1965 thru 1972 models. The oil pump cover is compatible with both OEM steel oil lines as well as conventional neoprene line to insure a simple installation and professional, uncluttered appearance. S&S oil pump assemblies come complete with all internal parts assembled, gaskets, drive shaft with keys and snap ring, mounting hardware, check ball and pressure relief valve assemblies. For those who want everything to be 101% there is an oil pump assembly complete with drive gear, breather gear and shim kit available. Note: For maximum flexibility, S&S oil pumps provide optional location for the oil supply fitting. Dyna's, late FL's and other models with oil tanks below the transmission should utilize the stock location. Otherwise, under certain circumstances air could enter the oil pump and interfere with engine lubrication. No provision is made for rear chain oiling on ANY S&S billet oil pump. The billet oil pump for 1936 thru 1976 Big Twins is equipped with an adjusting screw to control primary oil metering. Oil pump assembly ZPN750604 is as supplied with all S&S V-series Evolution style engines and features an universal cover with top and bottom feeds. 1990 S&S BILLET OIL PUMP KITS FOR 1936 THRU 1999 BIG TWIN MODELS OIL PUMP (Ȧ*ȡ1ȝ Oil pump Assembly With gear & shim kits 711471 - Fits 1936 thru 1972 models - 711474 Fits 1948 thru 1953 models - 711475 Fits 1954 thru 1969 models - 711476 Fits 1970 thru 1977 models 711472 - Fits 1973 thru 1991 models - 711477 Fits 1978 thru 1991 models 750604 - Fits 1992 thru 1999 models and 1984 to present S&S V-series 711473 711478 Fits 1992 thru 1999 models with a pre-1989 style pinion shaft (Site 451)
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