Page 85 of Engine 2008 by Custom Chrome

s s jims oil pumps jims® billet oil pump assembly with custom cover gives an increase in oil return scavenge volume over stock pumps increasing horsepower by decreasing drag on the flywheels and other rotating parts matched feed and return gears provide increased oil pressure even at idle cover and body are polished billet 6061-t651 aluminum cnc-machined to exact tolerances for the most durable strong and wear resistant oil pumps 20931 fits all big twin models from 1973 thru 1991 409.99 note 1973 thru 1980 cases will require a simple drilling procedure for oil drain hole by using jims® tool cc #20859 index apparel seats bags foot controls hand controls lighting electrical exhaust s&s billet aluminum oil pumps for big twins cnc-machined to maintain close tolerances and strict quality control these billet oil pumps all feature the same oiling pattern as 1981 thru 1999 engines this results in a split oil path that applies more pressure to the top end for longer component life each pump features multiple oil ports for a variety of plumbing options kits include billet oil pump supply and return gears drive shaft with keys and snap rings check ball and spring pressure relief valve and spring check ball and relief valve cover screws with o-rings gaskets fittings and hardware no provision for rear chain oiling 45827 fits big twin models from 1936 thru 1972 $299.99 45811 fits all big twin models from 1973 thru 1991 $294.95 45810 fits evolution® big twin models from 1992 thru 1999 $299.99 45775 paper gasket kit for 1992 thru 1999 style pumps except twin cam 88® models $5.49 45766 paper gasket kit for 1936 thru 1991 style pumps $5.49 20840 drill fixture for use on big twin models from 1936 thru 1999 except twin cam 88® models $45.99 note s&s oil pumps on this page require the gasket kits sold above not compatible with oem style gaskets intake engine gaskets tranny clutch driveline wheels tires brakes frames forks shocks sheetmetal gauges chemicals general www.customchrome.com 9.85 cross reference

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