Engine Components

S&S HVHP Oil Pumps HVHP oil pumps have a new gear tooth profile with fewer but larger teeth that provides an increased oil volume for both supply and return-side of the pump Supply-side gears are 9% wider than stock Return gears are 28% wider than stock to ensure that the additional volume of oil supplied to the engine is scavenged and returned to the oil tank, reducing the amount of oil in the crankcase breather Kits include supply gears, return gears, drive shaft, drive shaft keys, drive shaft snap rings, check ball, check ball spring, pressure valve spring, cover screws with O-rings, miscellaneous hose fittings, plugs, screws, gaskets, mounting hardware, oil pump drive shaft gear, oil pump pinion shaft gear, S&S breather gear and shim kit and instructions Oil pumps only include supply gears, return gears, drive shaft keys, drive shaft snap rings, check ball, check ball spring, pressure valve spring, cover screws with O-rings, miscellaneous hose fittings, plugs, screws, gaskets, mounting hardware and instructions Made in the U.S.A.

S&S Billet Oil Pumps Kit includes an oil pump with 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, miscellaneous hose fittings, plugs, screws and gaskets Pump features a smoother design and pressure relief towers that are .300" shorter than the OEM oil pump Accepts OEM steel oil lines and have late-style mounting bolt pattern Replacement gaskets available separately Made in the U.S.A.

S&S Billet Oil Pump Kits Kit includes oil pump, universal cover with top and bottom feeds, 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, miscellaneous hose fittings, plugs, screws and gaskets Pump features a smoother design and pressure relief towers that are .300" shorter than the OEM oil pump Accepts 3/8" rubber oil lines Replacement gaskets available separately Made in the U.S.A.

The milwaukee 8 engine is now notorious for its oil sumping issues since its release in 2017. the rocket cams forged oil pump and camshaft support plate corrects the issues by separating the scavenge chamber for the crankcase and the cam chest with individual chambers and pump gears. the oil cooled model has increased oil pressure and flow to get the oil through the passage ways of the heads quicker. the forging process strengthens the aluminum by aligning the grain structure making it more durable than billet while making the components up to 25% stronger than the stock castings.

Roller Rocker Arms `17-up M8 There are extra stress issues that arise when big lift cams and high-pressure valve springs are installed.   it is essential that more durable components are used together to help you get the most out of your m8.Rocket cams forged roller rocker arms for m8 models are stronger, more durable and easier on the rest of your valvetrain, and are essential for increasing the longevity of your valvetrain components on cams with greater than.550" lift.

V-Twin MFG 83 inch Evolution Big Bore Cylinder Kit Evolution 83 inch Big Bore bolt on silver cylinder kit includes 10:1 compression Wiseco forged dome piston kit which have been honed for final fitment. No case boring required. Includes two cylinders and two domed pistons. Order top end gasket separately. *NOTE: The cylinders are bored and honed to 3.5430 to fit the pistions. Fitment Harley DavidsonFLST1986 Harley DavidsonFLST1987 Harley DavidsonFLST1988 Harley DavidsonFLST1989 Harley DavidsonFLST1990 Harley DavidsonFLST1991 Harley DavidsonFLST1992 Harley DavidsonFLST1993 Harley DavidsonFLST1994 Harley DavidsonFLST1995 Harley DavidsonFLST1996 Harley DavidsonFLST1997 Harley DavidsonFLST1998 Harley DavidsonFLT1984 Harley DavidsonFLT1985 Harley DavidsonFLT1986 Harley DavidsonFLT1987 Harley DavidsonFLT1988 Harley DavidsonFLT1989 Harley DavidsonFLT1990 Harley DavidsonFLT1991 Harley DavidsonFLT1992 Harley DavidsonFLT1993 Harley DavidsonFLT1994 Harley DavidsonFLT1995 Harley DavidsonFLT1996 Harley DavidsonFLT1997 Harley DavidsonFLT1998 Harley DavidsonFXD1991 Harley DavidsonFXD1992 Harley DavidsonFXD1993 Harley DavidsonFXD1994 Harley DavidsonFXD1995 Harley DavidsonFXD1996 Harley DavidsonFXD1997 Harley DavidsonFXD1998 Harley DavidsonFXR1984 Harley DavidsonFXR1985 Harley DavidsonFXR1986 Harley DavidsonFXR1987 Harley DavidsonFXR1988 Harley DavidsonFXR1989 Harley DavidsonFXR1990 Harley DavidsonFXR1991 Harley DavidsonFXR1992 Harley DavidsonFXR1993 Harley DavidsonFXR1994 Harley DavidsonFXST1985 Harley DavidsonFXST1986 Harley DavidsonFXST1987 Harley DavidsonFXST1988 Harley DavidsonFXST1989 Harley DavidsonFXST1990 Harley DavidsonFXST1991 Harley DavidsonFXST1992 Harley DavidsonFXST1993 Harley DavidsonFXST1994 Harley DavidsonFXST1995 Harley DavidsonFXST1996 Harley DavidsonFXST1997 Harley DavidsonFXST1998

V-Twin MFG 83 inch Evolution Big Bore Cylinder Kit Evolution 83 inch Big Bore bolt on black cylinder kit includes 10:1 compression Wiseco forged piston kit which has been honed for final fitment. Cylinders are aluminum and features a cast in steel sleeve. Kit includes a front and rear piston. No case boring required. *NOTE: Must order top end gasket separately. Fitment Harley DavidsonFLST1986 Harley DavidsonFLST1987 Harley DavidsonFLST1988 Harley DavidsonFLST1989 Harley DavidsonFLST1990 Harley DavidsonFLST1991 Harley DavidsonFLST1992 Harley DavidsonFLST1993 Harley DavidsonFLST1994 Harley DavidsonFLST1995 Harley DavidsonFLST1996 Harley DavidsonFLST1997 Harley DavidsonFLST1998 Harley DavidsonFLT1984 Harley DavidsonFLT1985 Harley DavidsonFLT1986 Harley DavidsonFLT1987 Harley DavidsonFLT1988 Harley DavidsonFLT1989 Harley DavidsonFLT1990 Harley DavidsonFLT1991 Harley DavidsonFLT1992 Harley DavidsonFLT1993 Harley DavidsonFLT1994 Harley DavidsonFLT1995 Harley DavidsonFLT1996 Harley DavidsonFLT1997 Harley DavidsonFLT1998 Harley DavidsonFXD1991 Harley DavidsonFXD1992 Harley DavidsonFXD1993 Harley DavidsonFXD1994 Harley DavidsonFXD1995 Harley DavidsonFXD1996 Harley DavidsonFXD1997 Harley DavidsonFXD1998 Harley DavidsonFXR1984 Harley DavidsonFXR1985 Harley DavidsonFXR1986 Harley DavidsonFXR1987 Harley DavidsonFXR1988 Harley DavidsonFXR1989 Harley DavidsonFXR1990 Harley DavidsonFXR1991 Harley DavidsonFXR1992 Harley DavidsonFXR1993 Harley DavidsonFXR1994 Harley DavidsonFXST1984 Harley DavidsonFXST1985 Harley DavidsonFXST1986 Harley DavidsonFXST1987 Harley DavidsonFXST1988 Harley DavidsonFXST1989 Harley DavidsonFXST1990 Harley DavidsonFXST1991 Harley DavidsonFXST1992 Harley DavidsonFXST1993 Harley DavidsonFXST1994 Harley DavidsonFXST1995 Harley DavidsonFXST1996 Harley DavidsonFXST1997 Harley DavidsonFXST1998

V-Twin MFG 88 inch Evolution Big Bore Cylinder Kit Silver Increase your stock Evolution engine with our 88 inch cylinder kit. Our kit includes two 3-5/8 inch silver cylinders which have been honed for final fitment with Wiseco 9.25:1 compression flat top pistons and rings. Case boring will be required for final fitment. Bottom of cylinder spigot is 3.875. Order top end gasket kit separately. Fitment Harley DavidsonFLST1986 Harley DavidsonFLST1987 Harley DavidsonFLST1988 Harley DavidsonFLST1989 Harley DavidsonFLST1990 Harley DavidsonFLST1991 Harley DavidsonFLST1992 Harley DavidsonFLST1993 Harley DavidsonFLST1994 Harley DavidsonFLST1995 Harley DavidsonFLST1996 Harley DavidsonFLST1997 Harley DavidsonFLST1998 Harley DavidsonFLT1984 Harley DavidsonFLT1985 Harley DavidsonFLT1986 Harley DavidsonFLT1987 Harley DavidsonFLT1988 Harley DavidsonFLT1989 Harley DavidsonFLT1990 Harley DavidsonFLT1991 Harley DavidsonFLT1992 Harley DavidsonFLT1993 Harley DavidsonFLT1994 Harley DavidsonFLT1995 Harley DavidsonFLT1996 Harley DavidsonFLT1997 Harley DavidsonFLT1998 Harley DavidsonFXD1991 Harley DavidsonFXD1992 Harley DavidsonFXD1993 Harley DavidsonFXD1994 Harley DavidsonFXD1995 Harley DavidsonFXD1996 Harley DavidsonFXD1997 Harley DavidsonFXD1998 Harley DavidsonFXR1984 Harley DavidsonFXR1985 Harley DavidsonFXR1986 Harley DavidsonFXR1987 Harley DavidsonFXR1988 Harley DavidsonFXR1989 Harley DavidsonFXR1990 Harley DavidsonFXR1991 Harley DavidsonFXR1992 Harley DavidsonFXR1993 Harley DavidsonFXR1994 Harley DavidsonFXST1984 Harley DavidsonFXST1985 Harley DavidsonFXST1986 Harley DavidsonFXST1987 Harley DavidsonFXST1988 Harley DavidsonFXST1989 Harley DavidsonFXST1990 Harley DavidsonFXST1991 Harley DavidsonFXST1992 Harley DavidsonFXST1993 Harley DavidsonFXST1994 Harley DavidsonFXST1995 Harley DavidsonFXST1996 Harley DavidsonFXST1997 Harley DavidsonFXST1998

V-Twin MFG 95 inch Big Bore Twin Cam Cylinder and Piston Kit 95 inch Big Bore kit will increase TC-88 engines to 95 inch. Kit includes cylinders with 9:1 forged pistons. Pistons are pre fitted to cylinders with head gaskets. No crankcase machining required for installation. Twin Cam 3-7/8 inch Big Bore Cylinder Kit increases displacement of Twin Cam 88 (1450) to 95 (1550) cubic inches. These cylinders require no crankcase machining and are finished honed. Features Harley DavidsonFLST2000 Harley DavidsonFLST2001 Harley DavidsonFLST2002 Harley DavidsonFLST2003 Harley DavidsonFLST2004 Harley DavidsonFLST2005 Harley DavidsonFLST2006 Harley DavidsonFLT2000 Harley DavidsonFLT2001 Harley DavidsonFLT2002 Harley DavidsonFLT2003 Harley DavidsonFLT2004 Harley DavidsonFLT2005 Harley DavidsonFLT2006 Harley DavidsonFXD2000 Harley DavidsonFXD2001 Harley DavidsonFXD2002 Harley DavidsonFXD2003 Harley DavidsonFXD2004 Harley DavidsonFXD2005 Harley DavidsonFXD2006 Harley DavidsonFXST2000 Harley DavidsonFXST2001 Harley DavidsonFXST2002 Harley DavidsonFXST2003 Harley DavidsonFXST2004 Harley DavidsonFXST2005 Harley DavidsonFXST2006