Engine Replacement Parts

S&S Cycle #106-1348 - Key

Machine key for S&S Gear Drive Cam sets. Steel parallel key .188 x .150 x .420.

S&S Cycle #31-4011 - Sprocket Spacer - Big Twin

Fatigue proof drive sprocket spacer for 1965-1999 big twin. Replaces OEM p/n 24002-70. FitmentYear(s)MakeModel CodeModel1965-2028Harley-Davidson—Big Twin

S&S Cycle #31-6004 - Idler Shaft - Big Twin

Oil pump idler shaft for 1936-1999 big twin engines. One require per pump, sold each. Replaces OEM p/n 26327-68. FitmentYear(s)MakeModel CodeModel1968-1999Harley-Davidson—Big Twin

S&S Cycle #31-6011 - Oil Pump Drive Shaft

Oil pump drive shaft for 1936-1999 big twin engines. One require per pump, sold each. Replaces OEM p/n 26346-70. FitmentYear(s)MakeModel CodeModel1968-1999Harley-Davidson—Big Twin

S&S Cycle #31-6018 - Oil Pump Relief Spring

Oil Pump Relief Valve Spring for 1936-1999 big twin. .040" wire .242" x .324" x 2.32". One required per pump, sold each. FitmentYear(s)MakeModel CodeModel1936-1999Harley-Davidson—Big Twin

S&S Cycle #31-6271 - Oil Pump Replacement Gasket Kit

Standard oil pump rebuild gasket for 1936-1991 big twin. Compatible with either S&S standard cast or billet oil pumps. One required per pump, sold each. FitmentYear(s)MakeModel CodeModel1936-1991Harley-Davidson—Big Twin

S&S Cycle #31-6273 - Replacement Gaskets

Standard oil pump rebuild gasket for 1992-1999 big twin. Compatible with either S&S standard cast or billet oil pumps. One required per pump, sold each. FitmentYear(s)MakeModel CodeModel1992-1999Harley-Davidson—Big Twin

S&S Cycle #31-6275 - Oil Pump Rebuild Kit

S&S High Volume High Pressure pump rebuild gasket for 1936-1991 big twin. Compatible with S&S HVHP billet oil pumps. One required per pump, sold each. FitmentYear(s)MakeModel CodeModel1936-1991Harley-Davidson—Big Twin

S&S Cycle #31-6278 - Oil Pump Rebuild Kit - Standard

Master rebuild kit for standard oil pump for 1992-1999 big twin. Comes with gasket rebuild kit, seal, retaining ring, relief valve spring, check valve spring, check valve ball and cover screw o-rings. Compatible with either S&S standard cast or...

S&S Cycle #31-6299 - HVHP Oil Pump Gasket Kit

S&S High Volume High Pressure pump rebuild gasket for 1992-1999 big twin. Compatible with S&S HVHP billet oil pumps. One required per pump, sold each. FitmentYear(s)MakeModel CodeModel1992-1999Harley-Davidson—Big Twin

S&S Cycle #31-6300 - HVHP Master Oil Pump Rebuild Kit

Master rebuild kit for S&S High Volume High Pressure oil pump for 1992-1999 big twin. Comes with gasket rebuild kit, seal, retaining ring, relief valve spring, check valve spring, check valve ball and cover screw o-rings. Compatible with S&S...

S&S Cycle #33-4244 - Pinion Shaft Gear Nut - Big Twin '54-'89

Pinion gear nut for 1954-1989 big twin flywheels. Also fits 1990-1999 engines with S&S flywheels.

S&S Cycle #33-4249 - Breather Gear Spacing Shim Kit - Big Twin

Breather gear spacer shim kit. Includes one of each spacer sized, .100", .110", .120", .130", .140", .150", .160", .170".

S&S Cycle #34-2104 - Nut - Crankpin - Black

Crankpin nut for 1941-1984 big twin flywheels and 1981-1999 S&S 5 piece flywheels.

S&S Cycle #34-4040 - Rod Race and Bushing Set - Big Twin '41-'99 (except Twin Cam)

Connecting rod rebuild kit, containing bearing races for front and rear rods and wristpin bushings. Complete kit fits 1941-1984 big twin engines and V96, V107 and V113 motors. FitmentYear(s)MakeModel CodeModel1941-1999Harley-Davidson—Big Twin