Engine
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Engine - Cam (293)
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Engine - Cam Cover (74)
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Engine - Connecting Rod (74)
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Engine - Crank Case (199)
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Engine - Crank Pin (56)
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Engine - Cylinder (150)
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Engine - Cylinder Head (76)
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Engine - Dress Up Kit (84)
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Engine - Engine Mount (143)
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Engine - Flywheel (54)
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Engine - Long Block (6)
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Engine - Oil Pump (223)
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Engine - Pinion Shaft (74)
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Engine - Piston (289)
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Engine - Piston Ring (174)
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Engine - Pushrod (62)
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Engine - Pushrod Cover (80)
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Engine - Rocker Arm (78)
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Engine - Rocker Box (179)
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Engine - Seals, Gaskets & O-Rings (594)
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Engine - Short Block (6)
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Engine - Sprocket Shaft (54)
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Engine - Tappet (136)
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Engine - Tappet Block (67)
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Engine - Valves (388)
8-Finned Panhead Cam Cover Natural - V-Twin 10-0066 - OEM 25216-48
V-Twin ManufacturingOEM #: 25216-48, 584-48 Cam cover includes bushings and breather pipe. 8-finned cover has a natural finish. The bushings are for the early pinion s...
View full detailsS&S Stock Bore Engine Crankcase Set - S&S Cycle 31-0010
S&S CycleS&S Cycle #: 31-0010 Crankcase set for 1965-1969 Big Twin Shovelhead engine comes ready to assemble. S&S crankcase sets are shipped set up ...
View full detailsEvolution 80 Short Block - V-Twin 10-0008 - Evolution 1991-1998
V-Twin ManufacturingV-Twin short block comes fully assembled. Unit features an S&S crankcase Sifton oil pump and breather assembly stock stroke flywheels Timken be...
View full details8-Finned Knucklehead Cam Cover Die Cast - V-Twin 10-0065 - OEM 25216-36
V-Twin ManufacturingOEM #: 25216-36, 584-36 8-finned cam cover includes bushings and breather pipe with a stock die cast finish. Cam cover bushings must be checked and...
View full detailsS&S Stock Bore Engine Crankcase Set - S&S Cycle 31-0008
S&S CycleS&S Cycle #: 31-0008 Crankcase set for Panhead engines comes ready to assemble. S&S Crankcase Sets are shipped set up with Timken left side...
View full detailsEvolution 80 Short Block - V-Twin 10-0007 - Evolution 1984-1991
V-Twin ManufacturingV-Twin short blocks are shipped fully assembled. Unit features an S&S crankcase Sifton oil pump and breather assembly stock stroke flywheels Ti...
View full detailsS&S Stock Bore Shovelhead Engine Crankcase Set - S&S Cycle 31-0003
S&S CycleS&S Cycle #: 31-0003 Crankcase set comes ready to assemble. S&S Crankcase Sets are shipped set-up with Timken left side bearing and race as...
View full detailsStock Bore Engine Crankcase Set - S&S Cycle 31-0005 - Evolution 1992-1998
S&S CycleS&S Cycle #: 31-0005 Crankcase set for V2 type engines comes ready to assemble. S&S crankcase set includes Timken left side bearing race as...
View full detailsShovelhead 80 Short Block - V-Twin 10-0006
V-Twin ManufacturingV-Twin short block is shipped fully assembled and a Manufacturer Statement of Origin is supplied. Unit features an S&S crankcase oil pump and b...
View full detailsS&S Engine Crankcase Set Stock Bore - S&S Cycle 31-0000 - Evolution 1984-1991
S&S CycleNatural crankcase set for 1984-1991 Big Twin V2 type engine comes ready to assemble. S&S crankcase set includes Timken left side bearing race a...
View full detailsChrome Nose Cone Cam Cover - Motorshop 35-0015 - Big Twin 1973-1992
MotorshopCam cover features installed bushings. Cover includes seal gaskets and mounting screws. Motorshop part #: 35-0015 Fitment: 1973-1984 FL 1986-199...
View full detailsConnecting Rod Race Set - Motorshop 20267 - Ironhead 1957+
MotorshopSets are made from 52100 steel and hardened. Motorshop part #: 20267 Measurements: Outer Diameter: 1.812 inches Inner Diameter: 1.599 inches Fitme...
View full detailsSecondary Cam Drive Chain - V-Twin 10-0481 - Twin Cam 1999-2006
V-TwinSecondary cam drive chain is for Twin Cam models. Fitment: 1999-2006 FLHR 2000-2006 FLHRCI 2000-2006 FLHRI 2000-2003 FLHRSEI 1999-2006 FLH...
View full detailsBalancer Chain Tensioner Guide Kit - V-Twin 10-0587 - Twin Cam Softail 2000-2017
V-TwinBalancer chain guide kit is a three piece kit including the front lower and rear guides. Fitment: 2000-2017 FLST 2000-2017 FXST
More about Engine
Our Engine catalog covers Harley-Davidson Big Twin and Sportster models, with everything organized below so you can go straight to the part you need. Sourced primarily from Colony, with genuine OEM-spec pieces filling in where it counts.
Everything below is organized by sub-category - Seals, Gaskets & O-Rings, Rocker Box, Cam, Piston, Tools, and Oil Pump - so you can jump straight to what your build needs next.