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)
Chrome Top Engine Mount - Ultima 5-225 - Twin Cam 2000-2005
UltimaUltima #: 5-225 Top engine mount for TC engines. Fitment: 2000-2005 FLST 2000-2005 FLT 2000-2005 FXST
Ultima Top Rocker Box Gasket - V-Twin 15-7110
UltimaUltima top rocker box gasket features a foam rubber over a steel core finish. For the upper gasket used in the Ultima solid top rocker box without ...
View full detailsBlack ISO Front Engine Mount - V-Twin 31-1285 - OEM 16207-79D - Big Twin 1979-2008
V-Twin ManufacturingOEM #: 16207-79D Black ISO front engine mount is 40% stronger. Fitment: 1979-2008 FLT 1982-1994 FXR
OE Front Engine Mount Stabilizer Link Chrome - OE 16400020 - OEM 16400020 - Sportster 2004+
OEOE #: 16400020 · OEM #: 16400020 OE front engine mount stabilizer link features a chrome finish and includes the mounting hardware. Fitment: 2004-...
View full detailsChrome Coil Mount - V-Twin 31-0665 - Big Twin 0+
V-Twin ManufacturingCoil mount chrome accepts 2 single fire Crane or Dyna coils. This coil mount is without the key switch hole. Notes:Suggested to use with Chrome Top...
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Ultima Upper Rocker Box Gasket Rubber - Ultima 77-799 - OEM 17354-89 - Evolution Sportster 1991-2003
Ultima Upper Rocker Box Gasket Rubber - Ultima 77-799 - OEM 17354-89 - Evolution Sportster 1991-2003
UltimaUltima #: 77-799 · OEM #: 17354-89 Upper rocker box rubber gasket. Fitment: 1991-2003 XL
Ultima Cylinder Head Gasket MLS - Ultima 77-761 - Twin Cam 1999-2017
UltimaUltima #: 77-761 MLS cylinder head gasket is.040 thick for 1450 Twin Cam. Sold Each. Fitment: 1999-2017 FLST 1999-2016 FLT 1999-2017 FXD 199...
View full detailsUltima Tappet Block Gasket Foamet - Ultima 77-802 - OEM 17976-04 - Sportster 2004+
UltimaUltima #: 77-802 · OEM #: 17976-04 Foamet tappet block gasket. Sold Each Fitment: 2004-UP XL
Ultima Rocker Box Base Gasket Rubber - Ultima 77-798 - OEM 17353-89
UltimaUltima #: 77-798 · OEM #: 17353-89 Rocker box base rubber gasket.
Ultima Rocker Box Cover Gasket - Ultima 77-800 - OEM 18635-99 - Twin Cam 1999-2017
UltimaUltima #: 77-800 · OEM #: 18635-99 Rocker box cover rubber coated steel gasket. Sold Each Fitment: 1999-2017 FLST 1999-2016 FLT 1999-2017 FXD ...
View full detailsUltima Cam Cover Gasket Foamet - Ultima 77-715 - OEM 25225-70 - Big Twin 1970-1992
UltimaUltima #: 77-715 · OEM #: 25225-70 Foamet cam cover gasket. Fitment: 1970-1984 FL 1986-1992 FLST 1979-1992 FLT 1971-1984 FX 1991-1992 FXD ...
View full detailsCam Chest Breather Gear Kit - V-Twin 12-1540 - Big Twin 1982-1998
V-Twin ManufacturingCam chest breather gear kit is constructed of precision ground steel with screen installed. Kit includes 8 piece steel thrust washer set. Fitment: ...
View full detailsReplica Cast Iron Oil Pump Assembly - V-Twin 12-9931 - OEM 26201-48D
V-Twin ManufacturingOEM #: 26201-48D Replica cast iron oil pump assembly includes the correct oil pressure switch. Assembly is exact for the years listed! Outer cover ...
View full detailsOil Pump Drive Gear - V-Twin 12-1377 - OEM 26318-88A - Evolution Sportster 1988+
V-Twin ManufacturingOEM #: 26318-88A Oil pump drive gear Fitment: 1988-UP XL
Oil Pump Gasket and Hardware Kit - V-Twin 12-1480
V-Twin ManufacturingOil pump gasket kit paper type includes gaskets seals snap ring balls and keys. Fitment: 1936-1940 EL
Replica Cast Iron Oil Pump Assembly - V-Twin 12-8888
V-Twin ManufacturingReplica cast iron oil pump assembly. Includes all components completely assembled with the correct plugs fittings die cast alloy cover and pressure...
View full detailsOil Pump Check Valve Kit - V-Twin 12-1487 - Big Twin 1981-1999
V-Twin ManufacturingCheck valve kit include ball spring and cap. Fitment: 1981-1984 FL 1986-1998 FLST 1981-1998 FLT 1981-1984 FX 1991-1999 FXD 1982-1994 FXR
Oil Pump Drive Shaft Kit - V-Twin 12-0808
V-Twin ManufacturingSifton oil pump drive shaft kit includes 3 keys shaft gear bushing and snap rings. Fitment: 1939-1952 EL 1941-1967 FL
Koyo Cam Needle Bearing - Sonnax HDNB0002 - OEM 9058 - Big Twin 1958-1998
SonnaxSonnax #: HDNB0002 · OEM #: 9058 Koyo cam needle bearing has a roller design. For 1958-1999 Big Twin models. Our cam needle bearings are manufactur...
View full detailsTappet Oil Screen Kit - V-Twin 12-0186
V-Twin ManufacturingTappet oil screen kit includes screen housing body ball spring washer and chrome plug. Fitment: 1952-1962 FL
95 Big Bore Twin Cam Piston Ring Set.010" - Hastings Rings 2M5538S-010 - Big Twin 0+
Hastings RingsHastings Rings #: 2M5538S-010 Moly piston ring set is for 4.0 inch bore and is.010 oversize. Set includes two 1/16 inch compression rings and one 3...
View full details74 Moly Piston Ring Set.005" - Hastings Rings 2M6482-005
Hastings RingsHastings Rings #: 2M6482-005 Hastings moly piston ring set is.005 oversize. Set includes a moly top compression ring and chrome oil rings. Sold as ...
View full details80 Shovelhead Cylinder Piston Kit - V-Twin 11-2613
GMEGME 80 inch Shovelhead cylinder and Wiseco piston kit are honed and prefitted with 9.5:1 compression forged pistons and rings. Set of two. They are...
View full detailsM8 Pushrod Cover Kit Black - V-Twin 11-1408 - OEM 17900081 - Twin Cam 2017+
V-Twin ManufacturingOEM #: 17900081 Pushrod cover kit for M8 models includes all necessary pieces for complete pushrod cover installation. Features a black finish to h...
View full detailsMore 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.