Engine
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V-Twin - 12-9969 - Polished Oil Pump Assembly
Sifton
$277.06V-Twin - 12-9969 - Polished Oil Pump AssemblyDescriptionSifton oil pump assembly includes all necessary fittings, snap rings, keys, gaskets and mounting bolts for a complete installation. Oil pump has a polished finish.Oil line available separately...$277.06 -
V-Twin - 12-9948 - Scavenger Oil Pump Gear
Motorshop
$29.75V-Twin - 12-9948 - Scavenger Oil Pump GearDescriptionOil pump scavenger gear*NOTE: Before assembly it is recommended to polish the bore, and face top of the pin next to the key way. Fits:XL 1972-1976Additional Information OEM No.26315-72A UOM1 - EA ...$29.75 -
V-Twin - 12-9943 - Pinion Shaft Drive Gear
S&S Cycle
$161.34V-Twin - 12-9943 - Pinion Shaft Drive GearDescriptionWhite pinion shaft drive gear, size 1.4751-1.4745 Fits:FXST 1984-1989FX 1977-1984FXR 1982-1989FLST 1986-1989FL 1977-1984FLT 1979-1989Additional Information OEM No.24041-78 UOM1 - EA ...$161.34 -
V-Twin - 12-9942 - Pinion Shaft Drive Gear Green
S&S Cycle
$142.56V-Twin - 12-9942 - Pinion Shaft Drive Gear GreenDescriptionPinion shaft gear is green size, fits Big Twin models. Green gear size is 1.4721- 1.4715". Fits:FXST 1984-1989FX 1977-1984FXR 1982-1989FLST 1986-1989FL 1977-1984FLT 1979-1989Additional...$142.56 -
V-Twin - 12-9939 - Pinion Shaft Gear Black
Motorshop
$96.82V-Twin - 12-9939 - Pinion Shaft Gear BlackDescriptionPinion shaft gear is black size, the smallest size gear. Black gear size is 1.4715- 1.4710". Fits:FXST 1984-1989FX 1977-1984FXR 1982-1989FLST 1986-1989FL 1977-1984FLT 1979-1989Additional Information ...$96.82 -
V-Twin - 12-9938 - Pinion Shaft Drive Gear Orange
S&S Cycle
$142.56V-Twin - 12-9938 - Pinion Shaft Drive Gear OrangeDescriptionPinion shaft gear is orange size, the largest size gear. Orange gear size is 1.4756- 1.4751". Fits:FXST 1984-1989FX 1977-1984FXR 1982-1989FLST 1986-1989FL 1977-1984FLT 1979-1989Additional...$142.56 -
V-Twin - 12-9930 - Oil Pump Assembly
Motorshop
$508.36V-Twin - 12-9930 - Oil Pump AssemblyDescriptionOil pump assembly includes all parts assembled.Includes alternator roll pin, 3/8" clutch ball bearing, oil pump snap rings, oil pump body, oil pump seal, inner oil pump cover, plate, cam chest breather gear,...$508.36 -
V-Twin - 12-8955 - Replica Red Rocker Arm Nut Set Zinc Plated
Motorshop
$18.74V-Twin - 12-8955 - Replica Red Rocker Arm Nut Set Zinc PlatedDescriptionReplica rocker arm nut set has a thread size of 7/16 x 20. These hex nuts with red tops are zinc plated.Sold as a set of 4. Fits:FX 1971-1984FXR 1982-1983FL 1966-1984XL 1957-1985FLT...$18.74 -
V-Twin - 12-8952 - Oil Pump Breather Valve Gear
Eastern
$124.90V-Twin - 12-8952 - Oil Pump Breather Valve GearDescriptionOil pump breather valve gear Fits:XL 1960-1971Additional Information OEM No.26331-60 UOM1 - EA ManufacturerEastern OriginUSA 2025 Catalog Pages863$124.90 -
V-Twin - 12-8951 - Oil Pump Breather Valve Gear
Eastern
$124.90V-Twin - 12-8951 - Oil Pump Breather Valve GearDescriptionOil pump breather valve gear. Fits:K 1956-1956XL 1957-1959Additional Information OEM No.26331-56 UOM1 - EA ManufacturerEastern OriginUSA 2025 Catalog Pages863$124.90 -
V-Twin - 12-8950 - Oil Pump Breather Valve Gear
Eastern
$124.90V-Twin - 12-8950 - Oil Pump Breather Valve GearDescriptionOil pump breather valve gear Fits:K 1952-1955Additional Information OEM No.26331-52 UOM1 - EA ManufacturerEastern OriginUSA 2025 Catalog Pages863$124.90 -
V-Twin - 12-8001 - Oil Pump Assembly
S&S Cycle
$460.49V-Twin - 12-8001 - Oil Pump AssemblyDescriptionS&S billet oil pump assembly for 1936-1972 Big Twin models.Assembly includes supply gears, return gears, drive shaft, drive shaft keys, drive shaft snap rings, check ball, check ball spring, pressure valve,...$460.49 -
V-Twin - 12-5240 - S&S Cam Installation Support Kit TC-88
S&S Cycle
$95.29V-Twin - 12-5240 - S&S Cam Installation Support Kit TC-88DescriptionS&S cam installation support kit for TC-88 models includes cam cover gasket, two inner cam needle bearings, two outer cam bearings and a retaining ring. Fits:FLT 2007-2016FXD...$95.29 -
V-Twin - 12-4598 - .001 Engine Left Case Roller Bearing Set
Motorshop
$27.15V-Twin - 12-4598 - .001 Engine Left Case Roller Bearing SetDescriptionEngine left case roller bearing set, .001 Fits:WL 1937-1952WL 1932-1936DL 1930-1931G 1932-1973Additional Information OEM No.9326 UOM24 - PK ManufacturerMotorshop OriginUSA 2025...$27.15 -
V-Twin - 12-4575 - Engine Right Case Roller Bearing Set .0004
Motorshop
$25.33V-Twin - 12-4575 - Engine Right Case Roller Bearing Set .0004Description.0004 engine right case roller bearing set Fits:WL 1929-1952FL 1954-1954Additional Information OEM No.9243 UOM12 - PK ManufacturerMotorshop OriginUSA 2025 Catalog Pages487 ...$25.33 -
V-Twin - 12-4565 - Connecting Rod Long Roller Bearing .0008
V-Twin
$34.42V-Twin - 12-4565 - Connecting Rod Long Roller Bearing .0008DescriptionConnecting rod roller bearing is .0008 oversize, long type Fits:XL 1957-1999Additional Information UOM100 - PK ManufacturerV-Twin OriginUSA 2025 Catalog Pages841$34.42 -
V-Twin - 12-2556 - Connecting Rod Bearing Set
S&S Cycle
$141.09V-Twin - 12-2556 - Connecting Rod Bearing SetDescriptionS&S connecting rod bearing set with 3 steel cages fitted with standard size Torrington rollers for connecting rods. Fits:UL 1937-1948FXR 1982-1986FLT 1979-1986FXST 1984-1986FX 1971-1984EL...$141.09 -
V-Twin - 12-2524 - Rocker Box Cover Stud Kit
Motorshop
$29.51V-Twin - 12-2524 - Rocker Box Cover Stud KitDescriptionSifton rocker box cover stud kit for 1 head. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984Additional Information OEM No.17506-66 UOM1 - KIT ManufacturerMotorshop OriginImported 2025...$29.51 -
V-Twin - 12-2523 - Oil Pump Chain Adjuster Screw
Eastern
$17.86V-Twin - 12-2523 - Oil Pump Chain Adjuster ScrewDescriptionChain oil adjuster screw with slot head. Sold each. Fits:FL 1970-1984FXST 1984-1998FXR 1982-1994FLT 1979-1998FX 1971-1984FXD 1991-1998FLST 1986-1998Additional Information OEM No.63610-70 UOM1 -...$17.86 -
V-Twin - 12-2122 - Rocker Arm Shim
Eastern
$16.58V-Twin - 12-2122 - Rocker Arm ShimDescriptionRocker arm shim 10 pack. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984Additional Information OEM No.17450-73 UOM10 - PK MeasurementsAdditional InformationOuter Diameter: 7/8"Inner Diameter:...$16.58 -
V-Twin - 12-2116 - Rocker Arm Spacer
Eastern
$20.48V-Twin - 12-2116 - Rocker Arm SpacerDescriptionUsed in between each pair of rocker arms these spacers are sold in a pack of 10. Fits:XL 1957-1983Additional Information OEM No.17451-57 UOM10 - PK ManufacturerEastern OriginUSA 2025 Catalog Pages848$20.48 -
V-Twin - 12-2115 - Rocker Arm Spacer
Motorshop
$23.88V-Twin - 12-2115 - Rocker Arm SpacerDescriptionUsed in between each pair of rocker arms these spacers are sold in a pack of 4. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984Additional Information OEM No.17452-66 UOM1 - SET ...$23.88 -
V-Twin - 12-2114 - Rocker Arm Stud Set
Motorshop
$33.62V-Twin - 12-2114 - Rocker Arm Stud SetDescriptionReplica Panhead rocker arm eight piece stud set. Fits:FL 1948-1965Additional Information OEM No.17647-48 UOM8 - PK ManufacturerMotorshop OriginImported 2025 Catalog Pages508 Replacement Items9917-8 -...$33.62 -
V-Twin - 12-2107 - Top Engine Mount Stud Set
Motorshop
$23.40V-Twin - 12-2107 - Top Engine Mount Stud SetDescriptionTop engine mount stud set.Washers and nuts not included. Sold as a set of 4. Fits:FX 1971-1984FL 1948-1984Additional Information OEM No.16864-48 UOM1 - SET ManufacturerMotorshop OriginImported ...$23.40 -
V-Twin - 12-2106 - Rocker Box Cover Zinc Finish Stud Set
Motorshop
$39.62V-Twin - 12-2106 - Rocker Box Cover Zinc Finish Stud SetDescriptionRocker box stud set for one head. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984Additional Information OEM No.17506-66 UOM1 - KIT MeasurementsAdditional Information8 Bolts...$39.62 -
V-Twin - 12-2103 - Cylinder Base Stud Set
Motorshop
$23.51V-Twin - 12-2103 - Cylinder Base Stud SetDescriptionCylinder base stud set features heat treating and interference thread at cylinder base. Fits:XL 1972-1985Additional Information OEM No.16830-72 UOM8 - PK ManufacturerMotorshop OriginImported 2025...$23.51 -
V-Twin - 12-2102 - Cylinder Base Stud Set
V-Twin
$19.86V-Twin - 12-2102 - Cylinder Base Stud SetDescriptionCylinder base stud set features heat treating and interference thread at cylinder base. Fits:XL 1957-1971Additional Information OEM No.16830-54 UOM8 - PK ManufacturerV-Twin OriginUSA 2025 Catalog...$19.86 -
V-Twin - 12-2100 - Cylinder Base Stud Set
V-Twin
$23.51V-Twin - 12-2100 - Cylinder Base Stud SetDescriptionParkerized stud features heat treating and interference thread at cylinder base. Fits:FX 1971-1977UL 1937-1948VL 1930-1934EL 1936-1940FL 1941-1977Additional Information OEM No.16831-30 UOM8 - PK ...$23.51 -
V-Twin - 12-2070 - Crankcase Breather Valve
S&S Cycle
$159.90V-Twin - 12-2070 - Crankcase Breather ValveDescriptionCrankcase breather valve features 4 steel reed valves that will allow air and oil mist to escape from the engine crankcase.Breather fits TC-88A engines only. Fits:FLT 1999-2002FXD 1999-2002FLST...$159.90 -
V-Twin - 12-1995 - Distributor Drive Cam Chest Gear
Motorshop
$101.69V-Twin - 12-1995 - Distributor Drive Cam Chest GearDescriptionDistributor drive cam chest gear with thin profile gear features a solid style.The tooth wide is .350" for extra clearance. Check clearance with hi-lift cams. The overall width may have to be...$101.69 -
V-Twin - 12-1966 - Satin Rocker Arm Shaft End Caps
Motorshop
$8.62V-Twin - 12-1966 - Satin Rocker Arm Shaft End CapsDescriptionRocker shaft end caps are 7/16" X 20 thread pitch with a brushed nickel finish.Sold as a set of 4. Fits:FX 1971-1984FXR 1982-1983FL 1966-1984XL 1957-1985FLT 1980-1983Additional Information OEM...$8.62 -
V-Twin - 12-1953 - Cam Chest Breather Valve Plastic .005 Oversize
V-Twin
$19.86V-Twin - 12-1953 - Cam Chest Breather Valve Plastic .005 OversizeDescriptionPlastic breather valve is .005 oversize. Fits:FXST 1984-1999FLT 1977-1999FXD 1991-1999FXR 1982-1994FLST 1986-1999FX 1977-1984FLT 1979-1999FL 1977-1984Additional Information UOM1...$19.86 -
V-Twin - 12-1949 - Reed Breather Valve Stock Assembly
S&S Cycle
$199.91V-Twin - 12-1949 - Reed Breather Valve Stock AssemblyDescriptionS&S reed breather valve assembly with 3 steel reeds for Evolution models.S&S reed breather valve assembly features 3 steel reeds that are normally in the closed position, the downward...$199.91 -
V-Twin - 12-1945 - Cam Chest Breather Air Ramp
Motorshop
$36.24V-Twin - 12-1945 - Cam Chest Breather Air RampDescriptionCam chest breather air ramp breather gear removes more air and oil from crankcase.Requires removal of screen for installation. Gear must be ordered separately. Fits:FXST 1984-1998FXR 1982-1994FLT...$36.24 -
V-Twin - 12-1944 - Replica Oil Pump Assembly
Motorshop
$628.68V-Twin - 12-1944 - Replica Oil Pump AssemblyDescriptionReplica oil pump assembly includes cast outer cover without rotator. Pump is fitted with the late type oil pump relief valve kit. Body is zinc plated.Assembly will only work with 1941-1947 FL...$628.68 -
V-Twin - 12-1941 - 45 Connecting Rod Bearing Set
Motorshop
$49.88V-Twin - 12-1941 - 45 Connecting Rod Bearing SetDescriptionNew Old Stock" 45 connecting rod bearing set .0008 oversize includes cages. Fits:W 1929-1952G 1929-1972Additional Information UOM1 - SET ManufacturerMotorshop OriginUSA 2025 Catalog Pages797$49.88 -
V-Twin - 12-1803 - 45 inch DL Cylinder Head Stud Set
Colony
$68.18V-Twin - 12-1803 - 45 inch DL Cylinder Head Stud SetDescription45" DL cylinder head 3/8" x 24 stud set.Sold as a 14 piece set. Fits:DL 1929-1935Additional Information OEM No.16802-29 UOM1 - SET ManufacturerColony OriginUSA 2025 Catalog Pages796$68.18 -
V-Twin - 12-1772 - Scavenger Oil Pump Idler Gear
V-Twin
$39.22V-Twin - 12-1772 - Scavenger Oil Pump Idler GearDescriptionOil Pump Scavenger Idler Gear, 1972-1976 XL-XLCH. Fits:XL 1972-1976Additional Information OEM No.26317-72A UOM1 - EA ManufacturerV-Twin OriginUSA 2025 Catalog Pages863$39.22 -
V-Twin - 12-1766 - Pushrod 3/16 inch Steel Ball Bearing
V-Twin
$14.36V-Twin - 12-1766 - Pushrod 3/16 inch Steel Ball BearingDescriptionSteel pushrod ball bearing 3/16".Sold as a pack of 10. Fits:FL 1948-1952Additional Information OEM No.8854 UOM10 - PK ManufacturerV-Twin OriginUSA 2025 Catalog Pages495$14.36 -
V-Twin - 12-1764 - OE Rocker Arm Bushing
OE
$14.60V-Twin - 12-1764 - OE Rocker Arm BushingDescriptionOE rocker arm bushing. Fits:XL 1986-2021Additional Information OEM No.11000127 UOM1 - EA ManufacturerOE OriginUSA 2025 Catalog Pages173$14.60
Harley Engine
At Deadbeat Customs, we offer a wide selection of Harley engine parts built for performance, reliability, and long-lasting power. Whether you're rebuilding a vintage motor or upgrading a modern setup, we’ve got the top-end and bottom-end components you need to get the job done right.
We carry engine parts for a wide range of Harley Davidson models, including Dyna, Sportster, FXR, Touring, Softail, Shovelhead, and Panhead. From the classic Evo 1340 and Shovelhead to Twin Cam 88/96/103/110, and the modern Milwaukee-Eight 107/114/117, our catalog covers nearly every era of Harley engine design.
Choose from trusted brands like S&S Cycle, Fueling, Vance & Hines, and more—known for producing high-quality components that meet or exceed OEM standards.
Explore our full collection of Harley engine parts today and build your motor with confidence—because whether it’s vintage or modern, your Harley deserves the best from the inside out.