Engine
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Out of stock
V-Twin - 13-0190 - 45 inch WR Valve Spring Set
V-Twin
$72.75V-Twin - 13-0190 - 45 inch WR Valve Spring SetDescriptionValve spring 4 piece set features a parkerized finish for 45" WR models. Fits:W 1937-1952Additional Information UOM1 - SET ManufacturerV-Twin OriginImported 2025 Catalog Pages802$72.75 -
Out of stock
V-Twin - 12-9931 - Replica Cast Iron Oil Pump Assembly
Motorshop
$440.59V-Twin - 12-9931 - Replica Cast Iron Oil Pump AssemblyDescriptionReplica cast iron oil pump assembly includes the correct oil pressure switch.Assembly is exact for the years listed! Outer cover is die cast as original for accurate restoration details...$440.59 -
Out of stock
V-Twin - 12-9886 - Cam Chest Breather Valve Washer .140
Motorshop
$4.36V-Twin - 12-9886 - Cam Chest Breather Valve Washer .140Description.140 Steel cam chest breather valve washer with a Large hole. Fits:FLT 1979-1981FX 1979-1981FL 1979-1981Additional Information OEM No.25327-79 UOM1 - EA ManufacturerMotorshop OriginUSA$4.36 -
Out of stock
V-Twin - 12-9885 - Cam Chest Breather Valve Washer .135
Motorshop
$5.88V-Twin - 12-9885 - Cam Chest Breather Valve Washer .135Description.135 Steel cam chest breather valve washer with a Large hole. Fits:FLT 1979-1981FX 1979-1981FL 1979-1981Additional Information OEM No.25326-79 UOM1 - EA ManufacturerMotorshop OriginUSA$5.88 -
Out of stock
V-Twin - 12-9884 - Cam Chest Breather Valve Washer .130
Motorshop
$5.88V-Twin - 12-9884 - Cam Chest Breather Valve Washer .130Description.130 Steel cam chest breather valve washer with a Large hole. Fits:FLT 1979-1981FX 1979-1981FL 1979-1981Additional Information OEM No.25325-79 UOM1 - EA ManufacturerMotorshop OriginUSA$5.88 -
Out of stock
V-Twin - 12-9883 - Cam Chest Breather Valve Washer .125
Motorshop
$5.88V-Twin - 12-9883 - Cam Chest Breather Valve Washer .125Description.125 Steel cam chest breather valve washer with a Large hole. Fits:FLT 1979-1981FX 1979-1981FL 1979-1981Additional Information OEM No.25323-79 UOM1 - EA ManufacturerMotorshop OriginUSA$5.88 -
Out of stock
V-Twin - 12-9882 - Cam Chest Breather Valve Washer .120
Motorshop
$2.82V-Twin - 12-9882 - Cam Chest Breather Valve Washer .120Description.120 Steel cam chest breather valve washer with a Large hole. Fits:FLT 1979-1981FX 1979-1981FL 1979-1981Additional Information OEM No.25322-79 UOM1 - EA ManufacturerMotorshop OriginUSA$2.82 -
Out of stock
V-Twin - 12-9881 - Cam Chest Breather Valve Washer .115
Motorshop
$5.88V-Twin - 12-9881 - Cam Chest Breather Valve Washer .115Description.115 Steel cam chest breather valve washer with a Large hole. Fits:FLT 1979-1981FX 1979-1981FL 1979-1981Additional Information OEM No.25321-79 UOM1 - EA ManufacturerMotorshop OriginUSA$5.88 -
Out of stock
V-Twin - 12-6271 - Oil Pump Assembly
Motorshop
$515.63V-Twin - 12-6271 - Oil Pump AssemblyDescriptionOil pump assembly includes all parts assembled. Fits:XLH 1962-1971XLCH 1962-1971Additional Information UOM1 - EA ManufacturerMotorshop OriginImported 2025 Catalog Pages863 Replacement Items12-1507 - XL...$515.63 -
Out of stock
V-Twin - 12-4512 - Engine Case Roller Bearings .0004
Motorshop
$29.69V-Twin - 12-4512 - Engine Case Roller Bearings .0004DescriptionTorrington engine case roller bearings, .0004" oversize. Fits:UL 1940-1948FXR 1982-1986FLT 1979-1986FXST 1984-1986FX 1971-1984FLST 1986-1986FL 1958-1984FL 1940-1954Additional Information OEM...$29.69 -
Out of stock
V-Twin - 12-2129 - Oil Pump Stud
V-Twin
$19.88V-Twin - 12-2129 - Oil Pump StudDescriptionShort type oil pump stud with a 1/4" x 24 thread. Stud measures 1/4"x 1-7/16" long.Sold in a pack of 5. Fits:FL 1941-1954Additional Information OEM No.24819-37 UOM5 - PK ManufacturerV-Twin OriginImported$19.88 -
Out of stock
V-Twin - 12-1947 - Cast Iron Oil Pump Sub Assembly
Motorshop
$576.11V-Twin - 12-1947 - Cast Iron Oil Pump Sub AssemblyDescriptionCast iron oil pump assembly includes cast outer cover without rotator. Pump is fitted with the later type oil pump relief valve kit.Cover has correct shape for 1948-1949 models and does not use...$576.11 -
Out of stock
V-Twin - 12-1872 - Oil Pump Feed Gear
Motorshop
$32.67V-Twin - 12-1872 - Oil Pump Feed GearDescriptionOil pump feed gear features slots on each side of the surface. Fits:XL 1962-1971Additional Information OEM No.26323-62 UOM1 - EA ManufacturerMotorshop OriginUSA 2025 Catalog Pages863$32.67 -
Out of stock
V-Twin - 12-1765 - Sifton Thin Tappet Lock Nut Set
Sifton
$23.75V-Twin - 12-1765 - Sifton Thin Tappet Lock Nut SetDescriptionSifton thin tappet lock nuts with 5/16" x 32 thread for solid tappets on Big Twin and Sportster models.Easy installation allows the pushrod covers and pushtods as the tappet can be lowered more...$23.75 -
Out of stock
V-Twin - 12-1763 - Head Breather Stud Zinc
Motorshop
$39.95V-Twin - 12-1763 - Head Breather Stud ZincDescriptionHead breather stud is zinc plated with a thread of 5/16 x 24. Fits:EL 1936-1938Additional Information UOM1 - EA ManufacturerMotorshop OriginImported 2025 Catalog Pages553$39.95 -
Out of stock
V-Twin - 12-1568 - Replica Cam Chest Breather Valve Standard Size
V-Twin
$86.06V-Twin - 12-1568 - Replica Cam Chest Breather Valve Standard SizeDescriptionReplica standard size cam chest breather valve is constructed of precision ground steel with screen installed.Order thrust washers separately. ...$86.06 -
Out of stock
V-Twin - 12-1541 - Cam Chest Breather Kit
Motorshop
$41.02V-Twin - 12-1541 - Cam Chest Breather KitDescriptionCam chest breather kit includes cam chest breather deflector pinion shaft breather seal spring, breather pipe, and oil transfer valve. Fits:XL 1957-1978KH 1954-1956Additional Information UOM1 - KIT ...$41.02 -
Out of stock
V-Twin - 12-1522 - Tappet Oil Screen
Motorshop
$19.88V-Twin - 12-1522 - Tappet Oil ScreenDescriptionTappet oil screen is exact replacement OEM 24975-52 Fits:FL 1952-1962Additional Information OEM No.24975-52 UOM1 - EA ManufacturerMotorshop OriginImported 2025 Catalog Pages494$19.88 -
Out of stock
V-Twin - 12-1509 - Cam Chest Breather Valve Washer Set
Motorshop
$27.33V-Twin - 12-1509 - Cam Chest Breather Valve Washer SetDescriptionCam chest breather valve washer set is made of steel. Kit 1 each of the following: .110, .115, .120, and .125 washers.Set of four. Fits:FL 1950-1978FX 1971-1978Additional Information OEM...$27.33 -
Out of stock
V-Twin - 12-1505 - Sifton Oil Pump Drive Gear Kit
Motorshop
$77.15V-Twin - 12-1505 - Sifton Oil Pump Drive Gear KitDescriptionSifton high flow pinion shaft oil pump drive gear for 1939- 1953 Overhead Valve Big Twins. 6 tooth gear increases oil flow rate by approximately 25%. Fits:FL 1941-1953EL 1939-1940Additional...$77.15 -
Out of stock
V-Twin - 12-1502 - Distributor Drive Gear
Motorshop
$94.06V-Twin - 12-1502 - Distributor Drive GearDescriptionDistributor drive gear features an overall width of 1.7750". Includes inner and outer pressed in bushings. Fits:FL 1941-1969EL 1936-1952Additional Information UOM1 - EA ManufacturerMotorshop ...$94.06 -
Out of stock
V-Twin - 12-1490 - Oil Pump Check Valve Kit
Motorshop
$54.90V-Twin - 12-1490 - Oil Pump Check Valve KitDescriptionCheck valve kit includes ball, spring and cap. Fits:FX 1971-1980FL 1941-1955EL 1936-1940Additional Information UOM1 - KIT ManufacturerMotorshop OriginUSA 2025 Catalog Pages494 Replacement...$54.90 -
Out of stock
V-Twin - 12-1489 - Oil Pump Check Valve Kit
Motorshop
$28.04V-Twin - 12-1489 - Oil Pump Check Valve KitDescriptionCheck valve kit for 1956-1965 Big Twin Fits:FL 1956-1965Additional Information UOM1 - KIT ManufacturerMotorshop OriginUSA 2025 Catalog Pages494 Replacement Items13-0114 - Oil Pump Check Valve...$28.04 -
Out of stock
V-Twin - 12-1293 - Replica Oil Pump Drive Gear
Motorshop
$40.02V-Twin - 12-1293 - Replica Oil Pump Drive GearDescriptionReplica Oil Pump Drive Gear. Fits:FL 1941-1967EL 1936-1940Additional Information OEM No.26320-36 UOM1 - EA ManufacturerMotorshop OriginImported$40.02 -
Out of stock
V-Twin - 12-1285 - Replica Oil Pump Drive Feed Gear
Motorshop
$45.87V-Twin - 12-1285 - Replica Oil Pump Drive Feed GearDescriptionReplica oil pump drive feed gear is the narrow type.Oil pump drive feed gear has groove to drive the Knuckleheaed oil pump governer rotor. Fits:EL 1936-1947Additional Information OEM No...$45.87 -
Out of stock
V-Twin - 12-1281 - Scavenger Oil Pump Gear
V-Twin
$93.75V-Twin - 12-1281 - Scavenger Oil Pump GearDescriptionSide Valve scavenger oil pump gear features a double evacuation window, for more scaveging action. Fits:UL 1937-1952G 1937-1973Additional Information OEM No.26331-37 UOM1 - EA ManufacturerV-Twin ...$93.75 -
Out of stock
V-Twin - 12-1245 - Side Valve Oil Pump Governor
V-Twin
$84.52V-Twin - 12-1245 - Side Valve Oil Pump GovernorDescriptionSide Valve oil pump holder feed pump vane. Fits:G 1941-1973Additional Information OEM No.26270-41 UOM1 - EA ManufacturerV-Twin OriginImported$84.52 -
Out of stock
V-Twin - 12-1244 - Side Valve Oil Pump Bypass Ball Retainer
V-Twin
$84.52V-Twin - 12-1244 - Side Valve Oil Pump Bypass Ball RetainerDescriptionBypass ball retainer for Side Valve oil pumps. Fits:G 1941-1973Additional Information OEM No.26381-37 UOM1 - EA ManufacturerV-Twin OriginImported$84.52 -
Out of stock
V-Twin - 12-1115 - Evolution Pinion Gear
V-Twin
$66.57V-Twin - 12-1115 - Evolution Pinion GearDescriptionRed Evolution pinion gear with recess for nut. Fits:FL 1990-1999FX 1990-1999Additional Information UOM1 - EA ManufacturerV-Twin OriginImported$66.57 -
Out of stock
V-Twin - 12-0970 - Oil Filter Cap Retaining Ring
Eastern
$17.86V-Twin - 12-0970 - Oil Filter Cap Retaining RingDescriptionOil Filter Cap Retaining Ring Fits:KH 1952-1956XLH 1957-1978Additional Information OEM No.11012 UOM10 - PK ManufacturerEastern OriginUSA 2025 Catalog Pages742$17.86 -
Out of stock
V-Twin - 12-0896 - Knucklehead Oil Pump Assembly with Rotator
V-Twin
$474.26V-Twin - 12-0896 - Knucklehead Oil Pump Assembly with RotatorDescriptionKnucklehead oil pump assembly with rotator.*NOTE: Includes governor rotor. Fits:FL 1941-1947EL 1941-1947Additional Information UOM1 - KIT ManufacturerV-Twin OriginImported 2025...$474.26 -
Out of stock
V-Twin - 12-0883 - Replica Cast Iron Oil Pump Assembly
V-Twin
$515.01V-Twin - 12-0883 - Replica Cast Iron Oil Pump AssemblyDescriptionFL cast iron oil pump sub assembly is zinc plated.Has correct shape cover, but does not use governor rotor. Oil pump is assembled as an accurate replica with all components that are...$515.01 -
Out of stock
V-Twin - 12-0879 - Parkerized Oil Pump Cover
Motorshop
$72.75V-Twin - 12-0879 - Parkerized Oil Pump CoverDescriptionCast oil pump cover for Knucklehead and early Panhead models features a parkerized finish, and accepts the centrifugal valve.Uses governor rotor. Does not have provision for rear chain oiler. Fits:FL...$72.75 -
Out of stock
V-Twin - 12-0876 - Knucklehead Oil Pump Body Zinc Plated
V-Twin
$156.03V-Twin - 12-0876 - Knucklehead Oil Pump Body Zinc PlatedDescriptionKnucklehead oil pump body is constructed of cast iron and has the early relief valve extension. Features a zinc plated finish.This changed in 1948, by adding a "D" for a change in the...$156.03 -
Out of stock
V-Twin - 12-0875 - 1938 Knucklehead Oil Pump Body Cast Iron
V-Twin
$569.58V-Twin - 12-0875 - 1938 Knucklehead Oil Pump Body Cast IronDescriptionCast iron and machined Knucklehead oil pump body is the specific shape for 1938 models to be exact. Fits:EL 1936-1940Additional Information UOM1 - EA ManufacturerV-Twin ...$569.58 -
Out of stock
V-Twin - 12-0874 - Partial Oil Pump Assembly
Motorshop
$238.29V-Twin - 12-0874 - Partial Oil Pump AssemblyDescription2020 New Production partial oil pump assembly includes 4 gears and 1 shaft.*NOTE: Keys and snap rings not included, must order separately. Fits:FL 1949-1964Additional Information UOM1 - KIT ...$238.29 -
Out of stock
V-Twin - 12-0855 - Oil Pump Parts Kit
Motorshop
$185.67V-Twin - 12-0855 - Oil Pump Parts KitDescriptionOil pump parts kit includes all parts except cover and body.Kits are year specific for each OE body style and fitment. Not for S&S oil pumps. Fits:FL 1968-1969Additional Information UOM1 - KIT ...$185.67 -
Out of stock
V-Twin - 12-0850 - Partial Oil Pump Assembly
V-Twin Manufacturing
$252.80V-Twin - 12-0850 - Partial Oil Pump AssemblyDescription2020 New Production partial oil pump assembly includes the body, 2 shafts and 1 gear. The welch plug is installed.*NOTE: Keys and snap rings not included, must order separately. Fits:FL 1941-1947EL...$252.80 -
Out of stock
V-Twin - 12-0826 - Chrome Rocker Shaft End Plug Set
V-Twin
$36.25V-Twin - 12-0826 - Chrome Rocker Shaft End Plug SetDescriptionChrome rocker shaft end plug set have an allen style head. Sold as a set of 4. Fits:FL 1971-1984XL 1971-1985FLT 1979-1983FX 1971-1984FXR 1982-1983Additional Information UOM1 - SET ...$36.25 -
Out of stock
V-Twin - 12-0825 - Reverse Distributor Gear Kit
Motorshop
$317.49V-Twin - 12-0825 - Reverse Distributor Gear KitDescriptionReverse rotation gear kit includes timer gear, cam chest idler gear, circuit breaker gear, and gear pins for magneto and distributor. Fits:FL 1941-1969EL 1935-1952Additional Information UOM1 -...$317.49
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.