Engine
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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 - 12-4512 - 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 - 12-1763 - 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 - 12-1509 - 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 - 12-1502 - 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 - 12-1478 - Oil Pump Bypass Valve Kit
Motorshop
$59.92V-Twin - 12-1478 - Oil Pump Bypass Valve KitDescriptionOil pump bypass valve kit includes spring, plug and screw. Fits:UL 1937-1948G 1941-1973WL 1941-1952VL 1933-1936Additional Information UOM1 - KIT ManufacturerMotorshop OriginUSA 2025 Catalog...$59.92 -
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 - 12-1115 - 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 - 12-0826 - 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 -
Out of stock
V-Twin - 12-0793 - Cam Chest Breather Valve Gear
V-Twin
$93.75V-Twin - 12-0793 - Cam Chest Breather Valve GearDescriptionCam chest breather valve gear is machined and designed to replace orignal ground steel units.*NOTE: Order 8 piece thrust washer separately. Fits:FL 1941-1947Additional Information UOM1 - EA ...$93.75 -
Out of stock
V-Twin - 12-0612 - Jims Pinion Shaft Nut 3/4 inch-18
Jims
$56.00V-Twin - 12-0612 - Jims Pinion Shaft Nut 3/4 inch-18DescriptionJims pinion shaft nut with tapered end measures 3/4"-18. Fits:UL 1937-1948VL 1930-1934FLT 1979-1981EL 1936-1940FX 1971-1981FL 1941-1981Additional Information OEM No.24023-36 UOM1 - EA ...$56.00 -
Out of stock
V-Twin - 12-0455 - XL Pinion Gear
Motorshop
$51.45V-Twin - 12-0455 - XL Pinion GearDescriptionXL pinion gear. Fits:XL 1974-1985Additional Information OEM No.24059-74 UOM1 - EA ManufacturerMotorshop OriginImported 2025 Catalog Pages843$51.45 -
Out of stock
V-Twin - 12-0433 - Crankcase Sprocket Shaft Roller Bearing Retainer
Motorshop
$39.22V-Twin - 12-0433 - Crankcase Sprocket Shaft Roller Bearing RetainerDescriptionCrankcase sprocket shaft roller bearing retainer.Sold as a pair. *NOTE: Some applications use a 1.35" O.D. cage. Fits:DL 1929-1931WL 1932-1952G 1932-1973Additional Information ...$39.22 -
Out of stock
V-Twin - 12-0110 - Side Valve Feed Pump Kit
Motorshop
$415.00V-Twin - 12-0110 - Side Valve Feed Pump KitDescriptionSide valve feed pump kit includes complete cast iron pump assembly, feed pump upgrade and mount kit.Kit includes a cast iron oil pump assembly, which features a quad vane upgrade rotor, with hardware...$415.00 -
Out of stock
V-Twin - 11-1855 - Sifton Pushrod Cover Kit
Sifton
$107.60V-Twin - 11-1855 - Sifton Pushrod Cover KitDescriptionSifton pushrod cover kit for Panhead motors. Fits:FL 1948-1965Additional Information UOM1 - KIT ManufacturerSifton OriginImported$107.60 -
Out of stock
V-Twin - 11-1853 - Sifton Pushrod Cover Kit
V-Twin
$127.85V-Twin - 11-1853 - Sifton Pushrod Cover KitDescriptionSifton pushrod cover kit features an alloy finish and comes complete with steel inner tubes. Set is for use with Shovelhead engines. Fits:FL 1966-1984Additional Information UOM1 - SET ...$127.85 -
Out of stock
V-Twin - 11-1793 - 45 inch Piston Ring .070 Oversize
Motorshop
$83.25V-Twin - 11-1793 - 45 inch Piston Ring .070 OversizeDescriptionV-Twin Motorshop piston ring, .070 with 1/8" oil ring and 3/32" compression ring for 45" engine. Fits:WLA 1937-1955 45"G 1937-1952 45"Additional Information UOM1 - KIT ...$83.25 -
Out of stock
V-Twin - 11-1792 - 45 inch Piston Ring .060 Oversize
Motorshop
$107.62V-Twin - 11-1792 - 45 inch Piston Ring .060 OversizeDescriptionV-Twin Motorshop piston ring, .060 with 1/8" oil ring and 3/32" compression ring for 45" engine. Fits:WLA 1937-1955 45"G 1937-1952 45"Additional Information UOM1 - KIT ...$107.62 -
Out of stock
V-Twin - 11-1791 - Alloy Pushrod Cover Clip
Motorshop
$39.95V-Twin - 11-1791 - Alloy Pushrod Cover ClipDescriptionAlloy pushrod cover clip features a natural finish. Fits:FXST 1984-1998FX 1948-1970FLT 1984-1998FL 1948-1970FXD 1991-1998FXR 1984-1994FLST 1986-1998Additional Information UOM1 - SET FinishNatural ...$39.95 -
Out of stock
V-Twin - 11-1790 - 45 inch Piston Ring .050 Oversize
Motorshop
$83.25V-Twin - 11-1790 - 45 inch Piston Ring .050 OversizeDescriptionV-Twin Motorshop piston ring, .050 with 1/8" oil ring and 3/32" compression ring. Fits:WLA 1937-1955 45"G 1937-1952 45"Additional Information UOM1 - KIT ManufacturerMotorshop ...$83.25 -
Out of stock
V-Twin - 11-1787 - Evolution Alloy Pushrod Cover Clip Set
Motorshop
$45.40V-Twin - 11-1787 - Evolution Alloy Pushrod Cover Clip SetDescriptionEvolution alloy pushrod cover clip set is sold in a quantity of four. Fits:FL 1966-1984FX 1966-1984Additional Information UOM1 - SET ManufacturerMotorshop OriginImported Tech...$45.40 -
Out of stock
V-Twin - 11-1785 - 45 inch Piston Ring .030 Oversize
Motorshop
$132.28V-Twin - 11-1785 - 45 inch Piston Ring .030 OversizeDescriptionV-Twin Motorshop piston ring, .030 with 1/8" oil ring and 3/32" compression ring for 45" engine. Fits:WLA 1937-1955 45"G 1937-1952 45"Additional Information UOM1 - KIT ...$132.28 -
Out of stock
V-Twin - 11-1761 - 1270CC Piston Ring Set
Motorshop
$41.76V-Twin - 11-1761 - 1270CC Piston Ring SetDescription1200cc piston ring set is Ricken brand. Fits:XL 1986-UPAdditional Information UOM1 - SET ManufacturerMotorshop OriginImported$41.76 -
Out of stock
V-Twin - 11-1755 - 103 inch Twin Cam Cylinder and Piston Kit
Motorshop
$735.33V-Twin - 11-1755 - 103 inch Twin Cam Cylinder and Piston KitDescriptionThis kit increases displacement of the TC-96 models to produce 103cc with stock flywheels. Features a 9:1 compression.These cylinders require no crankcase machining and are finished...$735.33 -
Out of stock
V-Twin - 11-1754 - 103 inch Twin Cam Cylinder and Piston Kit
Motorshop
$755.24V-Twin - 11-1754 - 103 inch Twin Cam Cylinder and Piston KitDescriptionThis kit increases displacement of the TC-96 models to produce 103cc with stock flywheels.These cylinders require no crankcase machining and are finished honed and include Wiseco...$755.24 -
Out of stock
V-Twin - 11-1713 - Rear Panhead Cylinder
Motorshop
$178.49V-Twin - 11-1713 - Rear Panhead CylinderDescriptionRear Panhead cylinder does not come with the piston.*NOTE: Oil feeds rockers from inside cylinder - use correct base gaskets to seal drain oil passage. Fits:FLH 1955-1962Additional Information UOM1 - EA...$178.49 -
Out of stock
V-Twin - 11-1711 - Front Panhead Cylinder
Motorshop
$178.49V-Twin - 11-1711 - Front Panhead CylinderDescriptionFront Panhead cylinder does not come with the piston.*NOTE: Oil feeds rockers from inside cylinder - use correct base gaskets to seal drain oil passage. Fits:FLH 1955-1962Additional Information UOM1 -...$178.49 -
Out of stock
V-Twin - 11-1689 - 74 inch Knucklehead Front Cylinder
V-Twin
$214.20V-Twin - 11-1689 - 74 inch Knucklehead Front CylinderDescriptionFront cylinder fits Knucklehead 1941-1947 74" models. Features MC cast factory markings.Bore size finished with .025 clearance. Fits:FL 1941-1947Additional Information UOM1 - EA ...$214.20 -
Out of stock
V-Twin - 11-1575 - 95 inch Big Bore Twin Cam Cylinder and Piston Kit
Motorshop
$679.08V-Twin - 11-1575 - 95 inch Big Bore Twin Cam Cylinder and Piston KitDescription95" Big Bore bolt on cylinder kit wil increase TC-88 engines to 95". Kit includes black cylinders with 9.3:1 cast pistons and hasting rings. Pistons are pre fitted to...$679.08 -
Out of stock
V-Twin - 11-1570 - Replica 74 inch Knucklehead Cylinder Kit Black
Motorshop
$826.01V-Twin - 11-1570 - Replica 74 inch Knucklehead Cylinder Kit BlackDescription2022 New Production Replica 74" Knucklehead cylinder set with 5 fins and black finish features cast iron construction with original markings. Pre-fitted with standard cast 8.5:1...$826.01 -
Out of stock
V-Twin - 11-1547 - 1936 Knucklehead Rocker Arm Set
V-Twin
$747.46V-Twin - 11-1547 - 1936 Knucklehead Rocker Arm SetDescription1936 Knucklehead rocker arm set is nickel plated and is for use with exposed rocker arms on 1936-1937 EL models only.Buttons are removeable. Remove steel plugs indicated by the arrows. *NOTE:...$747.46
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.