Engine
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Colony - 7612-3 Cadmium Oil Line Fitting fits '36-'40 EL, '41-'64 FL, '38-'48 UL Models (OEM #63533-15)
Colony Machine
$25.75Colony - 7612-3 Cadmium Oil Line Fitting fits '36-'40 EL, '41-'64 FL, '38-'48 UL Models (OEM #63533-15) Cadmium Oil Line Fitting Fitment: EL 1936-1940 FL 1941-1964 UL 1938-1948$25.75 -
Colony - Hydraulic Pushrods fits '66-'84 Shovelhead w/ Hydraulic Lifters (OEM #17904-66)
Colony Machine
$74.95Colony - Hydraulic Pushrods fits '66-'84 Shovelhead w/ Hydraulic Lifters (OEM #17904-66) Features: Aircraft-grade aluminum tubing Heat-treated steel tips Fits stock stroke lengths Made in the U.S.A...$74.95 -
Colony - Cylinder Base Nut Kit fits '36-'77 Big Twin Models (OEM #0265, 7839)
Colony Machine
$22.95Colony - Cylinder Base Nut Kit fits '36-'77 Big Twin Models (OEM #0265, 7839) Features: Individual chrome bolt and nut sets for specific applications Made in the U.S.A. Fitment 2003-2006 Kawasaki KDX 50 - - 1978-2006 Suzuki JR...$22.95 -
Colony - Oil Pump Plug Kit fits Big Twin Models (OEM #26263-80)
Colony Machine
$28.95Colony - Oil Pump Plug Kit fits Big Twin Models (OEM #26263-80) Features: Plug and plug kits designed for a variety of Harley-Davidson® oil systems Complete with washers (or O-rings if required) Made in the U.S.A...$28.95 -
Colony - 74" Pushrod Kit fits '48-'52 Panhead w/ Solid Lifters (OEM #17905-48)
Colony Machine
$57.95Colony - 74" Pushrod Kit fits '48-'52 Panhead w/ Solid Lifters (OEM #17905-48) Features: Aircraft-grade aluminum tubing Heat-treated steel tips Fits stock stroke lengths Made in the U.S.A. Fitment: 1949-1952 Harley-Davidson Hydra Glide EL - - ...$57.95 -
Colony - Replacement Cylinder Stud Set fits '86-'22 Sportster Models (Except RH Sportster (OEM #16832-86A))
Colony Machine
$88.95Colony - Replacement Cylinder Stud Set fits '86-'22 Sportster Models (Except RH Sportster (OEM #16832-86A)) Features: Heat-treated for strength and durability Equal or surpass original equipment Fitment 2016-2019 Harley-Davidson 1200...$88.95 -
Colony - Cylinder Base Spacer Kit fits '78-'84 Big Twin Models (OEM #16836-78)
Colony Machine
$24.95Colony - Cylinder Base Spacer Kit fits '78-'84 Big Twin Models (OEM #16836-78) Features: Individual chrome bolt and nut sets for specific applications Made in the U.S.A. Fitment 1984 Harley-Davidson Electra Glide Special...$24.95 -
Colony Machine - Motor Mount Bolt Covers fits '00-'17 Softail Models
Colony Machine
$28.95Colony Machine - Motor Mount Bolt Covers fits '00-'17 Softail Models The Colony Machine Motor Mount Bolt Covers have a smooth finish and are 100% manufactured in the U.S.A. Colony Machine is one of the best-known brands for the DIY bikers, specializing...$28.95 -
Colony - 8138-34 Cadmium Stock Engine Case Bolt Kit fits '65-'69 FL Model
Colony Machine
$59.60Colony - 8138-34 Cadmium Stock Engine Case Bolt Kit fits '65-'69 FL Model Engine case kit includes all the necessary hardware to bolt together engine cases. Fitment: FL 1965-1969$59.60 -
On Sale
Colony - Engine Case Seal - fits '55-'68 FL
Colony Machine
MSRP: $53.20Now: $46.99Was: $53.20Engine case seal .002 oversize. Fits: FL 1955-1968MSRP: $53.20Now: $46.99Was: $53.20 -
Colony - 8107-16 Cadmium Cylinder Base Nuts and Washers fits '29-'52 WL, '57-'85 XL, '32-'73 G Models
Colony Machine
$23.67Colony - 8107-16 Cadmium Cylinder Base Nuts and Washers fits '29-'52 WL, '57-'85 XL, '32-'73 G Models Cadmium stock cylinder base set includes 8 nuts & washers. Fitment: WL 1929-1952 XL 1957-1985 G 1932-1973$23.67 -
On Sale
Colony - Cylinder Stud Set - fits '86-Up XL
Colony Machine
MSRP: $88.95Now: $81.99Was: $88.95Colony cylinder stud set. 8pack Fits: XL 1986-UP EvolutionMSRP: $88.95Now: $81.99Was: $88.95 -
On Sale
Colony - Tappet Base Allen Screws - Chrome fits '57-'84 XL
Colony Machine
MSRP: $16.98Now: $14.99Was: $16.98Tappet base allen screws. Chrome finish Fits: XL 1957-1984MSRP: $16.98Now: $14.99Was: $16.98 -
Colony - Rocker Shaft End Caps - Chrome fits Harley FL, FX, and XL (see desc.)
Colony Machine
$41.99Rocker shaft end caps, chrome finish. Fits: FL 1971-1984 FX 1971-1984 FLT 1979-1983 FXR 1982-1983 XL 1971-1985$41.99 -
On Sale
Colony - Hex Head Bolts - Chrome fits '57-'72 XL
Colony Machine
MSRP: $69.95Now: $64.99Was: $69.95Hex head bolt, chrome finish. Fits: XL 1957-1972MSRP: $69.95Now: $64.99Was: $69.95 -
V-Twin - 15-1514 - V-Twin Top End Gasket Kit
Cometic
$130.12V-Twin - 15-1514 - V-Twin Top End Gasket KitDescriptionTop end gasket kit is for 2000-2006 FXST, FLST, FXD and FLT models. Fits:Replacement applicationAdditional Information UOM1 - KIT ManufacturerCometic OriginUSA 2025 Catalog Pages186$130.12 -
V-Twin - 15-1479 - Cometic AFM Cam Change Kit
Cometic
$48.83V-Twin - 15-1479 - Cometic AFM Cam Change KitDescriptionCometic AFM cam change kit includes rocker cover gasket.*NOTE: AFM denotes foam surface that is bonded to aluminum. Fits:FLT 2017-UPFXST 2018-UPAdditional Information UOM1 - KIT ...$48.83 -
V-Twin - 15-1478 - Cometic AFM Cam Cover Gasket
Cometic
$45.09V-Twin - 15-1478 - Cometic AFM Cam Cover GasketDescriptionCometic AFM cam cover gasket measures .032" thick.*NOTE: AFM denotes foam surface that is bonded to aluminum. Fits:FLT 2017-UPFXST 2018-UPAdditional Information OEM No.25700370 UOM5 - PK ...$45.09 -
V-Twin - 15-1477 - Cometic AFM Primary Derby Cover Gasket
Cometic
$15.88V-Twin - 15-1477 - Cometic AFM Primary Derby Cover GasketDescriptionCometic AFM primary derby cover gasket.*NOTE: AFM denotes foam surface that is bonded to aluminum. Fits:FLT 2017-UPFXST 2018-UPAdditional Information OEM No.25416-16 UOM1 - EA ...$15.88 -
V-Twin - 15-1476 - Cometic AFM Primary Gasket Kit
Cometic
$44.62V-Twin - 15-1476 - Cometic AFM Primary Gasket KitDescriptionCometic AFM primary gasket measures .032" thick. Kit includes primary, derby and inspection gaskets.*NOTE: AFM denotes foam surface that is bonded to aluminum. Fits:FXST 2018-UPAdditional...$44.62 -
V-Twin - 15-1475 - Cometic AFM Primary Cover Gasket and Seal Kit
Cometic
$79.35V-Twin - 15-1475 - Cometic AFM Primary Cover Gasket and Seal KitDescriptionCometic AFM primary cover gasket and seal kit.*NOTE: AFM denotes foam surface that is bonded to aluminum. Fits:FXST 2018-UPAdditional Information OEM No.25701007 UOM1 - KIT ...$79.35 -
V-Twin - 15-1474 - M8 Cam Change Gasket Kit
Cometic
$41.15V-Twin - 15-1474 - M8 Cam Change Gasket KitDescriptionCometic cam change gasket kit for M8 models. Fits:FLT 2017-UPFXST 2018-UPAdditional Information OEM No.25700731 UOM1 - KIT ManufacturerCometic OriginUSA 2025 Catalog Pages167$41.15 -
V-Twin - 15-1473 - M8 AFM Primary Cover Gasket
Cometic
$59.52V-Twin - 15-1473 - M8 AFM Primary Cover GasketDescriptionCometic AFM primary cover gasket for M8 models.*NOTE: AFM denotes foam surface that is bonded to aluminum. Fits:FLT 2017-UPAdditional Information OEM No.25700378 UOM1 - EA ManufacturerCometic ...$59.52 -
V-Twin - 15-1328 - Cometic Derby Gasket
Cometic
$11.94V-Twin - 15-1328 - Cometic Derby GasketDescriptionCometic AFM 3 hole derby gasket.*NOTE: AFM denotes foam surface that is bonded to aluminum. Fits:FXST 1984-1998FLST 1986-1998Additional Information UOM1 - EA ManufacturerCometic OriginUSA ...$11.94 -
V-Twin - 15-1327 - Cometic Primary Gasket
Cometic
$44.62V-Twin - 15-1327 - Cometic Primary GasketDescriptionCometic AFM primary gasket.*NOTE: AFM denotes foam surface that is bonded to aluminum. Fits:FLT 2007-UPAdditional Information UOM1 - EA ManufacturerCometic OriginUSA TypeIndividual Gaskets 2025...$44.62 -
V-Twin - 15-1326 - Cometic Primary Gasket and Seal Kit
Cometic
$111.09V-Twin - 15-1326 - Cometic Primary Gasket and Seal KitDescriptionCometic AFM primary gasket and seal kit.*NOTE: AFM denotes foam surface that is bonded to aluminum. Fits:FLT 2007-UPAdditional Information UOM1 - KIT ManufacturerCometic OriginUSA ...$111.09 -
V-Twin - 15-1324 - Cometic Cam Cover Gasket
Cometic
$19.30V-Twin - 15-1324 - Cometic Cam Cover GasketDescriptionCometic AFM cam cover gasket.*NOTE: AFM denotes foam surface that is bonded to aluminum. Fits:XL 1991-2003Additional Information UOM1 - EA ManufacturerCometic OriginUSA 2025 Catalog Pages1313$19.30 -
V-Twin - 15-1323 - Cometic Cam Cover Gasket
Cometic
$13.86V-Twin - 15-1323 - Cometic Cam Cover GasketDescriptionCometic AFM cam cover gasket.*NOTE: AFM denotes foam surface that is bonded to aluminum. Fits:XL 2004-UPAdditional Information UOM1 - EA ManufacturerCometic OriginUSA 2025 Catalog Pages1313$13.86 -
V-Twin - 15-1322 - Cometic Primary Gasket
Cometic
$34.44V-Twin - 15-1322 - Cometic Primary GasketDescriptionCometic AFM primary gasket.*NOTE: AFM denotes foam surface that is bonded to aluminum. Fits:XL 1986-1990Additional Information UOM1 - EA ManufacturerCometic OriginUSA TypeIndividual Gaskets 2025...$34.44 -
V-Twin - 15-1321 - Cometic Primary Gasket
Cometic
$33.75V-Twin - 15-1321 - Cometic Primary GasketDescriptionCometic AFM primary gasket.*NOTE: AFM denotes foam surface that is bonded to aluminum. Fits:XL 1991-2003Additional Information UOM1 - EA ManufacturerCometic OriginUSA TypeIndividual Gaskets 2025...$33.75 -
V-Twin - 15-1320 - Cometic Primary Gasket
Cometic
$34.44V-Twin - 15-1320 - Cometic Primary GasketDescriptionCometic AFM primary gasket.*NOTE: AFM denotes foam surface that is bonded to aluminum. Fits:XL 2004-UPAdditional Information UOM1 - EA ManufacturerCometic OriginUSA TypeIndividual Gaskets 2025...$34.44 -
V-Twin - 15-1318 - Cometic Cam Cover Gasket
Cometic
$17.88V-Twin - 15-1318 - Cometic Cam Cover GasketDescriptionCometic AFM cam cover gasket.*NOTE: AFM denotes foam surface that is bonded to aluminum. Fits:FL 1970-1984FXD 1991-1992FXR 1982-1992FX 1971-1984FXST 1984-1992FLT 1979-1992FLST 1986-1992Additional...$17.88 -
V-Twin - 15-1315 - Cometic Derby Gasket
Cometic
$12.52V-Twin - 15-1315 - Cometic Derby GasketDescriptionCometic AFM derby gasket.*NOTE: AFM denotes foam surface that is bonded to aluminum. Fits:FL 1970-1984FX 1970-1984Additional Information UOM1 - EA ManufacturerCometic OriginUSA TypeIndividual Gaskets ...$12.52 -
V-Twin - 15-1314 - Cometic Derby Gasket
Cometic
$11.94V-Twin - 15-1314 - Cometic Derby GasketDescriptionCometic AFM 5 hole derby gasket.*NOTE: AFM denotes foam surface that is bonded to aluminum. Fits:FLST 1999-2006FLT 1999-2006FXD 1999-2005Additional Information UOM1 - EA ManufacturerCometic OriginUSA ...$11.94 -
V-Twin - 15-1312 - Cometic Inspection Cover Gasket
Cometic
$13.94V-Twin - 15-1312 - Cometic Inspection Cover GasketDescriptionCometic AFM inspection cover gasket.*NOTE: AFM denotes foam surface that is bonded to aluminum. Fits:FXR 1985-1994FLT 1985-UPAdditional Information UOM1 - EA ManufacturerCometic OriginUSA ...$13.94 -
V-Twin - 15-1311 - Cometic Inspection Cover Gasket
Cometic
$11.88V-Twin - 15-1311 - Cometic Inspection Cover GasketDescriptionCometic AFM inspection cover gasket.*NOTE: AFM denotes foam surface that is bonded to aluminum. Fits:FXD 1989-2005FLST 1986-2006FXST 1984-2006FL 1965-1984FX 1971-1984Additional Information ...$11.88 -
V-Twin - 15-1310 - Cometic Primary Gasket
Cometic
$44.62V-Twin - 15-1310 - Cometic Primary GasketDescriptionCometic AFM primary gasket.*NOTE: AFM denotes foam surface that is bonded to aluminum. Fits:FL 1965-1984FX 1971-1984Additional Information UOM1 - EA ManufacturerCometic OriginUSA TypeIndividual...$44.62 -
V-Twin - 15-1309 - Cometic Primary Gasket
Cometic
$44.62V-Twin - 15-1309 - Cometic Primary GasketDescriptionCometic AFM primary gasket.*NOTE: AFM denotes foam surface that is bonded to aluminum. Fits:FLT 1980-1993FXR 1982-1993Additional Information UOM1 - EA ManufacturerCometic OriginUSA TypeIndividual...$44.62 -
V-Twin - 15-1308 - Cometic Primary Gasket
Cometic
$44.62V-Twin - 15-1308 - Cometic Primary GasketDescriptionCometic AFM primary gasket.*NOTE: AFM denotes foam surface that is bonded to aluminum. Fits:FLT 1994-2006FXR 1994-1994Additional Information UOM1 - EA ManufacturerCometic OriginUSA TypeIndividual...$44.62 -
V-Twin - 15-1306 - Cometic Primary Gasket
Cometic
$44.62V-Twin - 15-1306 - Cometic Primary GasketDescriptionCometic AFM primary gasket.*NOTE: AFM denotes foam surface that is bonded to aluminum. Fits:FXD 2006-2017FLST 2007-2017FXST 2007-2017Additional Information UOM1 - EA ManufacturerCometic OriginUSA ...$44.62
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.