Engine
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- Price
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V-Twin - 37-9131 - Head Bolt Cover Set Chrome
V-Twin Mfg
$30.20V-Twin - 37-9131 - Head Bolt Cover Set ChromeDescriptionChrome grooved head bolt cover set. Fits:FXD 1991-2017FLT 1986-2017XL 1986-UPFXST 1986-2017FXR 1986-1994FLST 1986-2017Additional Information OEM No.43890-93 UOM4 - SET ManufacturerV-Twin ...$30.20 -
V-Twin - 37-9074 - Cylinder Washer Set Zinc
Eastern Motorcycle Parts
MSRP: $17.86$16.07V-Twin - 37-9074 - Cylinder Washer Set ZincDescriptionZinc cylinder washer setSet of four. Fits:FXST 1984-1985FLT 1984-1985FXR 1984-1985Additional Information OEM No.16482-83 UOM1 - SET ManufacturerEastern OriginUSA 2025 Catalog Pages178MSRP: $17.86$16.07 -
V-Twin - 37-9068 - Oil Pump Plug - Fits 1971-1980 Harley-Davidson FX, 1968-1980 FL
V-Twin Mfg
MSRP: $11.86$11.74Stock oil pump plug with slot Fits:FX 1971-1980FL 1968-1980Additional Information OEM No.26377-68 UOM1 - EA ManufacturerV-Twin OriginImported 2025 Catalog Pages494MSRP: $11.86$11.74 -
V-Twin - 37-9066 - Front Engine Mount Kit - Fits 1941-1969 Harley-Davidson FL, 1936-1940 EL
V-Twin Mfg
MSRP: $11.86$11.74Front engine mount nut and lock kit. Fits:FL 1941-1969EL 1936-1940Additional Information OEM No.24797-36 UOM1 - EA ManufacturerV-Twin OriginImported 2025 Catalog Pages516MSRP: $11.86$11.74 -
V-Twin - 37-9019 - Head Bolt Set Chrome - Fits 1986-1991 Harley-Davidson FXR, 1991 FXD, 1986-1992 XL, 1986-1991 FXST, FLST, FLT
V-Twin Mfg
$98.20Chrome 12 point head bolt set Fits:FXR 1986-1991FXD 1991-1991XL 1986-1992FXST 1986-1991FLST 1986-1991FLT 1986-1991Additional Information UOM1 - KIT ManufacturerV-Twin OriginImported 2025 Catalog Pages178$98.20 -
V-Twin - 37-8960 - Oil Pump Plug Chrome - Fits 1984-1999 Harley-Davidson FXST, 1981-1999 FLT, 1991-1999 FXD, 1982-1994 FXR, 1986-1999 FLST, 1981-1984 FL, FX
V-Twin Mfg
MSRP: $7.86$7.78Chrome oil tank plug Fits:FXST 1984-1999FLT 1981-1998FXD 1991-1999FXR 1982-1994FLST 1986-1999FLT 1981-1999FL 1981-1984FX 1981-1984Additional Information OEM No.26279-89 UOM1 - EA ManufacturerV-Twin OriginImported 2025 Catalog Pages163MSRP: $7.86$7.78 -
V-Twin - 37-8951 - Cylinder Studs
S&S Cycle
MSRP: $115.32$108.67V-Twin - 37-8951 - Cylinder StudsDescriptionEvolution cylinder studs only are 6.680" long and have a 3/8-16 coarse thread. Fits:FXST 1986-1998FLT 1986-1998FXD 1991-1998FXR 1986-1994FLST 1986-1998Additional Information OEM No.16837-85C UOM8 - PK ...MSRP: $115.32$108.67 -
V-Twin - 37-8946 - Oil Pump Relief Valve Kit - Fits 1954-1967 Harley-Davidson FL
V-Twin Mfg
$59.30Oil pump relief valve kit Fits:FL 1954-1967Additional Information UOM1 - KIT ManufacturerV-Twin OriginImported 2025 Catalog Pages494 Replacement Items13-0107 - Oil Pump Relief Valve Spring9606-2 - Oil Pump Relief Valve Plug Cadmium12-1417 - Oil Pump...$59.30 -
V-Twin - 37-8935 - Cylinder Stud Insert
Eastern Motorcycle Parts
MSRP: $22.60$19.21V-Twin - 37-8935 - Cylinder Stud InsertDescriptionCylinder stud insert comes as a 8 piece Fits:FXST 1986-1998FLT 1986-1998FXD 1991-1998XL 1991-2003FXR 1986-1994FLST 1986-1998Additional Information OEM No.16573-83 UOM8 - PK ManufacturerEastern ...MSRP: $22.60$19.21 -
V-Twin - 37-8897 - Head Bolt Cover Set Dome Chrome - Fits 1984-1985 Harley-Davidson FXST, FLT, FXR
V-Twin Mfg
MSRP: $19.86$19.66Chrome dome style head bolt cover set Fits:FXST 1984-1985FLT 1984-1985FXR 1984-1985Additional Information UOM4 - SET ManufacturerV-Twin OriginImported 2025 Catalog Pages36MSRP: $19.86$19.66 -
V-Twin - 37-8866 - Pushrod Tappet Lock Nut
V-Twin Mfg
MSRP: $16.42$16.25V-Twin - 37-8866 - Pushrod Tappet Lock NutDescription5/16"-32 pushrod tappet lock nut fits solid lifters. Fits:Replacement application for 5/16 x 32 adjuster screwsAdditional Information UOM4 - PK ManufacturerV-Twin OriginUSA 2025 Catalog Pages502MSRP: $16.42$16.25 -
V-Twin - 37-8831 - Cylinder Headbolt Set Chrome
Gardner-Westcott
MSRP: $84.52$82.41V-Twin - 37-8831 - Cylinder Headbolt Set ChromeDescriptionChrome cylinder headbolt set with coarse thread for use with early style STD heads only. Fits:Special applicationAdditional Information UOM10 - SET ManufacturerGardner-Westcott OriginUSA 2025...MSRP: $84.52$82.41 -
V-Twin - 37-8799 - Cylinder Headbolt Cover Set Chrome
V-Twin Mfg
$30.20V-Twin - 37-8799 - Cylinder Headbolt Cover Set ChromeDescription4 piece cylinder headbolt cover set featuring a chrome finish. Fits:FXD 1991-2017FLT 1986-2017XL 1986-UPFXST 1986-2017FXR 1986-1994FLST 1986-2017Additional Information OEM No.43890-93 UOM1...$30.20 -
V-Twin - 37-8511 - Cam and Primary Dress Up Screw Kit
Gardner-Westcott
MSRP: $36.25$33.89V-Twin - 37-8511 - Cam and Primary Dress Up Screw KitDescriptionCam and Primary dress up engine kit Fits:XL 1971-1976Additional Information UOM1 - KIT ManufacturerGardner-Westcott OriginUSA StyleAllen 2025 Catalog Pages839MSRP: $36.25$33.89 -
V-Twin - 37-8510 - Cam and Primary Dress Up Screw Kit
Gardner-Westcott
MSRP: $45.27$40.33V-Twin - 37-8510 - Cam and Primary Dress Up Screw KitDescriptioncam and primary dress up screw kit Fits:XL 1977-1985Additional Information UOM1 - KIT ManufacturerGardner-Westcott OriginUSA StyleAllen 2025 Catalog Pages839MSRP: $45.27$40.33 -
V-Twin - 37-8509 - Cam and Primary Dress Up Screw Kit
Gardner-Westcott
MSRP: $41.36$36.85V-Twin - 37-8509 - Cam and Primary Dress Up Screw KitDescriptionCam and primary dress up screw kit Fits:XL 1986-1990Additional Information UOM1 - KIT ManufacturerGardner-Westcott OriginUSA StyleAllen 2025 Catalog Pages839MSRP: $41.36$36.85 -
V-Twin - 37-8508 - Cam and Primary Dress Up Screw Kit
Gardner-Westcott
$110.11V-Twin - 37-8508 - Cam and Primary Dress Up Screw KitDescriptionCam and primary dress up screw kit Fits:XL 1991-2003Additional Information UOM1 - KIT ManufacturerGardner-Westcott OriginUSA StyleAllen 2025 Catalog Pages839$110.11 -
V-Twin - 37-8505 - Cam and Primary Cover Dress Up Chrome Screw Kit
Gardner-Westcott
MSRP: $37.45$33.37V-Twin - 37-8505 - Cam and Primary Cover Dress Up Chrome Screw KitDescriptionCam and primary cover dress up chrome screw kit for transmission, chain, clutch or derby where applicable.Kit has 22 allen screws. Fits:FL 1970-1984FX 1971-1984Additional...MSRP: $37.45$33.37 -
V-Twin - 37-8092 - Allen Fastener Set Chrome
Gardner-Westcott
$308.90V-Twin - 37-8092 - Allen Fastener Set ChromeDescriptionChrome allen fastener set Fits:XL 1991-2003Additional Information UOM1 - KIT ManufacturerGardner-Westcott OriginUSA StyleAllen 2025 Catalog Pages839$308.90 -
V-Twin - 37-8084 - Engine Dress Up Screw Kit Allen Chrome
Gardner-Westcott
$143.00V-Twin - 37-8084 - Engine Dress Up Screw Kit Allen ChromeDescriptionChrome allen style engine dress up screw kit Fits:FXR 1984-1986Additional Information UOM1 - KIT ManufacturerGardner-Westcott OriginUSA StyleAllen 2025 Catalog Pages408$143.00 -
V-Twin - 37-7490 - Chrome Allen Head Engine Dress Up Screw Kit
Gardner-Westcott
MSRP: $205.63$194.31V-Twin - 37-7490 - Chrome Allen Head Engine Dress Up Screw KitDescriptionChrome Allen Head Engine Dress Up Screw Kit Fits:FX 1971-1976FL 1970-1976Additional Information UOM1 - KIT ManufacturerGardner-Westcott OriginUSA StyleAllen 2025 Catalog...MSRP: $205.63$194.31 -
V-Twin - 37-4050 - Head Screw - Fits 1971-1984 Harley-Davidson FX, 1941-1984 FL
V-Twin Mfg
$14.16Head screw, 10/24 X 3/8 Fits: FX 1971-1984 FL 1941-1984 Additional Information UOM 10 - PK Manufacturer V-Twin Origin USA 2025 Catalog Pages 485$14.16 -
V-Twin - 37-2090 - Engine Dress Up Screw Kit Allen Chrome
Gardner-Westcott
MSRP: $119.85$114.10V-Twin - 37-2090 - Engine Dress Up Screw Kit Allen ChromeDescriptionChrome allen engine dress up screw kit Fits:XL 1971-1976Additional Information UOM1 - KIT ManufacturerGardner-Westcott OriginUSA StyleAllen 2025 Catalog Pages839MSRP: $119.85$114.10 -
V-Twin - 37-2089 - Engine Dress Up Screw Kit Allen Chrome
Gardner-Westcott
$144.36V-Twin - 37-2089 - Engine Dress Up Screw Kit Allen ChromeDescriptionChrome allen engine dress up screw kit Fits:XLH 1977-1984Additional Information UOM1 - KIT ManufacturerGardner-Westcott OriginUSA StyleAllen 2025 Catalog Pages839$144.36 -
V-Twin - 37-2087 - Engine Dress Up Screw Kit Allen Chrome
Gardner-Westcott
MSRP: $145.67$137.65V-Twin - 37-2087 - Engine Dress Up Screw Kit Allen ChromeDescriptionAllen engine dress up screw kit Fits:XL 1986-1990Additional Information UOM1 - KIT ManufacturerGardner-Westcott OriginUSA StyleAllen 2025 Catalog Pages839MSRP: $145.67$137.65 -
V-Twin - 37-1675 - Oil Pump Fillister Screws Cadmium - Fits 1967-1969 Harley-Davidson FL
V-Twin Mfg
MSRP: $12.24$12.11Oil pump fillister screws feature a cadmium finish.Sold as a pack of 10. Fits:FL 1967-1969Additional Information OEM No.1183 UOM10 - PK ManufacturerV-Twin OriginImported 2025 Catalog Pages1319MSRP: $12.24$12.11 -
V-Twin - 37-1526 - Wyatt Gatling Chrome Allen Head Bolt Caps 1/4 inch
V-Twin Mfg
$22.96V-Twin - 37-1526 - Wyatt Gatling Chrome Allen Head Bolt Caps 1/4 inch Description Chrome 1/4" Allen Head Cap snaps onto allen socket head screws. The caps fit tightly over the head and add a finished appearance. These are sold in packs of 25. ...$22.96 -
V-Twin - 37-1209 - Head Bolt Cover Set Chrome
V-Twin Mfg
MSRP: $17.64$17.46V-Twin - 37-1209 - Head Bolt Cover Set ChromeDescriptionChrome head bolt cover set.Sold as a set of 4. Fits:FLT 1999-2016FXST 1999-UPFLST 1999-UPFXD 1999-2017Additional Information UOM1 - SET MeasurementsAdditional InformationHeight: 5/8"Base...MSRP: $17.64$17.46 -
V-Twin - 37-1202 - Cam Cover Allen Type Screw Kit
V-Twin Mfg
$29.79V-Twin - 37-1202 - Cam Cover Allen Type Screw KitDescriptionAllen type cam cover screw kit. Fits:XL 2004-UPAdditional Information UOM1 - KIT FinishChrome ManufacturerV-Twin OriginImported 2025 Catalog Pages839$29.79 -
V-Twin - 37-0975 - Rocker Box Cover Screw Set Black - Fits 1936-1940 Harley-Davidson EL, 1941-1947 FL
V-Twin Mfg
$27.92Rocker box cover hex head phillips screw set with a black finish.Sold as a set of 36 pieces. Fits:EL 1936-1940FL 1941-1947Additional Information UOM1 - SET ManufacturerV-Twin OriginUSA$27.92 -
V-Twin - 37-0966 - Bolt Kit
V-Twin Mfg
$9.76V-Twin - 37-0966 - Bolt KitDescriptionChrome bolt kit for filter kit. Fits:Special applicationAdditional Information UOM1 - KIT ManufacturerV-Twin OriginImported 2025 Catalog Pages749$9.76 -
V-Twin - 37-0952 - Chrome Engine Mount Bolt Set - Fits 1989-1999 Harley-Davidson FLT, 1989-1994 FXR
V-Twin Mfg
$29.79Chrome engine mount bolt set. Fits:FLT 1989-1999FXR 1989-1994Additional Information UOM1 - KIT ManufacturerV-Twin OriginImported 2025 Catalog Pages326$29.79 -
V-Twin - 37-0905 - 1936 Oval Head Screw Set
V-Twin Mfg
$54.47V-Twin - 37-0905 - 1936 Oval Head Screw Set Description 1936 oval head screw set for Knucklehead rocker shaft end caps.Sold as a set of 4. Fits: EL 1936-1936 Additional Information UOM 4 -...$54.47 -
V-Twin - 37-0848 - Top Motor Mount Bolt Kit Chrome
Gardner-Westcott
MSRP: $23.40$19.89V-Twin - 37-0848 - Top Motor Mount Bolt Kit ChromeDescriptionChrome top motor mount bolt kit. Fits:XL 1977-1985Additional Information UOM1 - KIT ManufacturerGardner-Westcott OriginUSA 2025 Catalog Pages946MSRP: $23.40$19.89 -
V-Twin - 37-0820 - Rocker Box Cover Collar and Screw Kit - Fits 1984-1998 Harley-Davidson FXST, FLT, 1991-1998 FXD, 1984-1994 FXR, 1986-1998 FLST
V-Twin Mfg
$24.18Chrome rocker box cover collar and screw kit includes sealing washer with built in o-ring for position seal. Fits:FXST 1984-1998FLT 1984-1998FXD 1991-1998FXR 1984-1994FLST 1986-1998Additional Information UOM1 - KIT ManufacturerV-Twin OriginImported ...$24.18 -
V-Twin - 37-0799 - Split Lock Washers Parkerized 1/2 inch
Colony Machine
MSRP: $15.72$14.14V-Twin - 37-0799 - Split Lock Washers Parkerized 1/2 inch Description 1/2" X 27/32" X 1/16" split lock washers with a parkerized finish, is for use with OEM #7905, 1/2"-20 X 3/8" X 3/4" flex nut. Fits: UL 1937-1948 EL 1936-1940 FL...MSRP: $15.72$14.14 -
V-Twin - 37-0577 - Rear Motor Mount Bolt Kit - Fits 1954-1981 Harley-Davidson XL
V-Twin Mfg
$34.72Rear motor mount bolt kit.Order studs separately. Fits:XL 1954-1981Additional Information UOM1 - KIT ManufacturerV-Twin OriginUSA 2025 Catalog Pages946$34.72 -
V-Twin - 37-0565 - Rocker Box Cover Screw Set Parkerized
Colony Machine
MSRP: $27.15$25.38V-Twin - 37-0565 - Rocker Box Cover Screw Set ParkerizedDescriptionRocker box cover hex head flat screw set with a parkerized finish.Sold as a set of 34 pieces. Fits:FL 1941-1947EL 1936-1940 KnuckleheadAdditional Information OEM No.3477 UOM1 - SET ...MSRP: $27.15$25.38 -
V-Twin - 37-0516 - Internal Biter Lock Washers 3/8 inch - Fits 1971-1984 Harley-Davidson XL
V-Twin Mfg
MSRP: $11.86$11.743/8" Internal biter lock washers Fits: XL 1971-1984 Additional Information OEM No. 7130W UOM 25 - PK Manufacturer V-Twin Origin USA 2025 Catalog Pages 879MSRP: $11.86$11.74 -
V-Twin - 37-0419T - Top Motor Mount Spacer Set
V-Twin Mfg
MSRP: $23.86$22.31V-Twin - 37-0419T - Top Motor Mount Spacer SetDescriptionZinc motor mount spacer set has a 7/16" inner diameter X 1-1/8" outer diameter x 3/4" thick. Set spaces out top mount or wide tire conversions. Fits:Custom application for spacing out top...MSRP: $23.86$22.31
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.