Engine
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V-Twin - 37-8866 - Pushrod Tappet Lock Nut
V-Twin
MSRP: $16.42$13.54V-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$13.54 -
V-Twin - 37-8831 - Cylinder Headbolt Set Chrome
Gardner-Westcott
MSRP: $84.52$72.52V-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$72.52 -
V-Twin - 37-8799 - Cylinder Headbolt Cover Set Chrome
V-Twin
MSRP: $29.36$24.87V-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...MSRP: $29.36$24.87 -
V-Twin - 37-8511 - Cam and Primary Dress Up Screw Kit
Gardner-Westcott
MSRP: $36.25$27.91V-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$27.91 -
V-Twin - 37-8510 - Cam and Primary Dress Up Screw Kit
Gardner-Westcott
MSRP: $45.27$33.61V-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$33.61 -
V-Twin - 37-8509 - Cam and Primary Dress Up Screw Kit
Gardner-Westcott
MSRP: $41.36$30.71V-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$30.71 -
V-Twin - 37-8508 - Cam and Primary Dress Up Screw Kit
Gardner-Westcott
MSRP: $96.15$81.25V-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 Pages839MSRP: $96.15$81.25 -
V-Twin - 37-8505 - Cam and Primary Cover Dress Up Chrome Screw Kit
Gardner-Westcott
MSRP: $37.45$27.81V-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$27.81 -
V-Twin - 37-8092 - Allen Fastener Set Chrome
Gardner-Westcott
MSRP: $258.03$227.58V-Twin - 37-8092 - Allen Fastener Set ChromeDescriptionChrome allen fastener set Fits:XL 1991-2003Additional Information UOM1 - KIT ManufacturerGardner-Westcott OriginUSA StyleAllen 2025 Catalog Pages839MSRP: $258.03$227.58 -
V-Twin - 37-8085 - Engine Dress Up Screw Kit Allen Chrome
Gardner-Westcott
$69.86V-Twin - 37-8085 - Engine Dress Up Screw Kit Allen ChromeDescriptionChrome allen engine dress up screw kit Fits:FLST 1986-1986FXST 1986-1986Additional Information UOM1 - KIT ManufacturerGardner-Westcott OriginUSA StyleAllen 2025 Catalog Pages408$69.86 -
V-Twin - 37-8084 - Engine Dress Up Screw Kit Allen Chrome
Gardner-Westcott
$133.47V-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$133.47 -
V-Twin - 37-7490 - Chrome Allen Head Engine Dress Up Screw Kit
Gardner-Westcott
MSRP: $205.63$181.36V-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$181.36 -
V-Twin - 37-4050 - Head Screw
V-Twin Manufacturing
MSRP: $14.30$11.79V-Twin - 37-4050 - Head Screw Description Head 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 485MSRP: $14.30$11.79 -
V-Twin - 37-2090 - Engine Dress Up Screw Kit Allen Chrome
Gardner-Westcott
MSRP: $119.85$104.32V-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$104.32 -
V-Twin - 37-2089 - Engine Dress Up Screw Kit Allen Chrome
Gardner-Westcott
MSRP: $133.74$116.40V-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 Pages839MSRP: $133.74$116.40 -
V-Twin - 37-2087 - Engine Dress Up Screw Kit Allen Chrome
Gardner-Westcott
MSRP: $145.67$128.48V-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$128.48 -
V-Twin - 37-1675 - Oil Pump Fillister Screws Cadmium
V-Twin
MSRP: $12.24$10.10V-Twin - 37-1675 - Oil Pump Fillister Screws CadmiumDescriptionOil 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...MSRP: $12.24$10.10 -
V-Twin - 37-1526 - Wyatt Gatling Chrome Allen Head Bolt Caps 1/4 inch
V-Twin
MSRP: $22.33$18.91V-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. ...MSRP: $22.33$18.91 -
V-Twin - 37-1209 - Head Bolt Cover Set Chrome
V-Twin
MSRP: $17.64$14.55V-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$14.55 -
V-Twin - 37-1205 - Rocker Box Allen Type Screw Kit
V-Twin
MSRP: $17.86$14.73V-Twin - 37-1205 - Rocker Box Allen Type Screw KitDescriptionRocker box screw kit is allen type. Fits:XL 2004-UPAdditional Information UOM1 - KIT ManufacturerV-Twin OriginImported 2025 Catalog Pages839MSRP: $17.86$14.73 -
V-Twin - 37-1202 - Cam Cover Allen Type Screw Kit
V-Twin
MSRP: $28.96$24.53V-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 Pages839MSRP: $28.96$24.53 -
V-Twin - 37-0975 - Rocker Box Cover Screw Set Black
V-Twin
MSRP: $27.15$22.99V-Twin - 37-0975 - Rocker Box Cover Screw Set BlackDescriptionRocker 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 OriginUSAMSRP: $27.15$22.99 -
V-Twin - 37-0966 - Bolt Kit
V-Twin Manufacturing
MSRP: $9.86$8.13V-Twin - 37-0966 - Bolt KitDescriptionChrome bolt kit for filter kit. Fits:Special applicationAdditional Information UOM1 - KIT ManufacturerV-Twin OriginImported 2025 Catalog Pages749MSRP: $9.86$8.13 -
V-Twin - 37-0952 - Chrome Engine Mount Bolt Set
V-Twin
MSRP: $28.96$24.53V-Twin - 37-0952 - Chrome Engine Mount Bolt SetDescriptionChrome engine mount bolt set. Fits:FLT 1989-1999FXR 1989-1994Additional Information UOM1 - KIT ManufacturerV-Twin OriginImported 2025 Catalog Pages326MSRP: $28.96$24.53 -
V-Twin - 37-0905 - 1936 Oval Head Screw Set
V-Twin
MSRP: $50.95$45.39V-Twin - 37-0905 - 1936 Oval Head Screw SetDescription1936 oval head screw set for Knucklehead rocker shaft end caps.Sold as a set of 4. Fits:EL 1936-1936Additional Information UOM4 - SET ManufacturerV-Twin OriginImported 2025 Catalog Pages553MSRP: $50.95$45.39 -
V-Twin - 37-0848 - Top Motor Mount Bolt Kit Chrome
Gardner-Westcott
MSRP: $23.40$16.38V-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$16.38 -
V-Twin - 37-0820 - Rocker Box Cover Collar and Screw Kit
V-Twin
MSRP: $23.51$19.91V-Twin - 37-0820 - Rocker Box Cover Collar and Screw KitDescriptionChrome 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...MSRP: $23.51$19.91 -
V-Twin - 37-0799 - Split Lock Washers Parkerized 1/2 inch
Colony Machine
MSRP: $15.72$11.79V-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$11.79 -
V-Twin - 37-0585 - Rocker Box Cover Screw Cover Set Chrome
V-Twin
MSRP: $31.42$26.61V-Twin - 37-0585 - Rocker Box Cover Screw Cover Set ChromeDescriptionChrome screw cover set for grooved rocker box cover.Sold as a 4 piece set. Fits:FLT 1999-2016FLST 1999-2017FXST 1999-2017FXD 1999-2017Additional Information OEM No.43868-99 UOM1 - SET...MSRP: $31.42$26.61 -
V-Twin - 37-0577 - Rear Motor Mount Bolt Kit
V-Twin
MSRP: $33.76$28.59V-Twin - 37-0577 - Rear Motor Mount Bolt KitDescriptionRear motor mount bolt kit.Order studs separately. Fits:XL 1954-1981Additional Information UOM1 - KIT ManufacturerV-Twin OriginUSA 2025 Catalog Pages946MSRP: $33.76$28.59 -
V-Twin - 37-0565 - Rocker Box Cover Screw Set Parkerized
Colony Machine
MSRP: $27.15$20.90V-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$20.90 -
V-Twin - 37-0516 - Internal Biter Lock Washers 3/8 inch
V-Twin
MSRP: $11.86$9.78V-Twin - 37-0516 - Internal Biter Lock Washers 3/8 inch Description 3/8" Internal biter lock washers Fits: XL 1971-1984 Additional Information OEM No. 7130W UOM 25 - PK Manufacturer V-Twin Origin USA 2025 Catalog...MSRP: $11.86$9.78 -
V-Twin - 37-0481 - Front Motor Mount Spacer
V-Twin Manufacturing
MSRP: $5.86$4.83V-Twin - 37-0481 - Front Motor Mount SpacerDescriptionFront motor mount spacer measures 1-1/4" X 3/8".Sold as a pair. Fits:XL 1979-1985Additional Information UOM1 - SET ManufacturerV-Twin OriginUSAMSRP: $5.86$4.83 -
V-Twin - 37-0419T - Top Motor Mount Spacer Set
V-Twin
MSRP: $23.86$18.37V-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$18.37 -
V-Twin - 37-0097 - Magnetic Engine Case Drain Plug
V-Twin
MSRP: $8.56$7.06V-Twin - 37-0097 - Magnetic Engine Case Drain PlugDescriptionMagnetic drain plug prevents metal particles from circulating through engine, and oil tanks. Plug is 3/8" - 24 UNF. Fits:FX 1971-1984FL 1941-1984Additional Information OEM No.700 UOM1 - EA ...MSRP: $8.56$7.06 -
V-Twin - 37-0079 - Motor Mount Bushing Kit Raw Steel
V-Twin
MSRP: $45.25$40.32V-Twin - 37-0079 - Motor Mount Bushing Kit Raw SteelDescriptionRaw steel motor mount repair bushing kit has a 3/8" inner diameter and a 1/2" outer diameter. This kit is used to align motor after frame mount repair.Drill a 1/2" hole in motor mount. The...MSRP: $45.25$40.32 -
V-Twin - 37-0025 - Rocker Arm Shaft Plugs Allen Style
V-Twin
MSRP: $23.51$19.91V-Twin - 37-0025 - Rocker Arm Shaft Plugs Allen StyleDescriptionAllen type rocker arm shaft plugs have a chrome finish and includes sockets and cups. Fits:FL 1971-1984FLT 1979-1983FX 1971-1984FXR 1982-1983XL 1971-1984Additional Information UOM4 - SET ...MSRP: $23.51$19.91 -
V-Twin - 3692-1 - Valve Spring Lifter Tool
Colony Machine
MSRP: $38.07$37.31V-Twin - 3692-1 - Valve Spring Lifter ToolDescriptionValve spring lifter tool. Fits:U 1939-1948Additional Information OEM No.11959-39 UOM1 - EA ManufacturerColony OriginUSAMSRP: $38.07$37.31 -
V-Twin - 3691-15 - Lower Motor Mount Kit Parkerized
Colony Machine
MSRP: $49.90$40.41V-Twin - 3691-15 - Lower Motor Mount Kit ParkerizedDescriptionLower motor mount kit features a parkerized finish with machined plain head bolts. Fits:UL 1937-1947Additional Information UOM1 - KIT ManufacturerColony OriginUSAMSRP: $49.90$40.41 -
V-Twin - 3690-16 - Lower Motor Mount Kit Parkerized
Colony Machine
MSRP: $51.57$41.76V-Twin - 3690-16 - Lower Motor Mount Kit ParkerizedDescriptionLower motor mount kit features a parkerized finish with machined plain head bolts. Fits:FL 1941-1955EL 1936-1940Additional Information UOM1 - KIT ManufacturerColony OriginUSAMSRP: $51.57$41.76
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.