Engine
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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...$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 InformationMSRP: $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 InformationMSRP: $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 InformationMSRP: $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$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...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 UOM$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$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 InformationMSRP: $205.63$194.31 -
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 InformationMSRP: $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$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 InformationMSRP: $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.1183MSRP: $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...$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 InformationMSRP: $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$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 UO$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 UOM$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 Manufa$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$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 InformationMSRP: $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...$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. ...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 Man$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...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 25MSRP: $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...MSRP: $23.86$22.31 -
V-Twin - 37-0097 - Magnetic Engine Case Drain Plug - Fits 1971-1984 Harley-Davidson FX, 1941-1984 FL
V-Twin Mfg
MSRP: $8.56$8.47Magnetic drain plug prevents metal particles from circulating through engine, and oil tanks. Plug is 3/8" - 24 UNF. Fits:FX 1971-1984FL 1941-1984Additional InformationMSRP: $8.56$8.47 -
V-Twin - 37-0025 - Rocker Arm Shaft Plugs Allen Style - Fits 1971-1984 Harley-Davidson FL, 1979-1983 FLT, 1971-1984 FX, 1982-1983 FXR, 1971-1984 XL
V-Twin Mfg
$24.18Allen 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$24.18 -
V-Twin - 3692-1 - Valve Spring Lifter Tool
Colony Machine
$44.77V-Twin - 3692-1 - Valve Spring Lifter ToolDescriptionValve spring lifter tool. Fits:U 1939-1948Additional Information OEM No.$44.77 -
V-Twin - 3691-15 - Lower Motor Mount Kit Parkerized
Colony Machine
MSRP: $49.90$48.50V-Twin - 3691-15 - Lower Motor Mount Kit ParkerizedDescriptionLower motor mount kit features a parkerized finish with machined plain head bolts. Fits:UL 1937-1947Additional InformationMSRP: $49.90$48.50 -
V-Twin - 3690-16 - Lower Motor Mount Kit Parkerized
Colony Machine
MSRP: $51.57$50.12V-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 InformationMSRP: $51.57$50.12 -
V-Twin - 3689-15 - Lower Motor Mount Kit Cadmium Plated
Colony Machine
$57.60V-Twin - 3689-15 - Lower Motor Mount Kit Cadmium PlatedDescriptionLower motor mount kit features a cadmium plated finish. Fits:UL 1937-1947Additional Information$57.60 -
V-Twin - 3688-15 - Lower Motor Mount Kit Chrome Plated
Colony Machine
MSRP: $54.90$53.36V-Twin - 3688-15 - Lower Motor Mount Kit Chrome PlatedDescriptionLower motor mount kit features a chrome plated finish. Fits:UL 1937-1947Additional Information <MSRP: $54.90$53.36 -
V-Twin - 3687-15 - Lower Motor Mount Kit Parkerized
Colony Machine
MSRP: $48.23$46.88V-Twin - 3687-15 - Lower Motor Mount Kit ParkerizedDescriptionLower motor mount kit features a parkerized finish. Fits:UL 1937-1947Additional InformationMSRP: $48.23$46.88 -
V-Twin - 3686-12 - Lower Motor Mount Kit Cadmium Plated
Colony Machine
MSRP: $43.23$42.02V-Twin - 3686-12 - Lower Motor Mount Kit Cadmium PlatedDescriptionLower motor mount kit features a cadmium plated finish. Fits:FL 1966-1969Additional InformationMSRP: $43.23$42.02 -
V-Twin - 3685-12 - Lower Motor Mount Kit Chrome Plated
Colony Machine
MSRP: $46.57$45.26V-Twin - 3685-12 - Lower Motor Mount Kit Chrome PlatedDescriptionLower motor mount features a chrome plated finish. Fits:FL 1966-1969Additional Information <MSRP: $46.57$45.26 -
V-Twin - 3684-12 - Lower Motor Mount Kit Parkerized
Colony Machine
MSRP: $43.53$38.78V-Twin - 3684-12 - Lower Motor Mount Kit ParkerizedDescriptionLower motor mount features a parkerized finish. Fits:FL 1966-1969Additional InformationMSRP: $43.53$38.78 -
V-Twin - 3683-16 - Lower Motor Mount Kit Cadmium Plated
Colony Machine
$46.91V-Twin - 3683-16 - Lower Motor Mount Kit Cadmium PlatedDescriptionLower motor mount features a cadmium plated finish. Fits:FL 1958-1965Additional Information$46.91 -
V-Twin - 3682-16 - Lower Motor Mount Kit Chrome Plated
Colony Machine
MSRP: $43.23$42.02V-Twin - 3682-16 - Lower Motor Mount Kit Chrome PlatedDescriptionLower motor mount kit features a chrome plated finish. Fits:FL 1958-1965Additional Information <MSRP: $43.23$42.02
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.