Engine
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- Price
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V-Twin - 49-0143 - Front Engine Bar U Clamp Zinc
V-Twin
$34.42V-Twin - 49-0143 - Front Engine Bar U Clamp ZincDescriptionZinc front engine bar u clamp without nuts for side valve models Fits:WL 1929-1957G 1932-1973Additional Information OEM No.49061-32 UOM1 - SET ManufacturerV-Twin OriginImported 2025 Catalog...$34.42 -
V-Twin - 42-1171 - Chrome Left Side Cylinder Base Cover
V-Twin
$39.87V-Twin - 42-1171 - Chrome Left Side Cylinder Base CoverDescriptionCylinder base cover will smooth and add decorative chrome to the area below the cylinder bases of the engine.The long bolt is 3-1/2" drive allen head and is 5/16"-24 thread. The short bolt...$39.87 -
V-Twin - 42-1170 - M8 Finned Spark Plug Cover Set Granite
V-Twin
$63.65V-Twin - 42-1170 - M8 Finned Spark Plug Cover Set GraniteDescriptionGranite finned spark plug cover set for M8 models. Fits:FLT 2017-UPAdditional Information OEM No.25800062 UOM1 - SET ManufacturerV-Twin OriginImported 2025 Catalog Pages33$63.65 -
V-Twin - 42-1160 - M8 Finned Spark Plug Cover Set Black
V-Twin
$63.65V-Twin - 42-1160 - M8 Finned Spark Plug Cover Set BlackDescriptionBlack finned spark plug cover set for M8 models. Fits:FLT 2017-UPAdditional Information OEM No.25800061 UOM1 - SET ManufacturerV-Twin OriginImported 2025 Catalog Pages33$63.65 -
V-Twin - 42-1158 - Head Bolt and Spark Plug Cover Kit Chrome
V-Twin
$56.55V-Twin - 42-1158 - Head Bolt and Spark Plug Cover Kit ChromeDescriptionChrome cylinder head bolt and spark plug cover kit. Fits:XL 2004-UPAdditional Information OEM No.44432-04 UOM1 - KIT ManufacturerV-Twin OriginImported 2025 Catalog Pages854$56.55 -
V-Twin - 42-1157 - Head Bolt and Spark Plug Cover Kit Black
V-Twin
$56.55V-Twin - 42-1157 - Head Bolt and Spark Plug Cover Kit BlackDescriptionBlack cylinder head bolt and spark plug cover kit. Fits:XL 2004-UPAdditional Information UOM1 - KIT ManufacturerV-Twin OriginImported 2025 Catalog Pages854$56.55 -
V-Twin - 42-1156 - Head Bolt and Spark Plug Cover Kit Silver
V-Twin
$56.55V-Twin - 42-1156 - Head Bolt and Spark Plug Cover Kit SilverDescriptionSilver cylinder head bolt and spark plug cover kit. Fits:XL 2004-UPAdditional Information OEM No.44296-04 UOM1 - KIT ManufacturerV-Twin OriginImported 2025 Catalog Pages854$56.55 -
V-Twin - 42-1154 - Head Bolt and Spark Plug Cover Kit Silver
V-Twin
$56.55V-Twin - 42-1154 - Head Bolt and Spark Plug Cover Kit SilverDescriptionSilver cylinder head bolt and spark plug cover kit for carbureted models. Fits:FLST 1999-2006FXST 1999-2006FLT 1999-2006FXD 1999-2006Additional Information OEM No.43840-01 UOM1 -...$56.55 -
V-Twin - 42-1153 - Head Bolt and Spark Plug Cover Kit Black
V-Twin
$64.20V-Twin - 42-1153 - Head Bolt and Spark Plug Cover Kit BlackDescriptionBlack cylinder head bolt and spark plug cover kit for EFI models. Fits:FLT 1999-2016FLST 2000-UPFXST 2000-UPFXD 1999-2017Additional Information OEM No.43859-00 UOM1 - KIT ...$64.20 -
V-Twin - 42-1092 - Brass Cylinder Head Bolt Cover
V-Twin
$42.02V-Twin - 42-1092 - Brass Cylinder Head Bolt CoverDescriptionSolid brass cylinder head bolt cover is a four piece set. Fits:FXD 1991-2017FLST 1986-2017FXST 1984-2017FXR 1984-1994FLT 1984-2017Additional Information UOM1 - SET ManufacturerV-Twin ...$42.02 -
V-Twin - 42-1010 - Air Scoop Chrome
V-Twin
$60.50V-Twin - 42-1010 - Air Scoop ChromeDescriptionChrome air scoop mounts on left side top motor mount studs. Air scoop offers improved cooling and acts as a horn cover.Measures 9" long, 7-1/2" wide, and 3" deep. Fits:FLT 1991-2016Additional Information ...$60.50 -
V-Twin - 42-0772 - Cylinder Head Locker Aluminum
V-Twin
$27.15V-Twin - 42-0772 - Cylinder Head Locker AluminumDescriptionCylinder head locker fits Big Twin 1340 models in shot peened natural aluminum. Set screws are included for installation. Fits:FXR 1986-1991FXST 1986-1991FLST 1986-1991FLT 1986-1991Additional...$27.15 -
V-Twin - 42-0746 - Big Twin Engine Case Trim Chrome
V-Twin
$25.15V-Twin - 42-0746 - Big Twin Engine Case Trim ChromeDescriptionBig Twin engine case trim mounts to center case stud.For installation, adjust stud length for more length on left side, then press emblem over nut. Fits:FXST 1984-1998FLT 1984-1998FXD...$25.15 -
V-Twin - 42-0702 - Chrome Cam Cover
V-Twin
$153.07V-Twin - 42-0702 - Chrome Cam CoverDescriptionChrome cam cover without sensor hole. Fits:FXST 2001-2017FLST 2001-2017FXD 2001-2017FLT 2001-2016Additional Information OEM No.25369-01A UOM1 - EA FinishChrome ManufacturerV-Twin OriginImported 2025...$153.07 -
V-Twin - 42-0317 - Engine Air Scoop Kit Chrome
V-Twin
$78.17V-Twin - 42-0317 - Engine Air Scoop Kit ChromeDescriptionChrome engine air scoop kit will force air to rear cylinder. Mounts to left side of Shovelheads. Bracket included. Fits:FLT 1979-1983FL 1966-1984Additional Information UOM1 - EA ...$78.17 -
V-Twin - 42-0121 - Chrome Cam Cover
V-Twin
$74.67V-Twin - 42-0121 - Chrome Cam CoverDescriptionChrome cover is designed to fit stock cases. Made to bolt to existing screws without disturbing cams or gears. No need to remove cam case for installation. Fits:FXST 2001-2017FLST 2001-2017FXD 2001-2017FLT...$74.67 -
V-Twin - 42-0111 - Cam Cover Trim Chrome
V-Twin
$63.23V-Twin - 42-0111 - Cam Cover Trim ChromeDescriptionThis form fit cam cover chrome trim fits over stock cam cases. No need to remove the cam case or disturb the cam or gears. Covers are held in place by existing screws. Fits:FL 1970-1984FXD 1991-1992FXR...$63.23 -
V-Twin - 37-9521 - Cylinder Hardware Kit Chrome
V-Twin
$110.77V-Twin - 37-9521 - Cylinder Hardware Kit ChromeDescriptionChrome cylinder hardware kit with studs, for 2 heads. Fits:FLT 1984-1991FXR 1984-1991FXD 1991-1991FLST 1986-1991FXST 1984-1991Additional Information UOM1 - KIT ManufacturerV-Twin OriginUSA ...$110.77 -
V-Twin - 37-9399 - Cylinder Headbolt Cover Set Black
V-Twin
$31.84V-Twin - 37-9399 - Cylinder Headbolt Cover Set BlackDescription4 piece cylinder headbolt cover set features a black finish. Fits:XL 1986-UPFLST 1986-UPFXST 1986-UPFLT 1986-UPFXR 1986-UPAdditional Information UOM1 - SET ManufacturerV-Twin ...$31.84 -
V-Twin - 37-9370 - Head Bolt Hardware Kit
V-Twin
$129.31V-Twin - 37-9370 - Head Bolt Hardware KitDescriptionHead bolt hardware kit for one head. Fits:XL 1986-1992Additional Information UOM1 - KIT ManufacturerV-Twin OriginUSA 2025 Catalog Pages854 Replacement Items37-9260 - *UPDATE Cylinder Stud...$129.31 -
V-Twin - 37-9322 - Cylinder Hardware Kit with Chrome Headbolts
V-Twin
$125.57V-Twin - 37-9322 - Cylinder Hardware Kit with Chrome HeadboltsDescriptionCylinder hardware kit includes studs and chrome headbolts for one cylinder head.*NOTE: 2 kits are required per engine. Fits:FXD 1992-1998FLST 1992-1998FXR 1992-1994FLT 1992-1998FXST...$125.57 -
V-Twin - 37-9259 - Cylinder Stud
V-Twin
$77.73V-Twin - 37-9259 - Cylinder StudDescriptionCylinder studs with a thread size os 3/8"-16 for Evolution models are a set of eight. Fits:FXST 1986-1998FLT 1986-1998FXD 1991-1998FXR 1986-1994FLST 1986-1998Additional Information OEM No.16837-85C UOM8 - SET ...$77.73 -
V-Twin - 37-9191 - Chrome Engine Case Allen Bolt Kit
Gardner-Westcott
$90.32V-Twin - 37-9191 - Chrome Engine Case Allen Bolt KitDescriptionAllen type engine case bolt kit has a chrome finish. Fits:FLT 1984-1995FXST 1984-1995FLST 1986-1995FXD 1991-1995FXR 1984-1994Additional Information UOM1 - KIT ManufacturerGardner-Westcott ...$90.32 -
V-Twin - 37-9131 - Head Bolt Cover Set Chrome
V-Twin
$25.89V-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 ...$25.89 -
V-Twin - 37-9074 - Cylinder Washer Set Zinc
Eastern
$17.86V-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 Pages178$17.86 -
V-Twin - 37-9019 - Head Bolt Set Chrome
V-Twin
$84.52V-Twin - 37-9019 - Head Bolt Set ChromeDescriptionChrome 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...$84.52 -
V-Twin - 37-8951 - Cylinder Studs
S&S Cycle
$115.32V-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 ...$115.32 -
V-Twin - 37-8935 - Cylinder Stud Insert
Eastern
$22.60V-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 ...$22.60 -
V-Twin - 37-8897 - Head Bolt Cover Set Dome Chrome
V-Twin
$19.86V-Twin - 37-8897 - Head Bolt Cover Set Dome ChromeDescriptionChrome dome style head bolt cover set Fits:FXST 1984-1985FLT 1984-1985FXR 1984-1985Additional Information UOM4 - SET ManufacturerV-Twin OriginImported 2025 Catalog Pages36$19.86 -
V-Twin - 37-8831 - Cylinder Headbolt Set Chrome
Gardner-Westcott
$84.52V-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...$84.52 -
V-Twin - 37-8799 - Cylinder Headbolt Cover Set Chrome
V-Twin
$25.87V-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...$25.87 -
V-Twin - 37-4050 - Head Screw
V-Twin
$12.30V-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 485$12.30 -
V-Twin - 37-1526 - Wyatt Gatling Chrome Allen Head Bolt Caps 1/4 inch
V-Twin
$21.76V-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. ...$21.76 -
V-Twin - 37-1209 - Head Bolt Cover Set Chrome
V-Twin
$15.76V-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...$15.76 -
V-Twin - 37-1202 - Cam Cover Allen Type Screw Kit
V-Twin
$28.96V-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$28.96 -
V-Twin - 37-0799 - Split Lock Washers Parkerized 1/2 inch
Colony
$15.72V-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...$15.72 -
V-Twin - 37-0516 - Internal Biter Lock Washers 3/8 inch
V-Twin
$11.86V-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...$11.86 -
V-Twin - 37-0097 - Magnetic Engine Case Drain Plug
V-Twin
$7.72V-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 ...$7.72 -
V-Twin - 3260-36 - Parkerized Head Bolt and Washer Set
Colony
$101.00V-Twin - 3260-36 - Parkerized Head Bolt and Washer SetDescriptionStock head bolt and washer set features a parkerized finish. Fits:VL 1930-1930 Early 1930Additional Information OEM No.14-30+0228 UOM1 - SET ManufacturerColony OriginUSA 2025 Catalog...$101.00 -
V-Twin - 3127-20 - Parkerized Headbolt Kit
Colony
$79.32V-Twin - 3127-20 - Parkerized Headbolt KitDescriptionParkerized plain headbolt kit includes washers. Fits:FL 1940-1947Additional Information UOM1 - KIT ManufacturerColony OriginUSA 2025 Catalog Pages515$79.32
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.