Engine
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Custom Cycle Engineering - EVO Finned Rocker Covers fits '84-'99 Evolution Big Twin Models
Custom Cycle Engineering
$475.95Custom Cycle Engineering - EVO Finned Rocker Covers fits '84-'99 Evolution Big Twin Models Custom Cycle Engineering's EVO Finned Rocker Covers have undersides that have been machined for greater clearance. This will allow them to accommodate almost any...$475.95 -
Feuling M Eight Engine Stand
$169.95Feuling M Eight Engine Stand Stand for Milwaukee Eight engines. For the following models: YearMakeModel 2017-Up Harley-Davidson Electra Glide Ultra Classic (EFI) - FLHTCU 2017-Up Harley-Davidson Electra Glide Ultra Limited - FLHTK ...$169.95 -
Out of stock
S&S Big Bore Kit for M8 Harley Softail & Touring '17-Up
S&S Cycle
$929.95S&S Big Bore Kit for M8 Harley Softail & Touring '17-Up This S&S Big Bore Kit is for Milwaukee-Eight Harley Softail and Touring models 2017 and up, including Softail Heritage Classic and Breakout. Available as a whole kit or as a cylinder...$929.95 -
Drag Specialties - Rear Isolator Mount Kit - Fits '14-'18 Harley XL Sportster Models
Drag Specialties
$206.98Drag Specialties Front Isolator Mount Kits Fits '14-'18 Harley Davidson XL Sportster Models Features: Kit includes all parts needed to replace rear isolator mounts Rear kits PART #0933-0119 include OEM #s 16291-04 isolator mount, 48492-04 isolators,...$206.98 -
On Sale
Feuling - Cylinder Stud and Head Bolt Kit - fits '99-'16 Twin Cam
MSRP: $434.95Now: $349.99Was: $429.95The Feuling Cylinder Stud and Head Bolt Kit: The strongest studs and bolts available Top engine builders demand quality fasteners. Secure your engine with complete confidence Superior in strength and performance to any other cylinder stud head bolt kit...MSRP: $434.95Now: $349.99Was: $429.95 -
James Gaskets - Cam Quick Change Gasket Seal Kit - fits '93-'99 Evo
James Gaskets
$34.95James Gaskets Evo Gasket Kits use state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '93-'99 Evo$34.95 -
James Gaskets - Evo Motor Gasket Kit w/ MLS Head Gaskets - fits '84-'91 Evo
James Gaskets
$164.95James Gaskets Evo Gasket Kits use state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '84-'91 Evo$164.95 -
On Sale
Fueling - Head Bolt Kit - fits '92-'10 Sportsters, '85-'15 Big Twins
MSRP: $299.95Now: $239.99Was: $310.95The Fueling Head Bolt Kit are the strongest bolts available. Secure your engine with complete confidence. Superior in strength and performance, exceeds the needs of high performance engines Precision j-form threads for optimum engagement, to prevent...MSRP: $299.95Now: $239.99Was: $310.95 -
On Sale
Colony - Cylinder Head Bolt Set - Chrome fits Harley FL, FX, and XL (see desc.)
Colony Machine
MSRP: $109.98Now: $107.99Was: $132.11Colony cylinder head bolt set with a chrome finish. Fits: FXST 1985-1991 XL 1986-1992 FLST 1986-1991 FLT 1985-1991 FXR 1985-1991 UOM: 8 - SETMSRP: $109.98Now: $107.99Was: $132.11 -
V-Twin - 883-1200cc Cylinder and Piston Conversion Kit fits '86-'03 XL - Black
V-Twin Mfg
MSRP: $713.81$648.92V-Twin's 1200cc XL conversion cylinder and piston set includes 2 black finished with milled edge fin cylinders. Cylinders have fitted Wiseco moly 9.5:1 reverse dome piston and ring set. Order rocker box gasket set, base/head gaskets separately. Fits: ...MSRP: $713.81$648.92 -
V-Twin - Left Crankcase Main Bearing Set fits '77-'03 XL Sportster
V-Twin Mfg
$113.15Timken left crankcase main bearing set is factory assembled with correct spacer for proper end play. Sold as a pair. Fits: XL 1977-2003 OEM No: 24729-74$113.15 -
Colony - Acorn Cam Cover Screw Set fits Harley FL, FX (see desc.) - Chrome
Colony Machine
$27.99Acorn cam cover screw Fits:FL 1970-1984FX 1971-1984FLT 1979-1992FXR 1982-1992FXST 1984-1992FLST 1986-1992FXD 1991-1992$27.99 -
Clymer - CM4232 - Repair Manual Harley Davidson Fls/Fxs
Clymer
$64.95Clymer - CM4232 - Repair Manual Harley Davidson Fls/FxsFeaturesGlobal Trade Item Number: 024185796299Save $$$ by doing the work yourselfMuch cheaper than OEM manualsWritten in an easy to understand formatFitment2005Harley DavidsonFLSTFSE CVO Softail Fat...$64.95 -
Kpmi - 51014-4 - Valve Keepers Set Of Four Twin Cam 99-04 And All Evo
KPMI
$17.95Kpmi - 51014-4 - Valve Keepers Set Of Four Twin Cam 99-04 And All EvoFeaturesOEM Style valve keepersFitment1994-2004Harley DavidsonFLHR Road King1984-2004Harley DavidsonFLHTC Electra Glide Classic1989-2004Harley DavidsonFLHTCU Electra Glide Ultra...$17.95 -
Hiflofiltro - HF178 - Oil Filter
Hiflofiltro
$11.21Hiflofiltro - HF178 - Oil FilterFeaturesGlobal Trade Item Number: 824225110784Provides unbeatable performance and exceptional value, Hiflo filters are the best-selling brand of aftermarket filters for motorcycles worldwideTo achieve our high quality and...$11.21 -
Harddrive - 13-106 - Front Motor Mount Dyna Fx 91-17
HardDrive
$121.95Harddrive - 13-106 - Front Motor Mount Dyna Fx 91-17FeaturesGlobal Trade Item Number: 191361166525Quality replacement urethane rubber motor mountsFor Touring, Dyna and FXR modelsFitment2012-2016Harley DavidsonFLD Dyna Switchback2016-2017Harley...$121.95 -
On Sale
Arlen Ness - 12-Point Titanium Rocker Box Bolt Kit
Arlen Ness
MSRP: $139.95Now: $125.96Was: $139.95Arlen Ness - 12-Point Titanium Rocker Box Bolt Kit Features: 12-Point rocker box bolt kits that are CNC machined from solid titanium Each titanium 12-Point bolt is meticulously CNC machined, featuring a spot drilled bolt head & lightning hole...MSRP: $139.95Now: $125.96Was: $139.95 -
On Sale
Arlen Ness - 12-Point Cam Cover/Point Cover Bolt Kit - Titanium
Arlen Ness
MSRP: $99.95Now: $89.96Was: $99.95Arlen Ness - 12-Point Cam Cover/Point Cover Bolt Kit - Titanium Features: 12-point bolts feature a spot drilled bolt head and lightning hole design on the bolt flange M8 kits include all needed bolts for both the engine's cam cover and point...MSRP: $99.95Now: $89.96Was: $99.95 -
V-Twin - 40-1872 - M8 Oil Control Valve
V-Twin Mfg
$33.19V-Twin - 40-1872 - M8 Oil Control ValveDescriptionOil control valve for air cooled engines on M8 models. Fits:FLT 2017-UPAdditional Information UOM1 - EA ManufacturerV-Twin OriginImported$33.19 -
V-Twin - 40-0850 - Pura Flow Universal Oil Filter Kit
V-Twin Mfg
$68.64V-Twin - 40-0850 - Pura Flow Universal Oil Filter KitDescriptionOur Pura-Flow universal oil filter kit includes bracket, oil filter and hose,*NOTE: Additional stock spin on oil filters available separately. Fits:Custom applicationAdditional Information ...$68.64 -
V-Twin - 40-0830 - Oil Line Retainer Set
V-Twin Mfg
$37.92V-Twin - 40-0830 - Oil Line Retainer SetDescriptionOil line retainer set.Sold as a set of two. Includes oil line to engine and oil line to tank retainer. Fits:FXST 2000-2013FLST 2000-2013Additional Information OEM No.63632-00 UOM1 - SET ...$37.92 -
V-Twin - 40-0342 - Oil Cooler Clamp Set
Wyatt Gatling
$56.69V-Twin - 40-0342 - Oil Cooler Clamp SetDescriptionChrome billet oil cooler clamps are used to mount 1-1/8" diameter oil coolers to 1-1/8" frame tube. Fits:Custom application for 1-1/8" diameter oil coolersAdditional Information UOM1 - SET ...$56.69 -
V-Twin - 40-0340 - Dual Oil Cooler
Wyatt Gatling
$123.05V-Twin - 40-0340 - Dual Oil CoolerDescriptionDual oil cooler V style chrome has a nonremovable top bracket. Cooler will mount to front frame tubes.Order clamps separately. Fits:Custom applicationAdditional Information UOM1 - EA MeasurementsAdditional...$123.05 -
V-Twin - 40-0172 - Drop In Oil Filter
V-Twin Mfg
MSRP: $14.56$14.41V-Twin - 40-0172 - Drop In Oil FilterDescriptionOur V-Twin drop in oil filter includes spring, o-ring and a one piece filter.This oil filter carries the stringent TUV and ISO certifications. The finest materials from around the world go into each filter...MSRP: $14.56$14.41 -
V-Twin - 40-0127 - Rocker Box Oil Line Set
Wyatt Gatling
$34.18V-Twin - 40-0127 - Rocker Box Oil Line SetDescriptionZinc oil line set for Shovelhead rocker boxes includes fittings and seals. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984Additional Information UOM1 - SET ManufacturerWyatt Gatling ...$34.18 -
V-Twin - 37-0043 - Rocker Box Screw Kit Chrome
V-Twin Mfg
$44.44V-Twin - 37-0043 - Rocker Box Screw Kit ChromeDescriptionRocker box screw kit with a chrome finish. Fits:FLT 1999-2016FXST 1999-UPFLST 1999-UPFXD 1999-2017Additional Information OEM No.3693A UOM1 - KIT ManufacturerV-Twin OriginImported 2025 Catalog...$44.44 -
V-Twin - 32-0586 - Oil Pressure Sender Unit
Volt Tech
MSRP: $43.51$42.64V-Twin - 32-0586 - Oil Pressure Sender UnitDescriptionOil pressure sender unit switch with white zinc plated finish.This is an all metal switch with a round type terminal to accept screw or push on terminal. Unit includes long fitting for Big Twin models...MSRP: $43.51$42.64 -
V-Twin - 31-1734 - Zinc Top Engine Mount
V-Twin Mfg
$44.81V-Twin - 31-1734 - Zinc Top Engine MountDescriptionZinc top engine mount chrome replaces stock type and features choke mount. Fits:FX 1977-1983Additional Information OEM No.69013-77A UOM1 - EA ManufacturerV-Twin OriginImported 2025 Catalog Pages483$44.81 -
V-Twin - 31-1727 - OE Top Engine Mount Bolt Spacer
OE
MSRP: $11.88$10.69V-Twin - 31-1727 - OE Top Engine Mount Bolt SpacerDescriptionOE top engine mount bolt spacer. Fits:FLT 2018-UPAdditional Information OEM No.47200430 UOM1 - EA ManufacturerOE OriginUSAMSRP: $11.88$10.69 -
V-Twin - 31-1275 - Chrome Top Motor Mount
V-Twin Mfg
$105.71V-Twin - 31-1275 - Chrome Top Motor MountDescriptionBillet top motor mount with holes has a chrome finish.For Panhead, Shovelhead and Evolution engines. The two holes are drilled and tapped 5/16-18UNC with a center distance of 2". Fits:FL 1948-1985FX...$105.71 -
V-Twin - 31-0713 - Chrome Top Motor Mount
V-Twin Mfg
$124.85V-Twin - 31-0713 - Chrome Top Motor MountDescriptionChrome billet motor mount accepts the stock coil bracket and stock horn mount bracket.Custom application on 1984-2003 XL Fits:XL 1986-2003Additional Information UOM1 - EA ManufacturerV-Twin ...$124.85 -
V-Twin - 31-0212 - Chrome Heavy Duty Two Piece Top Motor Mount Kit
V-Twin Mfg
$63.82V-Twin - 31-0212 - Chrome Heavy Duty Two Piece Top Motor Mount KitDescriptionChrome heavy duty motor mount kit includes 2 mounts constructed of 1/4" thick steel, horn, and choke mount. This mount has provisions to direct mount two bolt ignition coils...$63.82 -
V-Twin - 31-0113 - Chrome Top Motor Mount
V-Twin Mfg
$34.18V-Twin - 31-0113 - Chrome Top Motor MountDescriptionTop motor mount chrome accepts molded coil and is equipped with a key switch hole. Fits:XLH 1957-1977XL 1957-1977Additional Information UOM1 - EA ManufacturerV-Twin OriginImported 2025 Catalog...$34.18 -
V-Twin - 16-1731 - Clear Long Timing Plug Tool
V-Twin Mfg
$9.16V-Twin - 16-1731 - Clear Long Timing Plug ToolDescriptionLong optically clear round timing plug tool assists in the proper timing of your motorcycle. Sold each. Fits:All modelsAdditional Information UOM1 - EA ManufacturerV-Twin OriginUSA 2025 Catalog...$9.16 -
V-Twin - 16-0067 - Headbolt Wrench Tool
Motorshop
$32.07V-Twin - 16-0067 - Headbolt Wrench ToolDescriptionHeadbolt wrench tool with a knurled handle.Handle measures 8-1/2". Fits:W 1930-1952UL 1936-1948VL 1930-1936G 1934-1973Additional Information OEM No.12047-30A UOM1 - EA ManufacturerMotorshop ...$32.07 -
V-Twin - 15-1544 - Panhead Cover inchD inch Gasket Set
Gary Bang
MSRP: $20.30$18.98V-Twin - 15-1544 - Panhead Cover inchD inch Gasket SetDescriptionPaper Panhead valve cover gasket set features .062" thick composite. Fits:FL 1948-1965Additional Information OEM No.17541-48A UOM1 - SET ManufacturerGary Bang OriginImported 2025...MSRP: $20.30$18.98 -
V-Twin - 15-1520 - Oil Filter Adapter Seal
Gary Bang
MSRP: $7.86$7.78V-Twin - 15-1520 - Oil Filter Adapter SealDescriptionOil filter adapter seal Fits:Special applicationAdditional Information UOM1 - EA ManufacturerGary Bang OriginUSA 2025 Catalog Pages426MSRP: $7.86$7.78 -
V-Twin - 15-1501 - V-Twin Cam Cover Gasket
Gary Bang
$29.11V-Twin - 15-1501 - V-Twin Cam Cover GasketDescriptionCam Cover Gasket Fits:FLT 1999-2016FLST 1999-2017FXST 1999-2017FXD 1999-2017Additional Information OEM No.25244-99A UOM5 - PK ManufacturerGary Bang OriginImported 2025 Catalog Pages1309$29.11 -
V-Twin - 15-1433 - James Cam Cover Gasket
James Gaskets
$43.18V-Twin - 15-1433 - James Cam Cover GasketDescriptionJames cam cover gasket made with foamet. Fits:XL 1986-1990Additional Information OEM No.25263-86 UOM5 - PK ManufacturerJames OriginUSA 2025 Catalog Pages1309$43.18 -
V-Twin - 15-1316 - Cometic Cam Cover Gasket
Cometic
MSRP: $17.92$16.12V-Twin - 15-1316 - Cometic Cam Cover GasketDescriptionCometic AFM cam cover gasket.*NOTE: AFM denotes foam surface that is bonded to aluminum. Fits:FLT 1999-2016FLST 1999-2017FXST 1999-2017FXD 1999-2017Additional Information UOM1 - EA ...MSRP: $17.92$16.12
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.