Engine
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On Sale
Fueling - Head Bolt Kit - fits '92-'10 Sportsters, '85-'15 Big Twins
MSRP: $299.95Now: $239.99Was: $299.95The 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...MSRP: $299.95Now: $239.99Was: $299.95 -
Colony - Cylinder Base Stud Set - fits '57-'88 XL
Colony Machine
$37.95Colony cylinder base stud set is heat treated with a interference thread. Fits:XL 1957-1988K 1954-1956$37.95 -
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 -
On Sale
Colony - Acorn Cam Cover Screw Set fits Harley FL, FX (see desc.) - Chrome
Colony Machine
Now: $27.99Was: $32.46Acorn cam cover screw Fits:FL 1970-1984FX 1971-1984FLT 1979-1992FXR 1982-1992FXST 1984-1992FLST 1986-1992FXD 1991-1992Now: $27.99Was: $32.46 -
V-Twin - 31-1275 - Chrome Top Motor Mount - Fits 1948-1985 Harley-Davidson FL, 1971-1999 FX
V-Twin Mfg
$106.74Billet 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...$106.74 -
V-Twin - 15-1316 - Cometic Cam Cover Gasket
Cometic
MSRP: $17.92$17.73V-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...MSRP: $17.92$17.73 -
V-Twin - 15-0640 - V-Twin Rocker Box Gasket with Bead
Gary Bang
$32.31V-Twin - 15-0640 - V-Twin Rocker Box Gasket with BeadDescriptionRocker box gasket beaded Fits:XL 1957-1985Additional Information$32.31 -
V-Twin - 12-1510 - Cam Chest Breather Valve Washer Set
Motorshop
$32.31V-Twin - 12-1510 - Cam Chest Breather Valve Washer SetDescriptionCam chest breather valve washer set includes 8 sizes: .110, .115, .120, .125, .130, .135, .140, .145. Washer set is made of steel and...$32.31 -
V-Twin - 12-1441 - Cam Bearing Washer .055 Size
Eastern Motorcycle Parts
$31.67V-Twin - 12-1441 - Cam Bearing Washer .055 SizeDescriptionCam bearing washer .055 size. Fits:FXST 1984-1998FXR 1982-1994FLT 1979-1998EL 1936-1940FL 1941-1984FXD 1991-1998FLST 1986-1998Additional...$31.67 -
V-Twin - 11-0028 - Hydraulic Pushrod Tappet Set
Sonnax
$216.16V-Twin - 11-0028 - Hydraulic Pushrod Tappet SetDescriptionSifton hydraulic pushrod tappet set includes 4 max axle lifters with integral pump and 4 adjustable steel pushrods. Fits:FLT 1979-1983FX...$216.16 -
V-Twin - 10-0197 - Idler Gear Stud Kit
Motorshop
$29.79V-Twin - 10-0197 - Idler Gear Stud KitDescriptionKit includes cam chest idler gear stud with two bushings, and two fiber red washers. Fits:XL 1957-1985Additional Information$29.79 -
V-Twin - 7410-55T - Engine Case Sprocket Shaft Retainer and Seal - Fits 1955-1968 Harley-Davidson FL
V-Twin Mfg
$26.05Retainer and seal kit for the sprocket shaft Fits:FL 1955-1968Additional Information UOM1 - EA Manufacturer$26.05 -
Drag Specialties - 21100322 - Mini Crankcase Vent Filter
Drag Specialties
MSRP: $20.75$19.95Drag Specialties - 21100322 - Mini Crankcase Vent FilterFeaturesHas a 1/4" mounting tab and accepts a 3/8" i.d. hoseFeatures chrome end caps with washable, reusable filterMeasures 1.5" in diameter...MSRP: $20.75$19.95 -
Pc Racing - PCS1BC - Flo® "Spin-On" Oil Filter - Black with Cooling Fins
PC Racing
$159.95Pc Racing - PCS1BC - Flo® "Spin-On" Oil Filter - Black with Cooling FinsFeaturesFlows 7 times more than paper or synthetic filters while filtering to 35 microns (absolute, 1 pass test)Bypass valve...$159.95 -
S&S Cycle - 50-8091 - Check Valve Ball
S&S Cycle
$4.95S&S Cycle - 50-8091 - Check Valve BallFeaturesOil Pump Check Ball for Harley Davidson modelsSpecsProduct Name$4.95 -
Kb Performance - KB295.010 - Piston Kit - 3.498" +0.010" - 9.0:1 CR - XL1200
KB Performance
$227.95Kb Performance - KB295.010 - Piston Kit - 3.498" +0.010" - 9.0:1 CR - XL1200FeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and longer...$227.95 -
Kibblewhite - 20-23100 - Valve Kit - 1.805" Intake/1.575" Exhaust - 88"/96"/103" Twin Cam '05-'17
Kibblewhite
$142.70Kibblewhite - 20-23100 - Valve Kit - 1.805" Intake/1.575" Exhaust - 88"/96"/103" Twin Cam '05-'17FeaturesAll valves are fortified by a special process to a depth of .002” with a surface buildup of ...$142.70 -
Jims - 24331-36 - Wrist Pin Bushing - XL
Jims
MSRP: $51.95$51.45Jims - 24331-36 - Wrist Pin Bushing - XL Features Machined from solid bronze bar stock Hold concentricity to less than .0002" Lead-in edge for easy installation Made in the U.S.A. SpecsMSRP: $51.95$51.45 -
Feuling Parts - 4061 - Lifters - HP+® - Evolution
Feuling
$289.95Feuling Parts - 4061 - Lifters - HP+® - EvolutionFeaturesPerformance hydraulic roller lifters dyno developed and track testedCNC-machined and precision groundWhen used with Feuling® oil pump, they...$289.95 -
Feuling Parts - 8060 - Inner Roll Chain - 16 Link - Twin Cam
Feuling
$42.95Feuling Parts - 8060 - Inner Roll Chain - 16 Link - Twin CamFeaturesStock replacement chainsFeuling Racing & DevelopmentReplacement Part for OEM Number(s): 2568306Specs$42.95 -
Feuling Parts - 1001 - Camshaft - Chain Drive - 525 Series - Twin Cam
Feuling
$399.95Feuling Parts - 1001 - Camshaft - Chain Drive - 525 Series - Twin CamFeaturesDesigned to increase torque band width and increase fuel economyGreat bolt-in camshaft upgrade for stock 88" and 96"...$399.95 -
Feuling Parts - 8061 - Outer Roller Chain - 22 Link - M8 | Twin Cam
Feuling
$42.95Feuling Parts - 8061 - Outer Roller Chain - 22 Link - M8 | Twin CamFeaturesStock replacement chainsFeuling Racing & DevelopmentReplacement Part for OEM Number(s): 2567506Specs$42.95 -
Feuling Parts - 1006 - Camshaft - Chain Drive - 525 Series - Twin Cam
Feuling
$399.95Feuling Parts - 1006 - Camshaft - Chain Drive - 525 Series - Twin CamFeaturesDesigned to increase torque band width and increase fuel economyGreat bolt-in camshaft upgrade for stock 88" and 96"...$399.95 -
Hiflofiltro - HF170BRC - Performance Oil Filter - Black
Hiflofiltro
$10.05Hiflofiltro - HF170BRC - Performance Oil Filter - BlackFeaturesHeavy-duty steel casing features a pre-drilled welded hex nut for easy removal and installationPerformance filters feature premium high...$10.05 -
Cometic - C9765 - Rocker Gasket - EST - XL
Cometic
$65.05Cometic - C9765 - Rocker Gasket - EST - XLFeaturesPremium materials used for specific applications to provide a long, service free lifeKits include all gaskets, seals, O-rings and quality bolt seals...$65.05 -
Cometic - C9790 - Head Gasket - 3.750" x .030" - 88"/96" - '99-'13 Twin Cam
Cometic
$61.90Cometic - C9790 - Head Gasket - 3.750" x .030" - 88"/96" - '99-'13 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not...$61.90 -
Cometic - C9302F5 - Cam Cover Gasket - Big Twin
Cometic
$9.40Cometic - C9302F5 - Cam Cover Gasket - Big TwinFeaturesHigh-quality products for long-term reliabilityGaskets available in multiple types to best suit the intended applicationManufactured from...$9.40 -
Andrews - 298150 - N4 Grind Cam - XL
Andrews
$504.95Andrews - 298150 - N4 Grind Cam - XLFeaturesCams run to 6500 rpm with stock hydraulic lifters; recommend solids not be installedStock base circle sizes allow the use of stock pushrodsMade in the U.S...$504.95 -
Hofmann Designs - Gear Position Sensor Cover fits '23.5 CVO & '24 Touring Models
Hofmann Designs
$159.95Hofmann Designs - Gear Position Sensor Cover fits '23.5 CVO & '24 Touring Models Upgrade your bike with our high-quality gear position sensor cover. Made in the USA and available in anodized black...$159.95 -
Hofmann Designs - Cam Proximity Sensor Cover fits L'23-'24 CVO Harley Model
Hofmann Designs
$99.95Hofmann Designs - Cam Proximity Sensor Cover fits L'23-'24 CVO Harley Model Features: Machined in the USA from 6061 aluminum Offered in Black anodize finish Designed to replace the new factory...$99.95 -
Colony - 9752-4 Allen Type Oil Filter Adapter Screw Kit fits '86-Up Sportster Models
Colony Machine
MSRP: $7.86$7.78Colony - 9752-4 Allen Type Oil Filter Adapter Screw Kit fits '86-Up Sportster Models Allen type oil filter adapter screw kit Fitment: XL 1986-UPMSRP: $7.86$7.78 -
Colony - 9760-4 Allen Type Tappet Block Screw Kit fits '95-'03 Sportster Models
Colony Machine
MSRP: $15.86$15.70Colony - 9760-4 Allen Type Tappet Block Screw Kit fits '95-'03 Sportster Models Tappet block allen type screw kit. Fitment: XL 1995-2003MSRP: $15.86$15.70 -
Colony - 9772-22 Allen Type Lower Motor Mount Kit fits '86-Up Sportster Models
Colony Machine
MSRP: $44.27$43.38Colony - 9772-22 Allen Type Lower Motor Mount Kit fits '86-Up Sportster Models Lower motor allen type mount kit. Fitment: XL 1986-UPMSRP: $44.27$43.38 -
V-Twin - Chrome Rocker Box Screw Kit fits '77-'85 Sportster Model
V-Twin Mfg
$15.70V-Twin - Chrome Rocker Box Screw Kit fits '77-'85 Sportster Model Chrome rocker box screw kit without studChrome rocker box screw kit without stud Fitment: XL 1977-1985$15.70 -
V-Twin - Front Engine Mount Frame Brace fits '48-'84 FL Model
V-Twin Mfg
$288.24V-Twin - Front Engine Mount Frame Brace fits '48-'84 FL Model Front engine mount weld on frame brace fits rigid frames for replacement and repair. Features a raw steel finish. This is an update...$288.24 -
Colony - 7612-3 Cadmium Oil Line Fitting fits '36-'40 EL, '41-'64 FL, '38-'48 UL Models (OEM #63533-15)
Colony Machine
$26.48Colony - 7612-3 Cadmium Oil Line Fitting fits '36-'40 EL, '41-'64 FL, '38-'48 UL Models (OEM #63533-15) Cadmium Oil Line Fitting Fitment: EL 1936-1940 FL 1941-1964 UL 1938-1948$26.48 -
Colony - Cylinder Base Nut Kit fits '36-'77 Big Twin Models (OEM #0265, 7839)
Colony Machine
$22.95Colony - Cylinder Base Nut Kit fits '36-'77 Big Twin Models (OEM #0265, 7839) Features: Individual chrome bolt and nut sets for specific applications Made in the U.S.A.$22.95 -
Drag Specialties - Oil Pressure Switch fits '84-'99 Evolution Big Twin Models (Except '87-'98 FLHT/FLTR (OEM #26561-84))
Drag Specialties
$14.93Drag Specialties - Oil Pressure Switch fits '84-'99 Evolution Big Twin Models (Except '87-'98 FLHT/FLTR (OEM #26561-84)) Features: Precision-calibrated replacement oil pressure switches feature...$14.93 -
Colony - Oil Pump Plug Kit fits Big Twin Models (OEM #26263-80)
Colony Machine
$28.95Colony - Oil Pump Plug Kit fits Big Twin Models (OEM #26263-80) Features: Plug and plug kits designed for a variety of Harley-Davidson® oil systems Complete with washers (or O-rings if...$28.95 -
Drag Specialties - Front Brake Master Cylinder Cover (OEM #41700237, 41700338)
Drag Specialties
$45.53 - $59.31Drag Specialties - Front Brake Master Cylinder Cover (OEM #41700237, 41700338) Features: Includes rubber cover gasket Fitment:$45.53 - $59.31
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.