Engine
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V-Twin - 14-0452 - Knucklehead Valve Guide Seal Set - Fits 1936-1940 Harley-Davidson EL, 1941-1947 FL
V-Twin Mfg
$21.63Valve guide seals for stock guides for Knucklheads.*NOTE: Sold as a set of 4. Fits:EL 1936-1940FL 1941-1947Additional Information UOM1 - S$21.63 -
V-Twin - 14-0375 - Valve Guide Seals - Fits 1979-1983 Harley-Davidson FLT, 1982-1983 FXR, 1981-1984 FL, FX
V-Twin Mfg
$29.11Sifton valve guides seals are metal type with rubber insert for Shovelhead engines. Fits:FLT 1979-1983FXR 1982-1983FL 1981-1984FX 1981-1984Additional Information <$29.11 -
V-Twin - 11-0901 - Pushrod Cover Kit
Motorshop
$121.19V-Twin - 11-0901 - Pushrod Cover KitDescriptionChrome kit includes the inner pushrod cover set, lower pushrod cover set, cover spring, cover spring cup, cover washer, gasket, and clip. Fits:FX...$121.19 -
V-Twin - 11-0882 - 95 inch Big Bore Twin Cam Cylinder and Piston Kit
Motorshop
$1,159.33V-Twin - 11-0882 - 95 inch Big Bore Twin Cam Cylinder and Piston KitDescription95" Big Bore kit will increase TC-88 engines to 95". Kit includes black cylinders with 10.5.1 forged pistons.Pistons are...$1,159.33 -
V-Twin - 11-0871 - Piston Wrist Pin and Lock Kit
Motorshop
$24.83V-Twin - 11-0871 - Piston Wrist Pin and Lock KitDescriptionWrist pin and lock kit includes two wrist pins and four lock rings. Fits:FXST 1984-1998FLT 1984-1998FXD 1991-1998FXR 1984-1994FLST...$24.83 -
Threebond - 1184A100G - Liquid Gasket - 3.4 oz. net wt. - Tube
Threebond
$19.95Threebond - 1184A100G - Liquid Gasket - 3.4 oz. net wt. - TubeFeaturesMSDS Migration DataA synthetic rubber, visco-elastic sealer that is semi-dryingApplications include sealing transmission case...$19.95 -
Goodridge - P816-06-02SCH - Oil Line Fitting - Straight - 1/8" NPT
Goodridge
MSRP: $8.61$7.95Goodridge - P816-06-02SCH - Oil Line Fitting - Straight - 1/8" NPTFeaturesFemale fittings match stainless steel braided hoses to form complete oil line assembliesMade in the USASpecsMSRP: $8.61$7.95 -
Wiseco - 3537X - Ring Set
Wiseco
$52.95Wiseco - 3537X - Ring SetFeaturesInclude rings for one piston onlyWiseco rings fit only Wiseco pistons.Specs$52.95 -
S&S Cycle - 94-1210X - Replacement Piston Rings - 3.625" - Standard
S&S Cycle
$67.95S&S Cycle - 94-1210X - Replacement Piston Rings - 3.625" - StandardFeaturesReplacement ring sets for S&S pistons onlyRings come as sets for two pistonsMade in the USASpecs$67.95 -
S&S Cycle - 93-4022 - Pushrod Cover O-Ring Kit - Fits 2017-2025 M-Eight, 1999-2017 Twin Cam and 1986-2003 XL; 1984-1999 Evolution Big Twin
S&S Cycle
$12.95S&S Cycle - 93-4022 - Pushrod Cover O-Ring KitFeaturesFor O-ring style bottom coverIncludes all parts for four pushrods: top, middle and bottom O-ringsSpecs$12.95 -
S&S Cycle - 31-4009 - Cam Bearing - Big Twin
S&S Cycle
$17.95S&S Cycle - 31-4009 - Cam Bearing - Big Twin Features Superior quality OE replacement bearings Made in the U.S.A. Specs$17.95 -
Kibblewhite - 71036-4 - Valve Seal - Fits L1970-1984 Shovelhead (0.562")
Kibblewhite
$8.16Kibblewhite - 71036-4 - Valve SealFeaturesMade in the U.S.A.Replacement Part for OEM Number(s): 1800081SpecsL$8.16 -
Feuling Parts - 7320 - Camchest Kit - OE+ Hydraulic Cam Chain Conversion - 525 Series - Twin Cam
Feuling
$1,839.95Feuling Parts - 7320 - Camchest Kit - OE+ Hydraulic Cam Chain Conversion - 525 Series - Twin CamFeaturesKit includes Feuling® OE+® oil pump, OE+® camplate, Reaper® series conversion camshafts, HP+®...$1,839.95 -
Feuling Parts - 1076 - Valve Guide Seals - For 7.00 mm Valve Stem - 88"/96"/103" Twin Cam | XL
Feuling
$15.95Feuling Parts - 1076 - Valve Guide Seals - For 7.00 mm Valve Stem - 88"/96"/103" Twin Cam | XLFeaturesHigh-quality Viton® valve guide sealsDesigned to handle high engine temperatures with a built-in...$15.95 -
Feuling Parts - 2076 - Inner Cam Bearings
Feuling
$32.95Feuling Parts - 2076 - Inner Cam BearingsFeaturesInner cam bearings are heavy-duty full-complement style designed to accept the higher loads and demands of performance enginesManufactured by Koyo®...$32.95 -
Eastern Motorcycle Parts - A-8977 - Bearing
Eastern Motorcycle Parts
$41.95Eastern Motorcycle Parts - A-8977 - BearingFeaturesReplacement mainshaft bearing for 5-speed Big TwinsReplacement Part for OEM Number(s): 8977Specs$41.95 -
Ciro - 70007 - Caps - Rocker Box/Bolt - Peaked - Chrome
Ciro
$39.99Ciro - 70007 - Caps - Rocker Box/Bolt - Peaked - ChromeFeaturesPrecision fit and simple press-on installationCover up old, dull or rusty boltsMade from stamped steelFor Twin Cam engines.Specs$39.99 -
Cometic - C10127 - Cylinder Base Gasket O-Ring Kit - 110" - Twin Cam
Cometic
$10.95Cometic - C10127 - Cylinder Base Gasket O-Ring Kit - 110" - Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep,...$10.95 -
Cometic - C9646F1 - Oil Pan Gasket - Dyna
Cometic
$13.60Cometic - C9646F1 - Oil Pan Gasket - DynaFeaturesAluminum Foamette Material gaskets feature an aluminum core and a chemically blown, compounded nitrile synthetic rubber coating that is bonded to the...$13.60 -
Cometic - C9130 - Gasket Kit - EVO/Big Twin
Cometic
$110.20Cometic - C9130 - Gasket Kit - EVO/Big TwinFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber...$110.20 -
Custom Cycle Engineering - DMM 2014-2 - Rear Motor Mount - Dyna
Custom Cycle Engineering
$646.95Custom Cycle Engineering - DMM 2014-2 - Rear Motor Mount - Dyna Features Motor mount system replaces the inadequate stock mounts Made in the U.S.A. Specs$646.95 -
James Gasket - Cam Cover Gasket fits '93-'99 Evolution Models (Metal w/ Silicone (OEM #25225-93))
James Gaskets
$10.95James Gasket - Cam Cover Gasket fits '93-'99 Evolution Models (Metal w/ Silicone (OEM #25225-93)) Features: Replacement gaskets for cam chests$10.95 -
S&S Cycle - Billet Oil Pump fits '70-'91 Big Twin Models
S&S Cycle
MSRP: $499.95$445.95S&S Cycle - Billet Oil Pump fits '70-'91 Big Twin Models Features: Kit includes an oil pump with cover, mounting bolts, supply and return gears, drive shaft with keys and snap rings, check ball...MSRP: $499.95$445.95 -
S&S Cycle - Replacement Billet Oil Pump Gasket Kit
S&S Cycle
$17.95S&S Cycle - Replacement Billet Oil Pump Gasket Kit Features: Made in the U.S.A. Fitment$17.95 -
Colony - 9634-4 Chrome Oil Pump Check and Relief Valve Plug fits '84-'98 FXST, '82-'94 FXR, '91-'98 FXD Models
Colony Machine
$29.45Colony - 9634-4 Chrome Oil Pump Check and Relief Valve Plug fits '84-'98 FXST, '82-'94 FXR, '91-'98 FXD Models Oil pump check and relief valve plug with a chrome finish. Fitment: FLT...$29.45 -
Colony - 9859-20 Lower Engine Mount Kit fits '89-'99 FLT, '89-'94 FXR Models
Colony Machine
$39.07Colony - 9859-20 Lower Engine Mount Kit fits '89-'99 FLT, '89-'94 FXR Models Chrome lower engine mount bolt kit. Fitment: FLT 1989-1999 FXR 1989-1994$39.07 -
James Gaskets - James Rubber Rocker Box Gasket Kit W/ RCM Base Gaskets fits '07-'21 Sportster Models (Exc. '21 Sportster S/RH1250S)
James Gaskets
$91.95James Gaskets - James Rubber Rocker Box Gasket Kit W/ RCM Base Gaskets fits '07-'21 Sportster Models (Exc. '21 Sportster S/RH1250S) This kit comes complete with all of the necessary inner, upper and...$91.95 -
Drag Specialties - P-09330076 - Motor Mount Stabilizer for Harley Model
Drag Specialties
$86.87 - $94.29Drag Specialties Motor Mount Stabilizer for Harley Model Motor mount stabilizer for Harley Touring, FXR, and Dyna Glide models. Make sure you check the fitment table below to ensure it will fit your...$86.87 - $94.29 -
S&S - Harley Oil Filter fits '99-Up Harley Twin Cam, '17-Up M8 - Black or Chrome
S&S Cycle
$20.95 - $23.95S&S - Harley Oil Filter (Chrome or Black) - fits '99-Up Harley Twin Cam, '17-Up M8 Features Sturdy steel canister houses the finest filtering media and internal components available Canister is...$20.95 - $23.95 -
S&S Harley Oil Filter fits '84-'99 Big Twin & '86-Up XL Sportsters - Black or Chrome
S&S Cycle
$20.95 - $23.95S&S Harley Oil Filter fits '84-'99 Big Twin & '86-Up XL Sportsters - Black or Chrome This S&S Oil Filter fits '84-'99 Big Twin & '86-Up XL Sportsters and is available in Black or...$20.95 - $23.95 -
La Choppers - Torque Cones
LA Choppers
$47.99 - $74.99LA Choppers Torque Cones LA Choppers Torque Cones available as normal torque cones, or the new Vortex design which increases back pressure to improve torque and horsepower...$47.99 - $74.99 -
James Gaskets - Pushrod Seal Kit W/ Tappet Cover Gaskets and O-Ring fits '99-'17 Twin Cam Models
James Gaskets
$19.95James Gaskets - Pushrod Seal Kit W/ Tappet Cover Gaskets and O-Ring fits '99-'17 Twin Cam Models This kit provides a simple and effective method to properly sell the right amount of seals or O-rings...$19.95 -
Kibblewhite Precision Machining - Rocker Arm Bushing - fits '84-'99 Evo Big Twin, '86-'14 Evo Sportster, '66-'83 Shovelhead
Kibblewhite
$33.95The Kibblewhite Precision Machining Rocker Arm Bushing: Bronze rocker bushing material meets the high standards KPMI set for success KPMI tested and analyzed several bearing-bronze materials for...$33.95 -
V-Twin - Black Top Engine Mount Stabilizer fits '05-'17 Dyna Models
V-Twin Mfg
$174.58V-Twin - Black Top Engine Mount Stabilizer fits '05-'17 Dyna Models V-Twin's Black Finish Top Motor Mount Stabilizer Kit comes with adjustable stabilizer links and all necessary hardware to ensure a...$174.58 -
HardDrive - 80" Shovelhead Cylinder - (Front or Rear)
HardDrive
$227.66The HardDrive 80" Shovelhead Cylinder: Black powder-coated cast iron cylinders All cylinders must be finish honed and matched to pistons Sold each$227.66 -
Feuling - 12-Point External Primary/Transmission Engine Fastener Kit fits '99-'05 Dyna Models
$299.95Feuling - 12-Point External Primary/Transmission Engine Fastener Kit fits '99-'05 Dyna Models The 12-Point External Primary/Transmission Engine Fastener Kit allows you to secure your engine with...$299.95 -
S&S Cycle - Quickee Pushrod Kit w/ Black Covers for Harley Twin Cam 1999-2017
S&S Cycle
$336.95S&S Quickee Pushrod Kit w/ Black Covers for Harley Twin Cam 1999-2017 Kits include four S&S Quickee pushrods, four pushrod covers, O-rings Pushrods are manufactured from chromoly steel for...$336.95 -
S&S Cycle - Gloss Black Pushrod Tube Keepers for Twin Cam 1999-2017
S&S Cycle
$40.95S&S Gloss Black Pushrod Tube Keepers for Twin Cam 1999-2017 Simple, effective way to enhance the look of your engine Sold in a set of four$40.95 -
Feuling - Cylinder Stud Kit - fits '99-'16 Twin Cam , '85-'99 Evo Big Twin
$130.95 - $169.95The Feuling Cylinder Stud Kit: The stongest studs available Feuling studs are installed to a torque spec can be reused and carry a lifetime warranty Heat-treated 8740 chrome moly studs Stock...$130.95 - $169.95 -
Feuling - Engine Bolt Fastener Kit fits '91-'03 Sportster Models
Feuling
$219.95Feuling - Engine Bolt Fastener Kit fits '91-'03 Sportster Models This is a complete external fastener kit specifically designed for certain Harley-Davidson Sportster models (See 'Fitment' tab)...$219.95
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.