Engine
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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 - 2074 - Inner Cam Bearing - Big Twin
Feuling
$18.95Feuling Parts - 2074 - Inner Cam Bearing - Big TwinFeaturesBearings are heavy-duty full-complement style designed to accept the higher loads and demands of performance enginesManufactured by Koyo®...$18.95 -
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 -
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 - 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 - C10178 - Cam Change Gasket Kit - M8
Cometic
$39.85Cometic - C10178 - Cam Change Gasket Kit - M8FeaturesComponents made from premium materials for long life and correct fitmentIncludes all necessary gaskets, seals, O-rings and cork washers to do a...$39.85 -
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 -
Alloy Art - NGMP-2 - Front Engine Mount - Black
Alloy Art
$179.95Alloy Art - NGMP-2 - Front Engine Mount - Black Features Lighter and stronger than stock CNC Machined Aluminum construction. Hardware included Made in the USA Replacement Part for OEM...$179.95 -
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 -
James Gasket - Oil Pump Gasket/Seal Kit with DL-Style Gasket fits '91-'03 Sportster Models
James Gaskets
$21.95James Gasket - Oil Pump Gasket/Seal Kit with DL-Style Gasket fits '91-'03 Sportster Models Features: Comes with new components that allow you to totally rebuild/rebush most oil pumps Made in the...$21.95 -
Drag Specialties - Oil Filter fits 'L82-'84 FLH, 'L82-'86 FX/FXWG, '80-'E84 Sportster Models (OEM #63782-80A, 63810-80)
Drag Specialties
$10.45 - $12.55Drag Specialties - Oil Filter fits 'L82-'84 FLH, 'L82-'86 FX/FXWG, '80-'E84 Sportster Models (OEM #63782-80A, 63810-80) Features: High-quality spin-on filters are a dependable...$10.45 - $12.55 -
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 -
S&S Cycle - Solid Lifter Conversion Kit fits '66-'84 Shovelhead Model
S&S Cycle
$175.95S&S Cycle - Solid Lifter Conversion Kit fits '66-'84 Shovelhead Model Features: Converts stock hydraulic lifters to adjustable solids Kit includes four nonadjustable steel pushrods, four...$175.95 -
S&S Cycle - Adjustable Pushrods fits '84-'99 Evolution Big Twin Models
S&S Cycle
MSRP: $174.95$152.95S&S Cycle - Adjustable Pushrods fits '84-'99 Evolution Big Twin Models Features: .4375" diameter chromoly steel for maximum strength Rocker boxes must be removed for installation or removalMSRP: $174.95$152.95 -
Colony - 8931-16 Rocker Box Cover Allen Screw fits '84-'98 FXST/FLT, '86-'UP XL, '91-'98 FXD Models - Chrome
Colony Machine
MSRP: $25.75$24.07Colony - 8931-16 Rocker Box Cover Allen Screw fits '84-'98 FXST/FLT, '86-'UP XL, '91-'98 FXD Models - Chrome Chrome rocker box cover allen screw kit Fitment: FXST 1984-1998 FLT 1984-1998 XL...MSRP: $25.75$24.07 -
Colony - 9634-4 Chrome Oil Pump Check and Relief Valve Plug fits '84-'98 FXST, '82-'94 FXR, '91-'98 FXD Models
Colony Machine
MSRP: $28.64$26.77Colony - 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...MSRP: $28.64$26.77 -
Colony - 9859-20 Lower Engine Mount Kit fits '89-'99 FLT, '89-'94 FXR Models
Colony Machine
$35.52Colony - 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$35.52 -
V-Twin - Intake Manifold Seal Kit fits '90-'17 FLST/FXST, '88-'06 Sportster Models
V-Twin Mfg
$27.12V-Twin - Intake Manifold Seal Kit fits '90-'17 FLST/FXST, '88-'06 Sportster Models Manifold seal kit is to reseal late model manifolds with CV carburetor Fitment: FLST 1990-2017 FXD 1991-2017 FXST...$27.12 -
Wyatt Gatling - Shovelhead Chrome Rocker Box Line Kit fits '79-'83 FLT, '66-'84 FL, '82-'83 FXR Models
Wyatt Gatling
$67.58Wyatt Gatling - Shovelhead Chrome Rocker Box Line Kit fits '79-'83 FLT, '66-'84 FL, '82-'83 FXR Models Natural brass rocker box line kit includes "T" to oil the heads with 6mm brass tube and brass...$67.58 -
Colony - Hydraulic Pushrods fits '66-'84 Shovelhead w/ Hydraulic Lifters (OEM #17904-66)
Colony Machine
$74.95Colony - Hydraulic Pushrods fits '66-'84 Shovelhead w/ Hydraulic Lifters (OEM #17904-66) Features: Aircraft-grade aluminum tubing Heat-treated steel tips$74.95 -
Colony - Replacement Cylinder Stud Set fits '86-'22 Sportster Models (Except RH Sportster (OEM #16832-86A))
Colony Machine
$88.95Colony - Replacement Cylinder Stud Set fits '86-'22 Sportster Models (Except RH Sportster (OEM #16832-86A)) Features: Heat-treated for strength and durability Equal or surpass original...$88.95 -
Colony - Cylinder Base Spacer Kit fits '78-'84 Big Twin Models (OEM #16836-78)
Colony Machine
$24.95Colony - Cylinder Base Spacer Kit fits '78-'84 Big Twin Models (OEM #16836-78) Features: Individual chrome bolt and nut sets for specific applications Made in the U.S.A.$24.95 -
Joker Machine - Points Cover fits '99-'17 Twin Cam Models - Anodized Black
Joker Machine
$65.95 - $72.95Joker Machine - Points Cover fits '99-'17 Twin Cam Models - Anodized Black This cover is available in your choice of a finned or smooth finish. Features Include mounting screws Made in the U.S...$65.95 - $72.95 -
Drag Specialties - Oil Pump Assembly Fits '91-'22 XL Models (Exc. '21-'22 Sportster S/RH 1250S, '22 Nightster/RH975 Models)
Drag Specialties
$312.65Drag Specialties - Oil Pump Assembly Fits '91-'22 XL Models (Exc. '21-'22 Sportster S/RH 1250S, '22 Nightster/RH975 Models) This is a high-quality replacement cast aluminum pump body with steel...$312.65 -
Feuling - Dress Up Engine Case Bolt Fastener Kit fits '99-'17 Twin Cam A Motors
Feuling
$99.95Feuling - Dress Up Engine Case Bolt Fastener Kit fits '99-'17 Twin Cam A Motors This kit features precision-rolled threads for the utmost engagement in order to stop galling and deliver better...$99.95 -
Feuling - Rocker Shaft Kit fits '17-'22 M8 Touring & '18-'22 Softail Models
Feuling
$329.95Feuling - Rocker Shaft Kit fits '17-'22 M8 Touring & '18-'22 Softail Models Fueling's Rocker Shaft Kits feature custom tooling that's built to deliver a countersink relief for the bolt/nut head as...$329.95 -
Feuling - 12-Point External Engine Fastener Kit fits '17-'22 Touring Models
Feuling
$399.95Feuling - 12-Point External Engine Fastener Kit fits '17-'22 Touring Models This kit comes with a cam cover, lifter block covers, rocker covers, case bolts, oil lines, a volt regulator, exhaust...$399.95 -
Performance Machine - Black Ops Race Series Cam Cover '17-'23 Harley M8 Models
Performance Machine
$362.95Performance Machine - Black Ops Race Series Cam Cover '17-'23 Harley M8 Models Features: CNC machined from billet aluminium Dissipates heat more efficiently vs. stock covers$362.95 -
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 -
S&S Cycle - 96" Big Bore Kit fits '84-'00 Evolution Big Twin Engines (3⅝" Bore, 4⅝" Stroke, 9.75:1 Compression Ratio W/ Stock Heads)
S&S Cycle
$1,489.95S&S Cycle - 96" Big Bore Kit fits '84-'00 Evolution Big Twin Engines (3⅝" Bore, 4⅝" Stroke, 9.75:1 Compression Ratio W/ Stock Heads) The cylinders featured in this kit are built with premium...$1,489.95 -
S&S Cycle - Stock Bore Cylinder and Stroker Piston Kit fits '66-'84 Shovelhead Engines
S&S Cycle
MSRP: $1,999.95$1,995.95S&S Cycle - Stock Bore Cylinder and Stroker Piston Kit fits '66-'84 Shovelhead Engines This cylinder and piston kit can be used to create 84", 86" or 88" stroker engines, or to replace the cylinders...MSRP: $1,999.95$1,995.95 -
S&S Cycle - Wrinkle Black 110" Bolt-In Sidewinder® 4" Big Bore Kit fits '07-'17 Twin Cam Engines
S&S Cycle
MSRP: $1,549.95$1,540.95S&S Cycle - Wrinkle Black 110" Bolt-In Sidewinder® 4" Big Bore Kit fits '07-'17 Twin Cam Engines This Big Bore Kit has a 10.5:1 compression ratio (W/ stock 85cc heads) that will transform your...MSRP: $1,549.95$1,540.95 -
Dynojet - Radiator Guard fits '21-Up Pan America Model
Dynojet
$182.21Dynojet - Radiator Guard fits '21-Up Pan America Model Features: Comes with mounting brackets and hardware Made in the U.S.A. Easy install$182.21 -
S&S Cycle - Master Rebuild Kit For S&S Oil Pump - fits '92-'99 Harley Models
S&S Cycle
$39.95S&S Cycle - Master Rebuild Kit For S&S Oil Pump - fits '92-'99 Harley Models Features: Master rebuild kit for S&S oil pump. Made in the U.S$39.95 -
S&S Cycle - Headbolt Kit fits '84-'17 Big Twin & '86-'03 XL Models W/ S&S Heads
S&S Cycle
$149.95S&S Cycle - Headbolt Kit fits '84-'17 Big Twin & '86-'03 XL Models W/ S&S Heads Features Set of 8 Head Bolts & Washers 4 Head Bolts: 12 pt, 3/8-16 x 3.384" x .950" TD Installation Instructions$149.95 -
Old-STF Cycle - Brass Rocker Box Oil Line fits '57-'85 Ironhead
Old-STF Cycle
$72.95Old-STF Cycle - Brass Rocker Box Oil Line fits Ironhead Sportster Features: Old-Stf Ironhead Sportster loop rocker box lines. 1/4" Brass oil lines pre- bent with all necessary fittings. Easy...$72.95 -
Slyfox - Carbon Timing Cover fits '17-Up M8 Models
Slyfox
$64.95Slyfox - Carbon Timing Cover fits '17-Up M8 Models Fitment 2021 Harley-Davidson Street Glide EFI FLHX 2021 Harley-Davidson$64.95 -
S&S Cycle - Hooligan Kits fits '00-'20 XL Models
S&S Cycle
MSRP: $1,999.95$1,822.95S&S Cycle - Hooligan Kits fits '00-'20 XL Models S&S Cycle's Hooligan Kits are bolt on big-bore kits that provide easy installation without any machining or rebalancing. The cams are .482" lift and...MSRP: $1,999.95$1,822.95 -
Feuling - 574 Race Series® Chain Drive Camchest Kits for All '07-'17 Twin Cam and '06 Dyna Glide
Feuling
$1,879.95Feuling - 574 Race Series® Chain Drive Camchest Kits for All '07-'17 Twin Cam and '06 Dyna Glide Features All necessary components from top to bottom of the camchest All parts work and function...$1,879.95
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.