Engine
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Drag Specialties - Front Isolators - Fits '04-'18 Harley XL Sportster Models
Drag Specialties
$30.55Drag Specialties Isolators This Drag Specialties front isolator replaces OEM part number 48463-04. Features: Meets or exceeds OEM specifications Sold each Fitment: YearMakeModel 2014 - 2017 Harley-Davidson Superlow - XL 1200T 2004 - 2006...$30.55 -
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 Chrome Constructed in a sturdy steel canister which...$20.95 - $23.95 -
Rocker Lockers - Top End Noise Reduction Kit fits '07-'22 XL (except RH Sportster)
Rocker Lockers
$24.99Rocker Lockers - Top End Noise Reduction Kit fits '07-'22 XL (except RH Sportster) Want to get rid of that top end ticking noise in your motor? This is exactly what you're looking for! Rocker Lockers' Top End Noise Reduction Kit will eliminate that...$24.99 -
Drag Specialties - Rocker Box Kit - Fits '86-'03 XL Sportster Models
Drag Specialties
$350.83Drag Specialties Rocker Box Kit Fits '86-'03 XL Sportster Models With the Drag Rocker Box Kit you will have a perfect leakproof fit for your Sportster. Available in Chrome. Sold Each. Features: Quality construction with exact dimensions ensures a...$350.83 -
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. Details: High-temperature stainless steel cones have fully radiused edges...$47.99 - $74.99 -
V-twin Trimmed Cam Cover fits '04-Up XL Sportster - Chrome
V-Twin Manufacturing
$267.04V-twin Trimmed Cam Cover fits '04-Up XL Sportster - Chrome V-twin took all the work out of trimming down your Sportster Cam Cover, no more cutting and grinding all of the excess casting to get that trimmed look! This cover fots 2004 and later Sportster...$267.04 -
S&S Cycle - Precision Tappets fits '17 -Up M8, '99 -'17 Twin Cam, '00-'20 Sportster Models
S&S Cycle
$279.95S&S Cycle - Precision Tappets fits '17 -'20 M8, '99 -'17 Twin Cam, '00-'20 Sportster Models These precision tappets feature an all-new and improved design and are sold as a set of four. Features Reduced valve train noise from start up to...$279.95 -
Drag Specialties - Top Motor Mount - Fits '95-'03 Harley XL Sportster Models
Drag Specialties
$79.51Drag Specialties Top Motor Mounts Top Motor Mount for your Harley Sportster by Drag Specialties. Available in Chrome Features: High-quality, chrome motor mount Bolts not included unless noted Fitment: YearMakeModel 1996 -...$79.51 -
Sawicki Speed Shop - Billet End Cap Replacement Kit (Universal Fit)
Sawicki Exhaust
$150.00Sawicki Speed Shop - Billet End Cap Replacement Kit (Universal Fit) Sold each. Fitment Fits all pipes.$150.00 -
Colony - Chrome Rocker Cover Screw Kit fits Harley XL, FL, FXD - Allen
Colony Machine
$23.95Colony - Chrome Rocker Cover Screw Kit fits Harley XL, FL, FXD - Allen Colony Machine Rocker box screw set, Chrome Allen style. Fits: 2000 Harley-Davidson FXR 4 - - 1999 Harley-Davidson FXR 3 - - 1999 Harley-Davidson FXR...$23.95 -
Colony - Head Bolt Set fits '99-'17 Twin Cam & '92-'22 Sportster Models (Except RH Sportster (OEM #16478-85A, 16480-92))
Colony Machine
$86.95Colony - Head Bolt Set fits '99-'17 Twin Cam & '92-'22 Sportster Models (Except RH Sportster (OEM #16478-85A, 16480-92)) Features: 12-point replacement headbolts Made in the U.S.A. Fitment 2016-2017 Harley-Davidson Softail Slim S...$86.95 -
PC Racing - Flo® "Spin-On" Oil Filter fits '17-'23 M-Eight, '99-'17 Twin Cam, '86-'22 XL Models (Except RH Sportsters); '09-'12 XR1200
PC Racing
$149.95PC Racing - Flo® "Spin-On" Oil Filter fits '17-'23 M-Eight, '99-'17 Twin Cam, '86-'22 XL Models (Except RH Sportsters); '09-'12 XR1200 Features: Flows 7 times more than paper or synthetic filters while filtering to 35 microns (absolute, 1 pass...$149.95 -
Colony - Ignition Cover Timer Stud Kit fits '80-'99 Big Twin, '80-'85 Sportster Models (OEM #32601-80, 32606-82)
Colony Machine
$13.95Colony - Ignition Cover Timer Stud Kit fits '80-'99 Big Twin, '80-'85 Sportster Models (OEM #32601-80, 32606-82) Features: Reproduction of original ignition timer cover studs Made in the U.S.A. Fitment 2002-2003 Harley-Davidson 883...$13.95 -
V-twin Trimmed Cam Cover fits '04-Up XL Sportster - Gloss Black
V-Twin Manufacturing
$268.47V-twin Trimmed Cam Cover fits '04-Up XL Sportster - Gloss Black V-twin took all the work out of trimming down your Sportster Cam Cover, no more cutting and grinding all of the excess casting to get that trimmed look! This cover fots 2004 and later...$268.47 -
On Sale
Colony - Rocker Shaft End Plug And Cap Kit - fits '71-Up Shovelhead and '71-'85 XL Models
Colony Machine
MSRP: $46.95Now: $39.99Was: $47.95The Colony Rocker Shaft End Plug and Cap Kit: Meets or exceeds OEM specifications Made in the USA Chrome plated allen style Fitment: '71-Up Shovelhead and '71-'85 XL ModelsMSRP: $46.95Now: $39.99Was: $47.95 -
Colony - Rocker Shaft End Plugs - fits '66-'70 FL, '57-'70 XL
Colony Machine
$39.99The chrome rocker arm shaft end plug makes installation and removal a much easier job than with the original slotted part. Includes 4 plugs per set. Fits: FL 1966-1970 XL 1957-1970$39.99 -
V-Twin - Cam Gear Bushing Set fits '57-'90 XL Sportster
V-Twin Manufacturing
$62.92Bushing set include bushings for #1, 2, 3, 4 cams. NOTE: Bushing set is for outer cam cover. Set of four. Fits: XL 1957-1990 OEM No: 25588-80$62.92 -
Feuling - Primary Bolt Fastener Kit fits '91-'03 Sportster Models
Feuling
$119.95Feuling - Primary Bolt Fastener Kit fits '91-'03 Sportster Models This is a complete external fastener kit specifically designed for certain Harley-Davidson Sportster models. NOTE: Primary cover, clutch cover, A1/4" stainless steel washers...$119.95 -
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 -
On Sale
Colony - Chrome Rocker Cover Screw Kit fits Harley XL, FL, FXD - Acorn
Colony Machine
MSRP: $33.98Now: $29.99Was: $33.98Colony Machine Rocker box screw set, Chrome Acorn style. Fits: FXST 1984-1998 FLST 1986-1998 FLT 1984-1998 FXR 1984-1994 FXD 1991-1998 XL 1986-UPMSRP: $33.98Now: $29.99Was: $33.98 -
Cometic - Primary Gasket Kit fits '91-'03 Sportster Models
Cometic
$56.65Cometic - Primary Gasket Kit fits '91-'03 Sportster Models This kit features Cometic's proprietary AFM (Aluminum Foamette Material) gaskets. These gaskets have an aluminum core with a chemically blown, compounded nitrile synthetic rubber which is bonded...$56.65 -
S&S Cycle - Tappet Cuffs fits '06-'21 XL Models (Exc. '21 Sportster S/RH1250S) Repl. OEM #18505-06
S&S Cycle
$81.95S&S Cycle - Tappet Cuffs fits '06-'21 XL Models (Exc. '21 Sportster S/RH1250S) Repl. OEM #18505-06 With these cuffs, you can capture the tappets and not worry about affecting vertical motion to keep them perfectly aligned, even in high-stress, high...$81.95 -
S&S Chrome Rocker Box for Harley Evo Big Twin 1984-1999
S&S Cycle
$1,279.95 - $1,659.95S&S Chrome Rocker Box for Harley Evo Big Twin 1984-1999 Chrome rocker box available in billet or die-cast construction. Please be sure to check the fitment table below to ensure it will fit your bike! Details: Positive O-ring seal ensures...$1,279.95 - $1,659.95 -
Colony - Cylinder Base Acorn Nut and Washer Set - Chrome fits '57-'84 XL
Colony Machine
$25.99Cylinder Base Chrome Acorn Nut and Washer Set Fits: XL 1957-1984$25.99 -
Colony - Rocker Shaft End Plugs - fits Harley FL, FX, XL (see desc.)
Colony Machine
$39.99The chrome rocker arm shaft end plug makes installation and removal a much easier job than with the original slotted part. Includes 4 plugs per set. Fits: FL 1971-1984 FX 1971-1984 FLT 1979-1983 FXR 1982-1983 XL 1971-1984$39.99 -
Colony - Tappet Adjuster Locknuts fits '38-'84 Big Twin (Except Evolution) & '57-'85 Sportster Models
Colony Machine
$12.95Colony - Tappet Adjuster Locknuts fits '38-'84 Big Twin (Except Evolution) & '57-'85 Sportster Models Features: Split locknuts with 9/32"-32 thread Made in the U.S.A. Fitment 1984 Harley-Davidson Electra Glide Special...$12.95 -
Colony - 7143-4 Rocker Shaft End Plugs fits '66-'70 Shovelhead & '57-'70 Sportster Models
Colony Machine
$36.95Colony - 7143-4 Rocker Shaft End Plugs fits '66-'70 Shovelhead & '57-'70 Sportster Models Features: Designed to make installation or removal easier Made in the U.S.A. Fitment 1966-1970 Harley-Davidson Electra Glide...$36.95 -
Cometic - Primary Gasket Kit fits '77-'90 Sportster Models
Cometic
$56.65Cometic - Primary Gasket Kit fits '77-'90 Sportster Models This kit features Cometic's proprietary AFM (Aluminum Foamette Material) gaskets. These gaskets have an aluminum core with a chemically blown, compounded nitrile synthetic rubber which is bonded...$56.65 -
Feuling - 12-Point External Engine Bolt Fastener Kit fits '04-'17 Sportster Models
Feuling
$269.95Feuling - 12-Point External Engine Bolt Fastener Kit fits '04-'17 Sportster Models The 12-Point External Engine Bolt Fastener Kit allows you to secure your engine with complete confidence. The kit comes with the following hardware: right side cover,...$269.95 -
Drag Specialties - Oil Filter fits 'L82-'84 FLH, 'L82-'86 FX/FXWG, '80-'E84 Sportster Models (OEM #63782-80A, 63810-80)
Drag Specialties
$11.17 - $15.25Drag 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 replacement Fitment 1985 Harley-Davidson Fat Bob...$11.17 - $15.25 -
Colony - Motor Mount Hardware fits '57-'85 Sportster Models (OEM #16218-52, 16230-52, 16237-57) - Chrome
Colony Machine
$46.95Colony - Motor Mount Hardware fits '57-'85 Sportster Models (OEM #16218-52, 16230-52) - Chrome Features: Includes two 3/8"-24 x 613/16" bolts, one 3/8"-24 x 57/16" bolt, one 3/8"-24 x 53/16" bolt, three 3/8"-24 nylock nuts, four 3 /8" serrated...$46.95 -
S&S Cycle - Hooligan Kits fits '00-'20 XL Models
S&S Cycle
$1,709.95 - $1,999.95S&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 240° duration intake and 234° degree...$1,709.95 - $1,999.95 -
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 -
V-Twin - Left Crankcase Main Bearing Set fits '77-'03 XL Sportster
V-Twin Manufacturing
$109.14Timken 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$109.14 -
James Gasket - Oil Pump Gasket/Seal Kit with DL-Style Gasket fits '91-'03 Sportster Models
JAMES GASKET
$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 - Paper Oil Filter fits '65-'82 FX/FL, '57-'78 Sportster Models (OEM #53839-59, 63840-53)
Drag Specialties
$8.11Drag Specialties - Paper Oil Filter fits '65-'82 FX/FL, '57-'78 Sportster Models (OEM #53839-59, 63840-53) Features: High-quality drop-in oil filter Fitment 1981-1982 Harley-Davidson Electra Glide Classic FLH - Notes: 1982Fits...$8.11 -
Colony - 9760-4 Allen Type Tappet Block Screw Kit fits '95-'03 Sportster Models
Colony Machine
$15.86Colony - 9760-4 Allen Type Tappet Block Screw Kit fits '95-'03 Sportster Models Tappet block allen type screw kit. Fitment: XL 1995-2003$15.86 -
Colony - 9772-22 Allen Type Lower Motor Mount Kit fits '86-Up Sportster Models
Colony Machine
$44.27Colony - 9772-22 Allen Type Lower Motor Mount Kit fits '86-Up Sportster Models Lower motor allen type mount kit. Fitment: XL 1986-UP$44.27 -
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 equipment Fitment 2016-2019 Harley-Davidson 1200...$88.95 -
Feuling - 12-Point External Primary Engine Bolt Fastener Kit fits '04-'20 Sportster Models
Feuling
$139.95Feuling - 12-Point External Primary Engine Bolt Fastener Kit fits '04-'20 Sportster Models The 12-Point External Primary Engine Bolt Fastener Kit allows you to secure your engine with complete confidence. This kit includes a primary cover, a clutch cover...$139.95
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.