Engine
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James Gaskets - Gasket O-Ring Kit, Cam Quick Change - fits '99-Up Twin Cams
James Gaskets
$56.95James Gaskets Twin Cam Gasket Kits uses state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '99-Up Twin Cam Models$56.95 -
James Gaskets - Twin Cam Top End Gasket Kit w/ MLS Head Gaskets - fits '99-'04
James Gaskets
$144.95James Gaskets Twin Cam Gasket Kits uses state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '99-'04 Twin Cam Models$144.95 -
Colony - Cylinder Base Nut Set - Chrome fits '57-'84 XLR
Colony Machine
$39.99Colony C chrome cylinder base nuts. Fits: XLR 1957-1984$39.99 -
V-Twin - 883-1200cc Cylinder and Piston Conversion Kit fits '86-'03 XL - Silver
V-Twin Manufacturing
$775.71V-Twin's 1200cc XL conversion cylinder and piston set includes 2 silver 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...$775.71 -
Colony - 8401-8 Rocker Shaft Cadmium End Cap Type Nuts with Washers fits '79-'83 FLT, '71-'84 FX, '82-'83 FXR Models
Colony Machine
$21.52Colony - 8401-8 Rocker Shaft Cadmium End Cap Type Nuts with Washers fits '79-'83 FLT, '71-'84 FX, '82-'83 FXR Models Rocker arm shaft end nut kit contains 4 cap nuts and washers with cadmium. Fitment: FLT 1979-1983 FX 1971-1984 FXR 1982-1983 FL...$21.52 -
V-Twin - 11-1684 - OE Front Rocker Box Breather Valve
OE
$37.91V-Twin - 11-1684 - OE Front Rocker Box Breather ValveDescriptionOE front breather valve for the rocker box. Fits:XL 2007-UPAdditional Information OEM No.26012-07 UOM1 - EA ManufacturerOE OriginUSA 2025 Catalog Pages857$37.91 -
V-Twin - 11-0871 - Piston Wrist Pin and Lock Kit
Motorshop
$26.57V-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 1986-1998Additional Information OEM No.22764-83 UOM1 - KIT ...$26.57 -
V-Twin - 10-1767 - Cam Chain Tensioner Set
V-Twin Manufacturing
$97.48V-Twin - 10-1767 - Cam Chain Tensioner SetDescriptionCam chain tensioner set. Fits:FLST 1999-2006FXST 1999-2006FLT 1999-2006FXD 1999-2006Additional Information OEM No.39964-94 UOM1 - SET ManufacturerV-Twin OriginImported 2025 Catalog Pages158$97.48 -
Drag Specialties - DS243515 - Front ISO-Mount™ Motor Mount - Rubber
Drag Specialties
$27.76Drag Specialties - DS243515 - Front ISO-Mount™ Motor Mount - RubberFeaturesUrethane motor mount specially designed to out-last and out-dampen the OEM partSold individuallyReplacement Part for OEM Number(s):1620779BSpecsUnitsEachRiding...$27.76 -
Alloy Art - CRA-1 - Compression Release Adapter - 14 mm x 3/4"
Alloy Art
$20.95Alloy Art - CRA-1 - Compression Release Adapter - 14 mm x 3/4"FeaturesDesigned to be used in twin plug headsAccept .650”/10mm x 1.0 compression release valvesSold eachMade in the U.S.A.SpecsProduct NameAdapterConnector AngleStraightSize14 mm -...$20.95 -
Kibblewhite - 71036-4 - Valve Seal
Kibblewhite
$8.16Kibblewhite - 71036-4 - Valve SealFeaturesMade in the U.S.A.Replacement Part for OEM Number(s): 1800081SpecsLength Imperial0.400''Product NameSealUnits4 PackRiding StyleStreetTypeValve GuideStem Diameter Imperial0...$8.16 -
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.SpecsColor/FinishChromeTypeBoltTypeRocker BoxBase ColorSilverProduct...$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, crack or become brittleViton® gasket features a stainless...$10.95 -
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 cam changeMade in the USAReplacement Part for OEM...$39.85 -
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 Number(s):...$179.95 -
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
$10.25 - $12.31Drag 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...$10.25 - $12.31 -
Wyatt Gatling - Shovelhead Chrome Rocker Box Line Kit fits '79-'83 FLT, '66-'84 FL, '82-'83 FXR Models
Wyatt Gatling
$69.54Wyatt 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 fittings. Tubes feature a chrome finish over the brass...$69.54 -
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 Fits stock stroke lengths Made in the U.S.A...$74.95 -
V-Twin - Black Cam Cover fits '01-'17 Twin Cam Models OEM #25369-01A
V-Twin Manufacturing
$188.57V-Twin - Black Cam Cover fits '01-'17 Twin Cam Models OEM #25369-01A Please note this cam cover comes without a sensor hole. Fitment FXST 2001-2017FLST 2001-2017FXD 2001-2017FLT 2001-2016$188.57 -
Joker Machine - Points Cover fits '99-'17 Twin Cam Models - Anodized Black
Joker Machine
$65.95Joker 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.A. Fitment 2016-2017 Harley-Davidson Fat...$65.95 -
Feuling - Inner Cam Bearing fits '17-'22 M8 Model (Repl. OEM # 9215)
Feuling
$19.95Feuling - Inner Cam Bearing fits '17-'22 M8 Model (Repl. OEM # 9215) Feuling's bearings are heay-duty full-component style, built to accept the higher loads and demands of performance engines. Features Manufactured by Koyo Torrington Made in the U...$19.95 -
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 opposed to machining away the entire end of the...$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 studs and locking nuts. The tensile strength of this...$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 Provides a race-inspired look Chrome hardware and gasket...$362.95 -
Cometic - Primary Gasket Kit fits '06-'17 Dyna & '07-'17 Softail Models
Cometic
$121.75Cometic - Primary Gasket Kit fits '06-'17 Dyna & '07-'17 Softail 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...$121.75 -
Cometic - Primary Gasket Kit fits '07-'16 Touring & H-D FL Trike Models
Cometic
$121.75Cometic - Primary Gasket Kit fits '07-'16 Touring & H-D FL Trike 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...$121.75 -
S&S Cycle - Lower Rocker Box Gasket Kit fits '99-'17 Twin Cam OEM Rocker Boxes Used on S&S Heads
S&S Cycle
$40.95S&S Cycle - Lower Rocker Box Gasket Kit fits '99-'17 Twin Cam OEM Rocker Boxes Used on S&S Heads S&S's Lower Rocker Box Gasket Kit must be used when installing OEM stock rocker boxes on S&S heads. This kit comes with the lower rocker box...$40.95 -
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 and piston in an engine that already has an...MSRP: $1,999.95$1,995.95 -
Dynojet - Radiator Guard fits '21-Up Pan America Model
Dynojet
$177.77Dynojet - Radiator Guard fits '21-Up Pan America Model Features: Comes with mounting brackets and hardware Made in the U.S.A. Easy installation Fitment 2021-2023 Harley-Davidson Pan America 1250...$177.77 -
S&S Cycle - Master Rebuild Kit For S&S Oil Pump - fits '78-'91 Harley Big Twin
S&S Cycle
$31.95S&S Cycle - Master Rebuild Kit For S&S Oil Pump - fits '78-'91 Harley Big Twin Features: Master rebuild kit for S&S oil pump. Made in the U.S.A. Fitment 1991 Harley-Davidson Dyna Sturgis...$31.95 -
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.A. Fitment 2000 Harley-Davidson FXR 4 - - 1999 Harley-Davidson Softail...$39.95 -
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 Softail Standard FXST 2021 Harley-Davidson CVO Street Glide FLHXSE 2021 Harley-Davidson Road King...$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 240° duration intake and 234° degree...MSRP: $1,999.95$1,822.95 -
Feuling - 12-Point Primary/Transmission Engine Fastener Kit fits '00-'06 Touring Models
Feuling
$279.95Feuling - 12-Point Primary/Transmission Engine Fastener Kit fits '00-'06 Touring Models The 12-Point Primary/Transmission Engine Fastener Kit allows you to secure your engine with complete confidence. The kit comes with all of the following hardware:...$279.95 -
Feuling - 12-Point External Engine Bolt Fastener Kit fits '99-'17 Twin Cam A/B Motors
Feuling
$339.95Feuling - 12-Point External Engine Bolt Fastener Kit fits '99-'17 Twin Cam A/B Motors The 12-Point External Engine Bolt Fastener Kit allows you to secure your engine with complete confidence. The kit comes with all of the following hardware: cam...$339.95 -
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 -
Feuling M Eight Engine Stand
Feuling
$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
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.