Engine
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Out of stock
Cometic - C9588 - Rocker Box Gasket Kit - Twin Cam
Cometic
$46.15Cometic - C9588 - Rocker Box Gasket Kit - Twin CamFeaturesPremium materials used for specific applications to provide a long, service free lifeKits include all gaskets, seals, O-rings and quality bolt seals needed when servicing both rocker boxesMade in...$46.15 -
Out of stock
Drag Specialties - Oil Filter with Nut fits '86-'22 Sportster (Except RH Sportster), '09-'12 XR1200/X Models (OEM #63796-77A, 63805-80A, 63806-83)
Drag Specialties
$15.25 - $18.31Drag Specialties - Oil Filter with Nut fits '86-'22 Sportster (Except RH Sportster), '09-'12 XR1200/X Models (OEM #63796-77A, 63805-80A, 63806-83) Features: High-quality spin-on filters are a dependable replacement for most Harley-Davidson...$15.25 - $18.31 -
Out of stock
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 finish, this 100% bolt-on design is...$159.95 -
Out of stock
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 required) Made in the U.S.A...$28.95 -
Out of stock
Drag Specialties - Front Brake Master Cylinder Cover (OEM #41700237, 41700338)
Drag Specialties
$43.81 - $57.07Drag Specialties - Front Brake Master Cylinder Cover (OEM #41700237, 41700338) Features: Includes rubber cover gasket Fitment: 2022-2023 Harley-Davidson Softail Low Rider ST FXLRST - - 2020-2023 Harley-Davidson Softail Low...$43.81 - $57.07 -
Out of stock
Drag Specialties - Harley Touring Clutch Master Cylinder Cover (OEM #367001-30, OEM #367000-94) - Black
Drag Specialties
MSRP: $63.81$63.19Drag Specialties - Harley Touring Clutch Master Cylinder Cover (OEM #367001-30, OEM #367000-94) - Black Features: Constructed from 6061 aluminum Includes gasket and mounting screwsMSRP: $63.81$63.19 -
Out of stock
Drag Specialties - High-Performance Twin Cam Oil Pump Fits All '99-'06 Twin Cam Models (Exc. '06 Dyna Models)
Drag Specialties
$189.67Drag Specialties - High-Performance Twin Cam Oil Pump Fits All '99-'06 Twin Cam Models (Exc. '06 Dyna Models) This pump helps to decrease oil carryover during high rpm operation; the higher volume helps to lower engine and oil temperatures. There is a...$189.67 -
Out of stock
S&S Cycle - Wrinke Black 128" Big Bore Kit W/ Highlighted Cylinder Fins fits '17-'20 114" 117" M8 Engines
S&S Cycle
$1,595.95S&S Cycle - Wrinke Black 128" Big Bore Kit W/ Highlighted Cylinder Fins fits '17-'20 114" 117" M8 Engines This is a bolt-on kit that features the biggest cylinder bore possible with no machining of the crankcases necessary! It includes all of the...$1,595.95 -
Out of stock
Feuling - Dress Up Fastener Kit - fits '18 Softail
Feuling
$199.95Feuling Dress Up Fastener Kit for 2018 Harley Softail This Chassis Dress-up Kit includes rear fender bracket, battery box side cover, shifter linkage, shifter arm w/nut and washer, and rear brake master cylinder hardware. Features: Quality 12-point...$199.95 -
Out of stock
EMD - XR Trackster Rocker Box Covers -Black fits '04-'17 XL Models
EMD
$582.95The XR Trackster Rocker Box Covers Make that Evolution Sportster look like a XR750 flat track racer Manufactured in die cast aluminum with CNC milled gasket surface Mounts in place of stock rocker box cover using stock hardware and gaskets; not...$582.95 -
Out of stock
EMD - XR Trackster Rocker Box Covers -Black fits '86-'03 XL Models
EMD
$582.99The XR Trackster Rocker Box Covers Make that Evolution Sportster look like a XR750 flat track racer Manufactured in die cast aluminum with CNC milled gasket surface Mounts in place of stock rocker box cover using stock hardware and gaskets; not included...$582.99 -
Out of stock
EMD - Sherman Rocker Box Covers -Raw fits '99-'17 Twin Cam Models
EMD
$328.95The EMD Sherman Rocker Box Covers: Cool, rigid and old-fashioned industrial style with class offered as a bolt-on upgrade Real alternative to the "billet" trend; these add soul and charisma Manufactured in die-cast aluminum with CNC milled gasket...$328.95 -
Out of stock
Colony - Acorn Rocker Box Bolts and Washers -Chrome fits '57-'76 XL
Colony Machine
$63.99The rocker box bolts and washers are for both heads. Chrome finish Fits: XL 1957-1976$63.99 -
Out of stock
EMD - Ribster Cam Cover - Fits '77-'90 XL Models
EMD
$178.95 - $195.95EMD - Ribster Cam Cover - Fits '77-'90 XL Models Features Fits over OEM Cam Cover Held in place with 3 supplied Allen bolts and spacers Can be notched at upper front to make room for your OEM breather Available in Raw or Black Features cast...$178.95 - $195.95 -
Out of stock
EMD - Ribbed Cam Cover - fits '17-Up M8
EMD
$310.95 - $330.95EMD - Ribbed Cam Cover - fits '17-Up M8 These Ribbed EMD covers are the real alternative to the cold, rigid and old fashioned “Billet” style. Features: Manufactured in die cast aluminum, CNC milled gasket surface OEM...$310.95 - $330.95 -
Out of stock
S&S Cycle - 09311202 - 132" Cylinder Kit - 4.500" Stroke - Black Granite w/Highlighted Fins - M8
S&S Cycle
$1,649.95S&S CYCLE - 09311202 - 132" Cylinder Kit - 4.500" Stroke - Black Granite w/Highlighted Fins - M8FeaturesNot Compatible with VVT modelsWorks with stock crankcaseOriginal engine serial numbers are retainedMLS (Multi-Layered Steel) head gasketsRetains stock...$1,649.95 -
Out of stock
V-Twin - 49-1877 - Side Valve Feed Pump Upgrade
V-Twin
$160.39V-Twin - 49-1877 - Side Valve Feed Pump UpgradeDescriptionFeed pump upgrade for cast pump, flat type, as on 80" Side Valve and late G models.Includes rotor with 4 vanes for added oil pressure! Installation will require using muliple gaskets. Each rotor...$160.39 -
Out of stock
V-Twin - 49-1386 - 80 inch ULH Front and Rear Cylinder Kit
Motorshop
$1,686.86V-Twin - 49-1386 - 80 inch ULH Front and Rear Cylinder KitDescription80" complete cylinder set includes standard piston set and rings fitted to front and rear cylinder bore.Standard size fitted. Ready to install. Cylinders feature casting hallmarks...$1,686.86 -
Out of stock
V-Twin - 49-1385 - 74 inch UL Front and Rear Cylinder Kit
Motorshop
$1,632.41V-Twin - 49-1385 - 74 inch UL Front and Rear Cylinder KitDescription74" complete cylinder set includes standard piston set and rings fitted to front and rear cylinder.Order valves springs and covers separately. ...$1,632.41 -
Out of stock
V-Twin - 49-1350 - Knucklehead Bare Cylinder Head Set
Motortechnic
$2,140.40V-Twin - 49-1350 - Knucklehead Bare Cylinder Head SetDescriptionKnuckle bare cylinder head set is painted black with large port heads. Fits:EL 1940-1947Additional Information UOM1 - SET ManufacturerMotortechnic OriginImported 2025 Catalog Pages515$2,140.40 -
Out of stock
V-Twin - 49-0909 - Head Set Aluminum
V-Twin
$806.86V-Twin - 49-0909 - Head Set AluminumDescriptionFront and rear aluminum heads for 74" and 80" side valve models. Fits:U 1936-1948Additional Information OEM No.16670-36F UOM2 - SET ManufacturerV-Twin OriginImported 2025 Catalog Pages795$806.86 -
Out of stock
V-Twin - 49-0865 - 45 inch Top End Kit
V-Twin
$2,295.36V-Twin - 49-0865 - 45 inch Top End KitDescription45" top end kit includes a 45" valve cover kit, 45" lifter kit, valve spring kit, front and rear 45" cylinder, four Sifton interchangeable intake and exhaust valves, high compression head, gasket kit,...$2,295.36 -
Out of stock
V-Twin - 49-0850 - 45 Lifter Base and Tappet Kit
Motorshop
$540.28V-Twin - 49-0850 - 45 Lifter Base and Tappet KitDescription45 lifter base and tappet kit includes 4 lifter bases zinc plated and 4 standard tappets with adjuster screws. These blocks and guides are exact fit.Lifter base set is threaded to accept OEM scrw...$540.28 -
Out of stock
V-Twin - 49-0810 - Finned Panhead Valve Cover Set Polished
V-Twin
$534.80V-Twin - 49-0810 - Finned Panhead Valve Cover Set PolishedDescriptionFinned Panhead valve cover set features polished finned covers for front and rear on OE stock or custom frames.Finned Pan valve cover is clearaced rear head installation. Suggested to...$534.80 -
Out of stock
V-Twin - 49-0686 - 80 inch ULH Side Valve Cylinder Set
Motorshop
$1,374.92V-Twin - 49-0686 - 80 inch ULH Side Valve Cylinder SetDescriptionThese 80" black front and rear bare cast iron cylinders are sold in sets and are ready to be fitted with standard pistons.Order springs and valves separately. Cylinders are 13 fin style...$1,374.92 -
Out of stock
V-Twin - 49-0685 - 74 inch Side Valve Cylinder Set
Motorshop
$1,166.70V-Twin - 49-0685 - 74 inch Side Valve Cylinder SetDescriptionThese 74" cast iron cylinders are sold in sets and are ready to be fitted with standard pistons.Order valves and springs separately. Cylinders are 13 fin style that has the valve guides and...$1,166.70 -
Out of stock
V-Twin - 49-0193 - 45 inch OE Front Cylinder
V-Twin
$518.69V-Twin - 49-0193 - 45 inch OE Front CylinderDescriptionNew Old Stock" 1940's army surplus front cylinder from Dixie. Features an army cosmolene oil coating.Does not include piston or guide. Fits:WL 1929-1952G 1929-1973Additional Information OEM No.2-40M...$518.69 -
Out of stock
V-Twin - 49-0192 - Valve Cover Set Zinc
V-Twin
$265.29V-Twin - 49-0192 - Valve Cover Set ZincDescriptionZinc valve covers is a 12 piece set including valve cover seals. Fits:UL 1937-1938Additional Information UOM1 - SET ManufacturerV-Twin OriginImported 2025 Catalog Pages798 Replacement Items14-0173 -...$265.29 -
Out of stock
V-Twin - 49-0069 - 45 Complete Rod Set
Motorshop
$567.11V-Twin - 49-0069 - 45 Complete Rod SetDescription45 complete rod set for side valve models.Crank pin oiling hole is 54Â away from keyway and oil passage should be checked before assembly. Oil hole may require modification for some applications. Fits:WL...$567.11 -
Out of stock
V-Twin - 49-0058 - Replica 45 Rod Cage Kit Steel
V-Twin
$90.34V-Twin - 49-0058 - Replica 45 Rod Cage Kit SteelDescriptionReplica steel rod cage kit includes standard size roller set.Kit includes 4 cages with 24 short rollers, featuring 12 1/4 x .270 rollers and 1/4 x .550 long rollers. ...$90.34 -
Out of stock
V-Twin - 43-0792 - Transmission Side Cover and Top Cover Set Chrome
V-Twin
$186.71V-Twin - 43-0792 - Transmission Side Cover and Top Cover Set ChromeDescription5 Speed Big Twin Chrome transmission side cover and top cover set. Kit comes complete with top cover and side cover and chrome allen screws. Also comes with chrome allen oil...$186.71 -
Out of stock
V-Twin - 43-0536 - Chrome Engine Dress Up Kit
V-Twin
$1,237.27V-Twin - 43-0536 - Chrome Engine Dress Up KitDescriptionChrome engine dress up kit includes chrome parts and hardware for installation.Chrome engine dress up kit includes chrome parts and hardware for installation. Kits require removal of engine to...$1,237.27 -
Out of stock
V-Twin - 43-0520 - Chrome Engine Dress Up Kit
V-Twin
$767.46V-Twin - 43-0520 - Chrome Engine Dress Up KitDescriptionChrome engine dress up kit includes chrome parts and hardware for installation.Kit requires removal of engine to install the rocker box covers. this kit includes the chrome rocker box cover set, cam...$767.46 -
Out of stock
V-Twin - 43-0450 - Chrome Cam and Sprocket Cover Set
V-Twin
$457.78V-Twin - 43-0450 - Chrome Cam and Sprocket Cover SetDescriptionChrome right side cam and sprocket cover set includes cam cover, sprocket cover with gasket and chrome allen screws for installation.*Note: UPS may consider this part as packaged "oversize"...$457.78 -
Out of stock
V-Twin - 42-9974 - Eagle Spirit Ignition Module Cover Gold Inlay
V-Twin
$59.71V-Twin - 42-9974 - Eagle Spirit Ignition Module Cover Gold InlayDescriptionChrome ignition module cover with a gold inlay Eagle Spirit design. Fits:XL 1982-2003Additional Information UOM1 - EA ManufacturerV-Twin OriginImported$59.71 -
Out of stock
V-Twin - 42-8690 - Chrome Engine Dress Up Kit
V-Twin
$1,134.42V-Twin - 42-8690 - Chrome Engine Dress Up KitDescriptionChrome engine dress up kit includes die cast parts to replace original covers. Kit includes primary cover, rocker box cover tops, cam cover, and sprocket cover. Fits:XL 1986-1990Additional...$1,134.42 -
Out of stock
V-Twin - 42-6175 - Lower Valve Spring Cup Set Parkerized
V-Twin
$800.87V-Twin - 42-6175 - Lower Valve Spring Cup Set ParkerizedDescriptionLower valve spring cup set includes 4 piece set of parkerized lower valve spring cups and chrome covers with oil lines and nuts attached.Kit also includes rocker cover strip set with...$800.87 -
Out of stock
V-Twin - 42-1055 - Chrome Engine Dress Up Kit
V-Twin
$878.89V-Twin - 42-1055 - Chrome Engine Dress Up KitDescriptionChrome engine dress up kit include all die cast replacement parts. This kit includes a chrome outer primary cover kit, rocker box covers, shifter arm, cam cover, cam cover gasket kit, and a cam and...$878.89 -
Out of stock
V-Twin - 42-1052 - Chrome Engine Dress Up Set
V-Twin
$219.71V-Twin - 42-1052 - Chrome Engine Dress Up SetDescriptionChrome engine dress up kit features chrome covers to fit over original aluminum covers which are formed to mirror the contour for a skin tight fit. Includes cam cover trim, sprocket cover trim, and...$219.71 -
Out of stock
V-Twin - 42-1050 - Chrome Engine Dress Up Set
V-Twin
$257.43V-Twin - 42-1050 - Chrome Engine Dress Up SetDescriptionChrome engine dress up kit features chrome covers to fit over over original aluminum covers which are formed to mirror the contour for a skin tight fit. Includes cam cover trim, sprocket cover trim,...$257.43
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.