Engine
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Out of stock
Drag Specialties - Cam Chain Tensioner Kit fits '07-'17 Twin Cam & '06 Dyna Models (Repl. OEM #S 39968-06/39969-06)
Drag Specialties
$90.73Drag Specialties - Cam Chain Tensioner Kit fits '07-'17 Twin Cam & '06 Dyna Models (Repl. OEM #S 39968-06/39969-06) Features Stock replacement hydraulic cam chain tensioners Sold as a primary/secondary 2-piece...$90.73 -
Out of stock
S&S Cycle - Wrinkle Black 124" Big Bore Kit W/O Highlighted Cylinder Fins fits '17-'21 107" M8 Engines
S&S Cycle
$1,561.95S&S Cycle - Wrinkle Black 124" Big Bore Kit W/O Highlighted Cylinder Fins fits '17-'21 107" M8 Engines This is a bolt-on kit that features the biggest bore possible with no machining of the crankcases necessary! It includes all of the required...$1,561.95 -
Out of stock
Drag Specialties - High-Performance Oil Pump fits '17-Up M8 Twin-Cooled Motors
Drag Specialties
$155.95Drag Specialties - High-Performance Oil Pump fits '17-Up M8 Twin-Cooled Motors The High-Performance Oil Pump features high-quality die-cast aluminum body construction, and high-strength steel gear construction. Features Helps to reduce oil...$155.95 -
Out of stock
V-Twin - 1200cc Cylinder and Piston Conversion Kit fits '04-Up XL - Black
V-Twin Manufacturing
$816.961200cc XL Conversion cylinder and piston set includes 2 black finished with milled edge fin cylinders with fitted Wiseco moly 9.5:1 reverse dome piston ring set. Order head base gasket separately. Fits: XL 2004- Up Measurements Piston...$816.96 -
Out of stock
V-Twin - 11-1685 - OE Rear Rocker Box Breather Valve
OE
$37.91V-Twin - 11-1685 - OE Rear Rocker Box Breather ValveDescriptionOE rear breather valve for the rocker box. Fits:XL 2007-UPAdditional Information OEM No.26020-07 UOM1 - EA ManufacturerOE OriginUSA 2025 Catalog Pages857$37.91 -
Out of stock
Jims - 24600-58B - Crankcase Bushing
Jims
$159.95Jims - 24600-58B - Crankcase Bushing Features 360 oiling Made in the U.S.A. Replacement Part for OEM Number(s): 2460058,2460058A,2460058B Specs Features Size is +.002'' Riding Style Street Product...$159.95 -
Out of stock
V-Twin - Black Top Rocker Box Cover and D-Ring Kit fits '86-'03 Sportster Model
V-Twin Manufacturing
$309.46V-Twin - Black Top Rocker Box Cover and D-Ring Kit fits '86-'03 Sportster Model Black top rocker box cover set includes d-ring kit. Fitment: XL 1986-2003$309.46 -
Out of stock
Drag Specialties - Oil Pump Assembly Fits '91-'22 XL Models (Exc. '21-'22 Sportster S/RH 1250S, '22 Nightster/​RH975 Models)
Drag Specialties
$300.85Drag 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 gears and shaft. Features Raw cast aluminum...$300.85 -
Out of stock
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 -
Out of stock
Drag Specialties - Chrome Rocker Box Kit - Fits '04-'06 XL Sportster Models
Drag Specialties
$277.95Drag Specialties Chrome Rocker Box Kit Fits '04-'06 XL Sportster Models Features: Quality construction with exact dimensions ensures a perfect, leakproof fit Available in chrome or with a satin black powdercoat finish Sold each, two required per...$277.95 -
Out of stock
HardDrive - 80" Evo Cylinder - fits Front and Rear
HardDrive
$273.95HardDrive 80" Evo Cylinder Features: Aluminum cylinders with cast iron sleeves All cylinders must be finish honed and matched to pistons Sold each$273.95 -
Out of stock
HardDrive - 74" Panhead Cylinder - (Front or Rear)
HardDrive
$185.95The HardDrive 74" Panhead Cylinder: Black powder-coated cast iron cylinders All cylinders must be finish honed and matched to pistons Sold each$185.95 -
Out of stock
V-Twin - 12-1499 - Reverse Circuit Breaker Gear Kit
Motorshop
$339.34V-Twin - 12-1499 - Reverse Circuit Breaker Gear KitDescriptionReverse rotation circuit breaker gear kit. Fits:FL 1941-1969EL 1936-1952Additional Information UOM1 - KIT ManufacturerMotorshop OriginImported 2025 Catalog Pages498$339.34 -
Out of stock
V-Twin - 11-1258 - 83 inch Evolution Big Bore Cylinder Kit
Motorshop
$787.28V-Twin - 11-1258 - 83 inch Evolution Big Bore Cylinder KitDescriptionEvolution 83" Big Bore bolt on silver cylinder kit includes 10:1 compression Wiseco forged dome piston kit, which have been honed for final fitment. No case boring required.Includes two...$787.28 -
Out of stock
Drag Specialties - DS246010 - Rocker Oil Line Set - Chrome - Shovelhead
Drag Specialties
$32.91Drag Specialties - DS246010 - Rocker Oil Line Set - Chrome - ShovelheadFeaturesChromed steel overhead oil line set includes crossover line and crankcase-to-rocker box lineComplete with fittings and seals, which are also available separatelySpecsBase...$32.91 -
Out of stock
Drag Specialties - 24010968 - Bolt Kit - Lifter Block - Chrome - Knurled - M8
Drag Specialties
$26.20Drag Specialties - 24010968 - Bolt Kit - Lifter Block - Chrome - Knurled - M8FeaturesMade in the U.S.A.Bolt kits for M8SpecsApplicationLifter BlockHead TypeSocketRiding StyleStreetBase FinishChromeUnitsKitBase ColorSilverStyleKnurledProduct NameBolt...$26.20 -
Out of stock
Thundermax - EA7000 - Oil Cooler Fan - M8 Touring/Trike
ThunderMax
$262.95Thundermax - EA7000 - Oil Cooler Fan - M8 Touring/TrikeFeaturesUses engine temp and vehicle speed to reduce heat and keep engines running coolTakes only 15 minutes to install; does not require oil cooler removalPlug-n-play installation on M8 models...$262.95 -
Out of stock
S&S Cycle - 50-8091 - Check Valve Ball
S&S Cycle
$9.95S&S Cycle - 50-8091 - Check Valve BallFeaturesOil Pump Check Ball for Harley Davidson modelsSpecsProduct NameBallUnitsEachTypeCheck ValveRiding StyleStreetFitment2011-2013 Harley-Davidson Blackline FXS2013-2016 Harley-Davidson Breakout FXSB2013-2014...$9.95 -
Out of stock
Kb Performance - KB295.010 - Piston Kit - 3.498" +0.010" - 9.0:1 CR - XL1200
Kb Performance
$216.29Kb Performance - KB295.010 - Piston Kit - 3.498" +0.010" - 9.0:1 CR - XL1200FeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and longer piston and ring lifeDiamond-machined pistons are held...$216.29 -
Out of stock
Cometic - C9765 - Rocker Gasket - EST - XL
Cometic
$65.05Cometic - C9765 - Rocker Gasket - EST - XLFeaturesPremium 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 the U.S...$65.05 -
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
Jims - Rocker Box Alignment Screws
Jims
$102.95Jims Rocker Box Alignment Screws These alignment screws will ensure that the rocker cover alignment is right on. Misalignment can compromise the sealing surface and looks bad. They can also cause rocker interference. Get JIMS Box alignment Screws to...$102.95 -
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
S&S Cycle - 09040168 - 132" Power Pack - 550 Chain Drive - Water Cooled - Black Granite w/Highlight Fins - M8
S&S Cycle
$3,359.95S&S CYCLE - 09040168 - 132" Power Pack - 550 Chain Drive - Water Cooled - Black Granite w/Highlight Fins - M8Features550 lift for the ideal combination of horse power and torquePowder coat finish matched to factoryMLS (Multi-Layered Steel) head...$3,359.95 -
Out of stock
S&S Cycle - 09040163 - 132" Power Pack - 550 Chain Drive - Oil Cooled - Black w/o Highlight Fins - M8
S&S Cycle
$3,359.95S&S CYCLE - 09040163 - 132" Power Pack - 550 Chain Drive - Oil Cooled - Black w/o Highlight Fins - M8Features550 lift for the ideal combination of horse power and torquePowder coat finish matched to factoryMLS (Multi-Layered Steel) head gasketsIncludes...$3,359.95 -
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
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.