Engine
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Drag Specialties - 2-1/4" Chrome Magnetic Ring Oil Filter fits 'L82-'86 FX/FL, '80-'E85 Sportster Models (OEM #63782-80A, 63810-80)
Drag Specialties
$13.95Drag Specialties - 2-1/4" Chrome Magnetic Ring Oil Filter fits 'L82-'86 FX/FL, '80-'E85 Sportster Models (OEM #63782-80A, 63810-80) Features: High-quality chrome spin-on-style oil filters Magnetic filters are designed with a magnetic ring in center...$13.95 -
Drag Specialties - 3-1/4" Chrome Magnetic Ring Oil Filter fits '86-'22 Sportster (Except RH Sportster), '09-'12 XR1200/X Models (OEM #63806-83, 63796-77A, 63805-80A)
Drag Specialties
$13.95Drag Specialties - 3-1/4" Chrome Magnetic Ring Oil Filter fits '86-'22 Sportster (Except RH Sportster), '09-'12 XR1200/X Models (OEM #63806-83, 63796-77A, 63805-80A) Features: High-quality chrome spin-on-style oil filters Magnetic filters are...$13.95 -
Drag Specialties - 5-1/2" Chrome Magnetic Ring Oil Filter fits '91-'98 FXD Model (OEM #63813-90)
Drag Specialties
MSRP: $14.95$11.95Drag Specialties - 5-1/2" Chrome Magnetic Ring Oil Filter fits '91-'98 FXD Model (OEM #63813-90) Features: High-quality chrome spin-on-style oil filters Magnetic filters are designed with a magnetic ring in center to capture small particles of loose...MSRP: $14.95$11.95 -
Drag Specialties - 3-1/4" Chrome Magnetic Ring Oil Filter fits '17-'24 M-Eight, '99-'17 Twin Cam Models (OEM #63731-99A, 63798-99)
Drag Specialties
$13.95Drag Specialties - 3-1/4" Chrome Magnetic Ring Oil Filter fits '17-'24 M-Eight, '99-'17 Twin Cam Models (OEM #63731-99A, 63798-99) Features: High-quality chrome spin-on-style oil filters Magnetic filters are designed with a magnetic ring in center...$13.95 -
Drag Specialties - Paper Oil Filter fits '65-'82 FX/FL, '57-'78 Sportster Models (OEM #53839-59, 63840-53)
Drag Specialties
MSRP: $5.95$4.95Drag 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...MSRP: $5.95$4.95 -
Drag Specialties - Oil Filter fits '86-'22 Sportster (Except RH Sportster), '09-'12 XR1200/X Models (OEM #63806-83, 63796-77A, 63805-80A)
Drag Specialties
$8.95 - $10.95Drag Specialties - Oil Filter fits '86-'22 Sportster (Except RH Sportster), '09-'12 XR1200/X Models (OEM #63806-83, 63796-77A, 63805-80A) Features: High-quality spin-on filters are a dependable...$8.95 - $10.95 -
Drag Specialties - Oil Filter fits 'L82-'84 FLH, 'L82-'86 FX/FXWG, '80-'E84 Sportster Models (OEM #63782-80A, 63810-80)
Drag Specialties
$8.95 - $10.95Drag 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...$8.95 - $10.95 -
V-Twin - Panhead Style Evolution Rocker Box Set fits '84-'99 FXST/FLST, '84-'98 FLT/FXD Models - Chrome
V-Twin Manufacturing
$785.64V-Twin - Panhead Style Evolution Rocker Box Set fits '84-'99 FXST/FLST, '84-'98 FLT/FXD Models - Chrome Panhead Evolution rocker box set features a bolt on Panhead look for Evolution models and a chrome finish. Retro conversion kit includes chrome...$785.64 -
V-Twin - Panhead Style Evolution Rocker Box Set fits '84-'99 FXST/FLST, '84-'98 FLT/FXD Models - Black
V-Twin Manufacturing
$773.74V-Twin - Panhead Style Evolution Rocker Box Set fits '84-'99 FXST/FLST, '84-'98 FLT/FXD Models - Black Panhead Evolution rocker box set features a bolt on Panhead look for Evolution models and a black finish. Retro conversion kit includes black Panhead...$773.74 -
S&S Cycle - Stock Heads Intake Manifold O-Ring fits '84-'16 Big Twin, '86-'16 Sportster Models (OEM #26992-99, 26995-86A)
S&S Cycle
$10.95S&S Cycle - Stock Heads Intake Manifold O-Ring fits '84-'16 Big Twin, '86-'16 Sportster Models (OEM #26992-99, 26995-86A) Features: Sold Each Made from the highest-quality materials available Made in the USA Replacement Part for...$10.95 -
S&S Cycle - Hydraulic Tappets fits '91-'99 Sportster Models - Set of 4
S&S Cycle
$226.95S&S Cycle - Hydraulic Tappets fits '91-'99 Sportster Models - Set of 4 Features: Features precision-hardened ball-type check valve to provide superior sealing and lash control Valve seal is self-cleaning, making it less susceptible to noise...$226.95 -
S&S Cycle - Billet Oil Pump Kit fits '92-'99 Evolution Big Twin Models
S&S Cycle
$499.95S&S Cycle - Billet Oil Pump Kit fits '92-'99 Evolution 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 and spring, pressure relief valve and...$499.95 -
S&S Cycle - Billet Oil Pump fits '70-'91 Big Twin Models
S&S Cycle
$499.95S&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 and spring, pressure relief valve and spring, check...$499.95 -
S&S Cycle - Standard Cover Billet Oil Pump fits '36-'69 Big Twin Models
S&S Cycle
$499.95S&S Cycle - Standard Cover Billet Oil Pump fits '36-'69 Big Twin Models Features: Kit includes oil pump, universal cover with top and bottom feeds, mounting bolts, supply and return gears, drive shaft with keys and snap rings, check ball and...$499.95 -
S&S Cycle - Rocker Arm Shafts fits '99-'17 Twin Cam & '86-'22 Sportster Models (Except RH Sportster (OEM #17611-83))
S&S Cycle
$50.95S&S Cycle - Rocker Arm Shafts fits '99-'17 Twin Cam & '86-'22 Sportster Models (Except RH Sportster (OEM #17611-83)) Features: Made in the U.S.A. Fitment 2018-2020 Harley-Davidson Iron 1200...$50.95 -
S&S Cycle - Rocker Box Gasket Kit fits EVO Big Twin Models
S&S Cycle
$91.95S&S Cycle - Rocker Box Gasket Kit fits EVO Big Twin Models Features: Replacement gasket kit for rocker box part number 90-4095 Fitment 2000 Harley-Davidson FXR 4 - - 1999 Harley-Davidson Softail Night Train...$91.95 -
S&S Cycle - Rocker Box Gasket Kit fits Twin Cam Models
S&S Cycle
$71.95S&S Cycle - Rocker Box Gasket Kit fits Twin Cam Models Features: Includes all required gaskets and O-rings for both rocker boxes Fitment 2017 Harley-Davidson Road King Special FLHRXS - - 2016-2017 Harley-Davidson CVO Pro...$71.95 -
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 adjustable inserts and instructions Made in the U.S.A...$175.95 -
S&S Cycle - Compression Release Hole Plug
S&S Cycle
$24.95S&S Cycle - Compression Release Hole Plug Features: Not for use on OEM heads Made in the U.S.A. Fitment 2016-2017 Harley-Davidson Fat Boy S FLSTFBS - - 2016-2017 Harley-Davidson Softail Slim S...$24.95 -
S&S Cycle - Natural Generator Gear Cover fits '40-'E48 Panhead Style
S&S Cycle
$367.95S&S Cycle - Natural Generator Gear Cover fits '40-'E48 Panhead Style Features: Fit most generator motors; styled after the OEM types below Cast construction with a natural finish Include gasket and mounting hardware Made in the U.S.A. Eight...$367.95 -
S&S Cycle - Valve Spring Kit fits '48-'84 Big Twin Models
S&S Cycle
$248.95S&S Cycle - Valve Spring Kit fits '48-'84 Big Twin Models Features: To be used with cams with up to .550" lift Includes springs and aluminum top retainers 140-lb. seat pressure Must allow additional rocker clearance for 48-65 Panheads Made in...$248.95 -
S&S Cycle - Adjustable Pushrods fits '99-'17 Twin Cam Models
S&S Cycle
$174.95S&S Cycle - Adjustable Pushrods fits '99-'17 Twin Cam Models Features: .4375" diameter chromoly steel for maximum strength Rocker boxes must be removed for installation or removal Made in the U.S.A...$174.95 -
S&S Cycle - Tappet Alignment Tool fits 'L76-'17 Big Twin Models (Except M-Eight)
S&S Cycle
$41.95S&S Cycle - Tappet Alignment Tool fits 'L76-'17 Big Twin Models (Except M-Eight) Features: Big Twin Evolution tappet blocks do not have counter-bored bolt holes; therefore, when a tappet block is removed (or even just loosened) it should be...$41.95 -
S&S Cycle - Rocker Cover Wrench Set
S&S Cycle
$154.95S&S Cycle - Rocker Cover Wrench Set Features: Four wrenches of different lengths for those hard-to-get-to rocker box screws For use on all Big Twin and XL Evolution-style motors Made in the U.S.A...$154.95 -
S&S Cycle - Adjustable Pushrods fits '84-'99 Evolution Big Twin Models
S&S Cycle
$174.95S&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 removal Made in the U.S.A...$174.95 -
V-Twin - Nickel Plated Tappet Block Screw Kit fits '48-'84 FL Model
V-Twin Manufacturing
$19.86V-Twin - Nickel Plated Tappet Block Screw Kit fits '48-'84 FL Model Tappet base bolt set of eight with 1/4" x 20UNC thread, is nickel plated, and has a hex shaped head. Screw does not have taper and fits 1976-up style lifter blocks only. Choose the...$19.86 -
Gary Bang - V-Twin Primary Cover Gasket Kit fits '07-'16 FLT Model (OEM #34901-07)
Motorshop
$90.46Gary Bang - V-Twin Primary Cover Gasket Kit fits '07-'16 FLT Model (OEM #34901-07) Primary cover gasket kit. Fitment: FLT 2007-2016$90.46 -
Feuling - Billet Cam Chain Tensioner fits '17-'25 Harley M8 Models
Feuling
$69.95Feuling - Billet Cam Chain Tensioner fits '17-'25 Harley M8 Models Features: Tensioner housings are precision machined from billet 6061 aluminum, pads are injection-molded nylon with PTFE added to increase wear and friction resistance Replaces the...$69.95 -
Feuling - Hydraulic Camchain Tensioner Kit fits '17 & Up M8 Models
Feuling
MSRP: $199.95$119.95Feuling - Hydraulic Camchain Tensioner Kit fits '17 & Up M8 Models Features: Install or replace hydraulic camchain tensioners on stock M8 models Kit includes out chain, outer crank 17 tooth crank sprocket, replacement camchain pad and pin, and...MSRP: $199.95$119.95 -
Feuling - 487 Series Chain Drive Reaper® Camshaft fits M8 Models
Feuling
$299.95Feuling - 487 Series Chain Drive Reaper® Camshaft fits M8 Models Features: Good for 4.25" stroke with 114"-117" engine looking for an agressive bolt in Produces a wide powerband Responds very well to increased bore and/or compression, exhaust...$299.95 -
Colony - 8610-1 5/8"-18 Crankcase/Oil Tank Hex Timing Plug fits '86-'95 Sportster Model (OEM #2326-26)
Colony Machine
$9.95Colony - 8610-1 5/8"-18 Crankcase/Oil Tank Hex Timing Plug fits '86-'95 Sportster Model (OEM #2326-26) Features: Timing plugs in a variety of styles and fitments Include kit for stripped timing plug...$9.95 -
Colony - 9002-4 Cap-Style Head Bolt Cover fits '84-'E85 Evolution Big Twin Models
Colony Machine
$27.95Colony - 9002-4 Cap-Style Head Bolt Cover fits '84-'E85 Evolution Big Twin Models Features: Cover the unsightly factory 12-point headbolts; come complete with setscrews 7/16" size Fitment 1985 Harley-Davidson Fat Bob...$27.95 -
Hofmann Designs - Gear Position Sensor Cover fits '23.5 CVO & '24 Touring Models
Hofmann Designs
$140.95Hofmann 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...$140.95 -
Colony - 9884-20 Zinc Motor Case Bolt Kit fits '96-'98 Evolution Big Twin Models (OEM #3398, 3504A)
Colony Machine
$43.95Colony - 9884-20 Zinc Motor Case Bolt Kit fits '96-'98 Evolution Big Twin Models (OEM #3398, 3504A) Features: Includes all necessary hardware for bolting together the motor case Made in the U.S.A. Replacement Part for...$43.95 -
Colony - 9877-2 Cadmium Oil Screen Plug fits '70-'80 Big Twin Models (OEM #657)
Colony Machine
$6.95Colony - 9877-2 Cadmium Oil Screen Plug fits '70-'80 Big Twin Models (OEM #657) Features: Oil Screen plug for Big Twin models Made in the USA Fitment 1984 Harley-Davidson Electra Glide Special...$6.95 -
Colony - 9645-2 Cadmium OEM-Style Oil Pump Plug fits '84-'99 Evolution Big Twin Models (OEM #26263-80)
Colony Machine
MSRP: $7.95$6.95Colony - 9645-2 Cadmium OEM-Style Oil Pump Plug fits '84-'99 Evolution Big Twin Models (OEM #26263-80) Features: Made in the U.S.A. Fitment 1999 Harley-Davidson Softail Night Train FXSTB - - 1998 Harley-Davidson Road King...MSRP: $7.95$6.95 -
Colony - 8111-12 Cadmium Oil Pump Mounting Hardware fits '36-'67 Big Twin Models (OEM #7035, 27691)
Colony Machine
$5.95Colony - 8111-12 Cadmium Oil Pump Mounting Hardware fits '36-'67 Big Twin Models (OEM #7035, 27691) Features: 1/4"-24 hard-to-find hex nuts come in a six-pack OEM style kit is a complete kit that includes studs, nuts and hex...$5.95 -
Colony - 8740-19 Cadmium Oil Pump Mounting Hardware fits '36-'67 Big Twin Models (OEM #24819-36, 24820-36, 3834)
Colony Machine
$30.95Colony - 8740-19 Cadmium Oil Pump Mounting Hardware fits '36-'67 Big Twin Models (OEM #24819-36, 24820-36, 3834) Features: 1/4"-24 hard-to-find hex nuts come in a six-pack OEM style kit is a complete kit that includes studs, nuts and hex...$30.95 -
Colony - 8140-34 Chrome Stock Engine Case Bolt Kit fits '70-'78 FL, '71-'78 FX Models
Colony Machine
$66.95Colony - 8140-34 Chrome Stock Engine Case Bolt Kit fits '70-'78 FL, '71-'78 FX Models Engine case kit includes all the necessary hardware to bolt together engine cases. Fitment: FX 1971-1978 FL 1970-1978$66.95 -
Colony - 8137-34 Chrome Stock Engine Case Bolt Kit fits '65-'69 FL Model
Colony Machine
$68.85Colony - 8137-34 Chrome Stock Engine Case Bolt Kit fits '65-'69 FL Model Engine case kit includes all the necessary hardware to bolt together engine cases. Fitment: FL 1965-1969$68.85
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.