Engine
8284 parts
Harley engine parts for Evo, Twin Cam, Milwaukee-Eight and Sportster motors. Jump to cams, big bore kits, heads, gaskets and seals or engine covers. Free US shipping over $100.
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Out of stock
Jims - 5813 Main Bearing Remover and Installer Tool fits '17-'20 M-Eight Models
Jims
$269.35Jims - 5813 Main Bearing Remover and Installer Tool fits '17-'20 M-Eight Models Features: Not only removes the left and right main bearing without damaging the case, it also provides correct...$269.35 -
Out of stock
Jims - 5829 Cylinder Torque Plates fits '17-'20 M-Eight 107”, 114” Models
Jims
MSRP: $798.95$766.25Jims - 5829 Cylinder Torque Plates fits '17-'20 M-Eight 107”, 114” Models Features: Torque plates must be used when boring or honing late-model aluminum cylinders Simulate running stress conditiMSRP: $798.95$766.25 -
Out of stock
Jims - 5830 Left Main Seal Remover Tool fits '17-'21 M-Eight Models
Jims
MSRP: $317.95$304.80Jims - 5830 Left Main Seal Remover Tool fits '17-'21 M-Eight Models Features: For use on Milwaukee Eight series enginesMSRP: $317.95$304.80 -
Out of stock
Jims - 775 Removal/Installation Main Seal Tool fits '99-'17 Twin Cam Models
Jims
$228.15Jims - 775 Removal/Installation Main Seal Tool fits '99-'17 Twin Cam Models Features: Install and remove crank case main seal while the engine is still in the chassis Includes necessary ada$228.15 -
Out of stock
Jims - 5832 Ball Bearing Remover Tool fits '17-'20 Softail & Touring Models
Jims
$205.40Jims - 5832 Ball Bearing Remover Tool fits '17-'20 Softail & Touring Models Features: Easily remove the balancer bearings in both Touring and Softail models without damage to the crankc$205.40 -
Out of stock
Jims - 5833 Ball Bearing Installation Tool fits '17-'20 Softail & Touring Models
Jims
$276.20Jims - 5833 Ball Bearing Installation Tool fits '17-'20 Softail & Touring Models Features: All Milwaukee-Eight® (M8) engines incorporate balancers to reduce vibration$276.20 -
Out of stock
Jims - 5838 Oil Pump Alignment Tool fits '17-'21 M-Eight Engines Models
Jims
MSRP: $80.95$80.50Jims - 5838 Oil Pump Alignment Tool fits '17-'21 M-Eight Engines Models Features: This tool was designed to help the technician assemble the complete cam chest correctly, in a quick and efficient...MSRP: $80.95$80.50 -
Out of stock
Jims - 991 Case Splitting Tool fits '18-'21 M8 Softail & Touring Models
Jims
$409.40Jims - 991 Case Splitting Tool fits '18-'21 M8 Softail & Touring Models Features: In order to perform any type of lower end service or performance work, it is necessary to split the crankcase...$409.40 -
Out of stock
Jims - 5506 Magnetic Tappet Holder fits all Twin Cam & M-Eight Models
Jims
MSRP: $70.95$70.50Jims - 5506 Magnetic Tappet Holder fits all Twin Cam & M-Eight Models Features: Never turn the engine over if the tappet will not spin with your fingers after adjustments were madeMSRP: $70.95$70.50 -
Out of stock
Jims - 5813-5 Stator Adapter Main Bearing Tool fits '17-'22 M-Eight Models
Jims
$73.10Jims - 5813-5 Stator Adapter Main Bearing Tool fits '17-'22 M-Eight Models Features: When this adapter is used in conjunction with the main bearing tool, or OE tool, the stator can remain...$73.10 -
Out of stock
Jims - 1073 Cylinder Torque Plates fits '66-'99 Big Twin Models
Jims
$765.95Jims - 1073 Cylinder Torque Plates fits '66-'99 Big Twin Models Features: Torque plates must be used when boring or honing late-model aluminum cylinders Simulate running stress conditions$765.95Out of stock
Jims - 2240 Head Holder Guide Tool '48-'04 Big Twin, '57-'03 Sportster & Some SE CVO Twin Cam Models (5/16” Valve Guides)
Jims
$943.95Jims - 2240 Head Holder Guide Tool '48-'04 Big Twin, '57-'03 Sportster & Some SE CVO Twin Cam Models (5/16” Valve Guides) Features: Adapters are supported by a stand that makes it$943.95Out of stock
Jims - 1110 0.105" Camshaft Pinon Gauge Pins fits '54-'89 Big Twin Models
Jims
$44.95Jims - 1110 0.105" Camshaft Pinon Gauge Pins fits '54-'89 Big Twin Models Features: Use to check pinion gear for pitch diameters$44.95Out of stock
Jims - 1034 Sprocket Shaft Holder fits '55-'99 Big Twin & '99-'06 Twin Cam (Except '06 Dyna)
Jims
$184.95Jims - 1034 Sprocket Shaft Holder fits '55-'99 Big Twin & '99-'06 Twin Cam (Except '06 Dyna) Features: Used to hold flywheel assembly in vise, with or without left case attached <$184.95Out of stock
Jims - 95760-XL Inner Cam Bearing Removal Tool fits '57-'90 Sportster Models
Jims
$271.95Jims - 95760-XL Inner Cam Bearing Removal Tool fits '57-'90 Sportster Models Features: Used to remove inner cam bearing without damaging the crankcase Tool is also designed to keep rollers$271.95Out of stock
Jims - 1052 Oil Pump Snap Ring Installer fits Big Twin Oil Pumps (Except Twin Cam/M-Eight)
Jims
$102.15Jims - 1052 Oil Pump Snap Ring Installer fits Big Twin Oil Pumps (Except Twin Cam/M-Eight) Features: Just apply oil to ring expander, slip ring up to the big end of ring expander, hold up to the...$102.15Out of stock
Jims - 1053 Oil Pump Seal Installer fits Big Twin Aluminum Oil Pumps (Except Twin Cam/M-Eight)
Jims
$138.00Jims - 1053 Oil Pump Seal Installer fits Big Twin Aluminum Oil Pumps (Except Twin Cam/M-Eight) Features: For use on all Big Twin aluminum oil pumps (except Twin Cam/M8) Easily installs oil$138.00Out of stock
Jims - 1288 Crankshaft Guide fits '99-'17 Twin Cam & '03-'09 Buell XB9R/X B9S Models
Jims
$53.20Jims - 1288 Crankshaft Guide fits '99-'17 Twin Cam & '03-'09 Buell XB9R/X B9S Models Features: Spreads the crankcase pinion bearing rollers when reassembling right side case to the flywheel...$53.20Out of stock
Jims - 96780-32A Piston Pin Keeper Tool fits '36-'72 Big Twin Models
Jims
MSRP: $78.95$78.40Jims - 96780-32A Piston Pin Keeper Tool fits '36-'72 Big Twin Models Features: This tool will install “Round Circlip” rings in one easy step without distorting ring, for the safest wrist pinMSRP: $78.95$78.40Out of stock
Jims - 37047-91-6 2.5" Sprocket Shaft Bearing Optional Sleeves fits '77-'03 Sportster Models
Jims
$58.95Jims - 37047-91-6 2.5" Sprocket Shaft Bearing Optional Sleeves fits '77-'03 Sportster Models Features: For use on specific Harley-Davidson® Sportster and Buell® model years Optional sleeves for...$58.95Out of stock
Jims - 34740-84 Valve Guide Remover for all Evolution & '99-'04 Twin Cam Guides
Jims
$52.10Jims - 34740-84 Valve Guide Remover for all Evolution & '99-'04 Twin Cam Guides Features: Available from JIMS to allow the proper removal or installation of shoulderless valve guides as well as...$52.10Out of stock
Jims - 34643-84 Valve Seal Installer for all Evolution Valve Guide Seals (OEM #34643-84)
Jims
$82.95Jims - 34643-84 Valve Seal Installer for all Evolution Valve Guide Seals (OEM #34643-84) Features: Available from JIMS to allow the proper removal or installation of shoulderless valve guides as...$82.95Out of stock
Jims - 94805-57 Pinion Bushing Line Reamer fits '54-'99 Big Twin Models (Except Twin Cam)
Jims
$651.95Jims - 94805-57 Pinion Bushing Line Reamer fits '54-'99 Big Twin Models (Except Twin Cam) Features: Use on all Big Twin '54-'99 single cam only, (NOTE: Includes aftermarket motors, also XL '57 to...$651.95Out of stock
Jims - 1041-TC Camshaft Cover Holder Tool fits '70-'99 Big Twin Models (Except Twin Cam)
Jims
$149.95Jims - 1041-TC Camshaft Cover Holder Tool fits '70-'99 Big Twin Models (Except Twin Cam) Features: Holds cam cover flat and helps prevent damage/scratches when removing and installing bushings$149.95Out of stock
Jims - 95724-57 Tappet Guide Puller Tool fits '57-'85 Sportster Models
Jims
$67.95Jims - 95724-57 Tappet Guide Puller Tool fits '57-'85 Sportster Models Features: Used to remove press-fit tappet guides from crankcase Made in the U.S.A.$67.95Out of stock
Jims - 95970-32C Piston Pin Bush Tool fits '36-'99 Big Twin, '57-'20 Sportster & Buell Models (Except 1125R)
Jims
$197.95Jims - 95970-32C Piston Pin Bush Tool fits '36-'99 Big Twin, '57-'20 Sportster & Buell Models (Except 1125R) Features: Use to remove and install wrist pin bushings without removing rods from...$197.95Out of stock
Jims - 1007 Blue Motor Stand fits '57-'03 Sportster, '94-'02 Buell Models (Except Blast)
Jims
MSRP: $240.95$230.95Jims - 1007 Blue Motor Stand fits '57-'03 Sportster, '94-'02 Buell Models (Except Blast) Features: Makes working on motors easier with better access Made iMSRP: $240.95$230.95Out of stock
Jims - 1030-TS Crank Pin Flywheel Socket fits 'L83-'99 Big Twin Models (OEM #23969-83)
Jims
$117.95Jims - 1030-TS Crank Pin Flywheel Socket fits 'L83-'99 Big Twin Models (OEM #23969-83) Features: Machined for 100% nut-to-socket and drive-end contact Eliminate nut rounding and risk of inj$117.95Out of stock
Drag Specialties - 5-1/2" Chrome Magnetic Ring Oil Filter With Nut fits '91-'98 FXD Model (OEM #63813-90)
Drag Specialties
MSRP: $22.39$17.84Drag Specialties - 5-1/2" Chrome Magnetic Ring Oil Filter With Nut fits '91-'98 FXD Model (OEM #63813-90) Features: High-quality chrome spin-on-style oil filters Magnetic filters are designMSRP: $22.39$17.84Out of stock
S&S Cycle - Rocker Arm Shafts fits '99-'17 Twin Cam & '86-'22 Sportster Models (Except RH Sportster (OEM #17611-83))
S&S Cycle
$59.95S&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$59.95Out of stock
S&S Cycle - Natural Generator Gear Cover fits '54-'62 Panhead
S&S Cycle
MSRP: $377.95$365.95S&S Cycle - Natural Generator Gear Cover fits '54-'62 Panhead Features: Fit most generator motors; styled after the OEM types below Cast construction with a natural finishMSRP: $377.95$365.95Out of stock
S&S Cycle - Adjustable Pushrods fits '91-'22 Sportster Models (Except RH Sportster)
S&S Cycle
$152.95S&S Cycle - Adjustable Pushrods fits '91-'22 Sportster Models (Except RH Sportster) Features: .4375" diameter chromoly steel for maximum strength Rocker boxes must be removed for installation or...$152.95Out of stock
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$27.95Out of stock
Hofmann Designs - Timer Cover w/Sensor Cover fits L'23-'24 CVO Harley Model
Hofmann Designs
$245.95Hofmann Designs - Timer Cover w/Sensor Cover fits L'23-'24 CVO Harley Model Features: Upgrade the look of your New 2023.5 – 2024 Bagger Includes our new Hidden hardware Proximity Cover (ditch...$245.95Out of stock
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$30.95Out of stock
Colony - 9751-11 Allen Type Cam Cover Screw Kit fits '86-Up Sportster Models
Colony Machine
$25.86Colony - 9751-11 Allen Type Cam Cover Screw Kit fits '86-Up Sportster Models Allen type cam cover screw kit. Fitment: XL 1986-UP$25.86Out of stock
Colony - 9766-4 Acorn Type Tappet Block Screw Kit fits '95-'03 Sportster Models
Colony Machine
$10.85Colony - 9766-4 Acorn Type Tappet Block Screw Kit fits '95-'03 Sportster Models Acorn type tappet block screw kit. Fitment: XL 1995-2003$10.85Out of stock
V-Twin - Chrome Finned Ignition System Cover fits '71-'03 Sportster Model
V-Twin Mfg
$19.76V-Twin - Chrome Finned Ignition System Cover fits '71-'03 Sportster Model Finned ignition system cover with chrome finish. Fitment: XL 1971-2003$19.76Out of stock
Paughco - Chrome Panhead Cover Set fits '48-'65 FL Model (OEM #17500-48)
Paughco
$264.95Paughco - Chrome Panhead Cover Set fits '48-'65 FL Model (OEM #17500-48) Panhead cover set features a chrome steel construction. Order d-rings separately. Fitment: FL 1948-1965$264.95Out of stock
V-Twin - Knucklehead Nickel Plated Rocker Box Fitting fits '36-'37 EL Model
V-Twin Mfg
$49.01V-Twin - Knucklehead Nickel Plated Rocker Box Fitting fits '36-'37 EL Model Knucklehead rocker box fitting features a nickel plated finish. Fitment: EL 1936-1937$49.01
About Engine
Harley Engine Parts for Rebuilds and Performance
From a fresh gasket set to a full big bore build, we stock the Harley engine parts you need to rebuild, maintain or wake up your motor. Match parts to your engine: Evo, Twin Cam, Milwaukee-Eight and Sportster parts don't swap across.
Shop Engine Parts
- Camshafts
- Big bore kits
- Cylinders
- Heads
- Pushrods
- Lifters
- Rockers
- Gaskets & seals
- Oil pumps
- Oil filters
- Motor mounts
- Engine covers
We carry engine parts from S&S Cycle, Drag Specialties, V-Twin Mfg, Alloy Art, HardDrive and Rocker Lockers. Pair your build with an air cleaner and exhaust that let it breathe.
Not Sure It Fits?
Year, model and engine all matter, and plenty of parts look the same but aren't. If you can't tell whether something fits your bike, hit us up with your year and model and we'll check it before you order.