Engine
8832 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 - 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...$53.20 -
Out 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$78.40 -
Out 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...$58.95 -
Out 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...$52.10 -
Out 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...$82.95 -
Out 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...$651.95 -
Out 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$149.95 -
Out 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.$67.95 -
Out 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...$197.95 -
Out 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$230.95 -
Out of stock
Jims - 1047-TP Crank Assembly Removal Tool fits '55-'06 Big Twin Models (Except '06 Dyna)
Jims
$339.65Jims - 1047-TP Crank Assembly Removal Tool fits '55-'06 Big Twin Models (Except '06 Dyna) Features: This tool can only be used for removing the flywheel from the left case Will also press c$339.65 -
Out 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$117.95 -
Out of stock
Custom Cycle Engineering - 41 mm Wide Glide Tweek Bar - Chrome
Custom Cycle Engineering
$260.95Custom Cycle Engineering - 41 mm Wide Glide Tweek Bar - Chrome Features: Original Randy Smith design As in the good old days with extended front tubes, the need for a tweek bar is here again$260.95 -
Out of stock
Custom Cycle Engineering - Top Stabilizer Link fits '99-'03 Dyna Models
Custom Cycle Engineering
$354.95Custom Cycle Engineering - Top Stabilizer Link fits '99-'03 Dyna Models Features: Reduces engine vibration and aligns power train Adjustable rubber-isolated design$354.95 -
Out 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$17.84 -
Out of stock
Drag Specialties - Oil Filter Wrench fits '01-'21 Big Twin Models
Drag Specialties
$14.93Drag Specialties - Oil Filter Wrench fits '01-'21 Big Twin Models Features: 14-flute cutout design to clear crank sensor Fits Drag Specialties and most other oil filters with 14 flutes$14.93 -
Out 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$59.95 -
Out 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$365.95 -
Out 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...$152.95 -
Out 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$27.95 -
Out 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...$245.95 -
Out 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$30.95 -
Out 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$25.86 -
Out 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$10.85 -
Out 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$19.76 -
Out 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$264.95 -
Out 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 -
Out of stock
V-Twin - TC-88 Finned Rocker Box Set fits '99-'16 FLT/ FL, '99-'17 FLST/FXST Models
V-Twin Mfg
$282.05V-Twin - TC-88 Finned Rocker Box Set fits '99-'16 FLT/ FL, '99-'17 FLST/FXST Models TC-88 finned rocker box set features a chrome finish. Fitment: FLT 1999-2016 FL 1999-2016 FLST 1999-2017 FXST...$282.05 -
Out of stock
V-Twin - Cadmium Headbolt Washer fits '37-'47 UL, '29-'52 WL, '29-'73 G Models
V-Twin Mfg
$46.00V-Twin - Cadmium Headbolt Washer fits '37-'47 UL, '29-'52 WL, '29-'73 G Models Headbolt washer constructed of aluminum features a cadium plated finish. Fitment: UL 1937-1947 WL 1929-1952 G 1929-1973$46.00 -
Out of stock
V-Twin - Oil Pump Pressure Valve Stainless Steel fits '82-'91 FXR, '86-'91 FLST, '84-'91 FXST Models
V-Twin Mfg
$92.40V-Twin - Oil Pump Pressure Valve Stainless Steel fits '82-'91 FXR, '86-'91 FLST, '84-'91 FXST Models Machined stainless steel oil pump pressure valve for Big Twins. Fits oil pressure relief valve...$92.40 -
Out of stock
V-Twin - Transmission Motor Support fits '82-'94 FXR Model
V-Twin Mfg
$222.65V-Twin - Transmission Motor Support fits '82-'94 FXR Model Zinc plated transmission motor support features laser cut 1/4" steel with all holes in place. Includes the tab for front exhaust mounts...$222.65 -
Out of stock
Colony - 9701-1 Rocker Feed Line Nipple Parkerized fits '36-'40 EL, '41-'41 FL Models (OEM #33615-36)
V-Twin Mfg
$15.70Colony - 9701-1 Rocker Feed Line Nipple Parkerized fits '36-'40 EL, '41-'41 FL Models (OEM #33615-36) Parkerized rocker feed line nipple. Fitment: EL 1936-1940$15.70 -
Out of stock
Thrashin Supply Co. - Gen 2 Finned M8 Cam Cover fits '24+ Touring Model
Thrashin Supply
$124.95 - $134.95Thrashin Supply Co. - Gen 2 Finned M8 Cam Cover fits '24+ Touring Model Features: Slim design and cut away corner for improved floorboard clearance Hardware included$124.95 - $134.95 -
Out of stock
Colony - Head Bolt Set fits '86-'91 Sportster Models (OEM #16478-85A, 16480-85A)
Colony Machine
$99.95Colony - Head Bolt Set fits '86-'91 Sportster Models (OEM #16478-85A, 16480-85A) Features: 12-point replacement headbolts Made in the U.S.A.$99.95 -
Out of stock
Colony - Intake Manifold Nut fits '40-'54 Big Twin Models (OEM #27052-40) - Cadmium
Colony Machine
$52.95Colony - Intake Manifold Nut fits '40-'54 Big Twin Models (OEM #27052-40) - Cadmium Features: Precision machined duplicates of original intake manifold seals, nuts and nipples Made in the U.S.A...$52.95 -
Out of stock
Colony - Rocker End Cap fits '71-'85 Sportster Models
Colony Machine
$36.95Colony - Rocker End Cap fits '71-'85 Sportster Models Features: Individual chrome cap nut and bolt sets for specific applications Made in the U.S.A.$36.95 -
Out of stock
Colony - Cylinder Base Stud Set fits '78-'84 Big Twin Models (OEM #16837-78)
Colony Machine
$39.95Colony - Cylinder Base Stud Set fits '78-'84 Big Twin Models (OEM #16837-78) Features: Heat-treated for strength and durability Equal or surpass original equipment$39.95 -
Out of stock
Colony - 8711-8 12-Point Lift Block Screws fits '48-'E77 Big Twin Models (OEM #3750)
Colony Machine
$18.95Colony - 8711-8 12-Point Lift Block Screws fits '48-'E77 Big Twin Models (OEM #3750) Features: Made in the USA Sold in sets of 8$18.95 -
Out of stock
Colony - 8707-6 Oil Pump Plug Kit fits '81-'84 Big Twin Models
Colony Machine
$25.95Colony - 8707-6 Oil Pump Plug Kit fits '81-'84 Big Twin Models Features: Plug and plug kits designed for a variety of Harley-Davidson® oil systems Complete with washers (or O-rings if...$25.95 -
Out of stock
Colony - 11/16"-16 Acorn/Oversized Timing Plug Crankcase/Oil Tank with Special Tap fits '86-'95 Sportster Models
Colony Machine
$51.95Colony - 11/16"-16 Acorn/Oversized Timing Plug Crankcase/Oil Tank with Special Tap fits '86-'95 Sportster Models Features: Timing plugs in a variety of styles and fitments Include kit for...$51.95
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.