Engine
7735 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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James Gasket - 40mm Intake Manifold Seal Kit fits '99-'06 Twin Cam & '88-'06 Sportster Models w/ Original Equipment Carbs
James Gaskets
$17.95James Gasket - 40mm Intake Manifold Seal Kit fits '99-'06 Twin Cam & '88-'06 Sportster Models w/ Original Equipment Carbs Features: Kit contains carb-to-intake seal and two intake-to-cylinder...$17.95 -
Out of stock
Colony - 8703-2 Relief Valve Plug Kit fits '81-'84 Big Twin Models (OEM #26263-80)
Colony Machine
$10.95Colony - 8703-2 Relief Valve Plug Kit fits '81-'84 Big Twin Models (OEM #26263-80) Features: Plug and plug kits designed for a variety of Harley-Davidson® oil systems Complete with washers (or...$10.95 -
Colony - 9819-12 Allen Type Timing Cover Screw Kit fits '93-'94 FXR, '93-'99 FXD/FXST/FLST/FLT Models
Colony Machine
MSRP: $22.60$21.13Colony - 9819-12 Allen Type Timing Cover Screw Kit fits '93-'94 FXR, '93-'99 FXD/FXST/FLST/FLT Models Chrome timing cover allen type screw kit Fitment: FXD 1993-1999 FXST 1993-1999 FXR...MSRP: $22.60$21.13 -
Colony - Replacement Cylinder Stud Set fits '99-'17 Twin Cam Models (OEM #16834-99/A)
Colony Machine
$88.95Colony - Replacement Cylinder Stud Set fits '99-'17 Twin Cam Models (OEM #16834-99/A) Features: Heat-treated for strength and durability Equal or surpass original equipment$88.95 -
Colony - Oil Vent Fitting fits '36-'64 Big Twin Models (OEM #63533-15) - Chrome
Colony Machine
$17.95Colony - Oil Vent Fitting fits '36-'64 Big Twin Models (OEM #63533-15) - Chrome Features: Chrome-plated oil line fittings are exact duplicates of original types Can be used with braided...$17.95 -
Feuling - Fast Install Push Rods fits '99-'17 Twin Cam Models
Feuling
$221.95Feuling - Fast Install Push Rods fits '99-'17 Twin Cam Models FEULING® FAST Install adjustable pushrods are made from the same great design as the regular install FEULING® adjustable pushrods but...$221.95 -
Feuling - Panhead/Shovelhead Stainless Steel Head Bolt Kit - Silver
Feuling
$129.95Feuling - Panhead/Shovelhead Stainless Steel Head Bolt Kit - Silver This kit features precision rolled threads for the best engagement possible. This will prevent galling and instead promote...$129.95 -
James Gaskets - 65324-83-KWG1 - Graphite Wire Exhaust Port Gasket Kit W/ Chrome Acorn Nuts - Fits '84-'21 Evolution Big Twin & '86-'21 Sportster Models (Exc. '21 Sportster S/RH1250S)
James Gaskets
$26.95James Gaskets - 65324-83-KWG1 - Graphite Wire Exhaust Port Gasket Kit W/ Chrome Acorn Nuts - Fits '84-'21 Evolution Big Twin & '86-'21 Sportster Models (Exc. '21 Sportster S/RH1250S) Fits: '84-'21...$26.95 -
James Gaskets - 65324-83-KWG2 - Graphite Wire Exhaust Port Gasket Kit W/ Heavy-Duty Hex Nuts - Fits '84-'21 Evolution Big Twin & '86-'21 Sportster Models (Exc. '21 Sportster S/RH1250S)
James Gaskets
$24.95James Gaskets - 65324-83-KWG2 - Graphite Wire Exhaust Port Gasket Kit W/ Heavy-Duty Hex Nuts - Fits '84-'21 Evolution Big Twin & '86-'21 Sportster Models (Exc. '21 Sportster S/RH1250S) Fits: '84-'21...$24.95 -
V-Twin - 12-1764 - OE Rocker Arm Bushing
OE
MSRP: $14.60$14.45V-Twin - 12-1764 - OE Rocker Arm BushingDescriptionOE rocker arm bushing. Fits:XL 1986-2021Additional Information OEM No.MSRP: $14.60$14.45 -
V-Twin - 11-0641 - Intake and Exhaust Valve Seat
Kibblewhite
$32.78V-Twin - 11-0641 - Intake and Exhaust Valve SeatDescriptionOversize intake and exhaust valve seat is 2.016" x 1.635" x .453". Can be used with unleaded gas.$32.78 -
V-Twin - 11-1408 - M8 Pushrod Cover Kit Gloss Black
Motorshop
$97.53V-Twin - 11-1408 - M8 Pushrod Cover Kit Gloss BlackDescriptionPushrod cover kit for M8 models includes all necessary pieces for complete pushrod cover installation. Features a gloss black finish to...$97.53 -
Colony - 9402-1 Chrome Allen Timing Plug fits '84-'99 FXST, '91-'99 FXD, '82-'94 FXR Models
Colony Machine
MSRP: $17.88$17.70Colony - 9402-1 Chrome Allen Timing Plug fits '84-'99 FXST, '91-'99 FXD, '82-'94 FXR Models Allen timing plug has a chrome finish. Fitment: FXST 1984-1999 FXD 1991-1999 FXR 1982-1994 FLST...MSRP: $17.88$17.70 -
V-Twin - Black Front Motor Mount fits '91-'11 Dyna Models OEM #47583-90B
V-Twin Mfg
$133.31V-Twin - Black Front Motor Mount fits '91-'11 Dyna Models OEM #47583-90B The V-Twin Black Front Motor Mount, OEM #47583-90B, fits '91-'11 Dyna Models. Constructed of rubber and measuring 2-7/8" in...$133.31 -
James Gaskets - Retaining Rings for Exhaust Flange Kit
James Gaskets
$3.95James Gasket Retaining Rings for Exhaust Flange Kit These retaining rings are replacement parts for the Drag Specialties Exhaust Flange Kit for Harley Evo Big Twin 1984-Up (DBC-3480).$3.95 -
Rocker Lockers - Top End Noise Reduction Kit fits '07-'22 XL (except RH Sportster)
Rocker Lockers
$24.99Rocker Lockers - Top End Noise Reduction Kit fits '07-'22 XL (except RH Sportster) Want to get rid of that top end ticking noise in your motor? This is exactly what you're looking for! Rocker...$24.99 -
Colony - Ignition Cover Timer Stud Kit fits '70-'79 Big Twin as, '70-'79 Sportster Models (OEM #32601-78)
Colony Machine
$13.95Colony - Ignition Cover Timer Stud Kit fits '70-'79 Big Twin as, '70-'79 Sportster Models (OEM #32601-78) Features: Reproduction of original ignition timer cover studs Made in the U.S.A.$13.95 -
V-Twin - 14-0144 - V-Twin Exhaust Valve Guide Oil Seal
Kibblewhite
MSRP: $13.52$13.38V-Twin - 14-0144 - V-Twin Exhaust Valve Guide Oil SealDescriptionExhaust valve guide oil seal is steel K-line brand with rubber seal. Fits:XL 1957-1985Additional InformationMSRP: $13.52$13.38 -
V-Twin - 11-1073 - Pushrod Cover Cup Set Brass
Motorshop
$47.34V-Twin - 11-1073 - Pushrod Cover Cup Set BrassDescriptionPushrod cover spring cup set is machined of solid brass and polished.Set of four. Fits:FXD 1991-2017FX 1971-1984EL 1936-1940FL 1941-1984XL...$47.34 -
S&S Cycle - 50-8013 - Nitrile O-Ring
S&S Cycle
$6.95S&S Cycle - 50-8013 - Nitrile O-RingFeaturesO-Ring for Super E & G CarburetorsSpecsMaterialNitrile Rubbe$6.95 -
Kibblewhite - 20-21062K - Valve - Exhaust - 1.299" - Inconal® - Oversize - M8
Kibblewhite
$51.57Kibblewhite - 20-21062K - Valve - Exhaust - 1.299" - Inconal® - Oversize - M8FeaturesDesigned using Finite Element Analysis (F.E.A.) software, and profiles are tested on a computerized flow benchA...$51.57 -
Kibblewhite - 20-21060H - Valve - Intake - 1.614" - Oversize - M8
Kibblewhite
$36.98Kibblewhite - 20-21060H - Valve - Intake - 1.614" - Oversize - M8FeaturesDesigned using Finite Element Analysis (F.E.A.) software, and profiles are tested on a computerized flow benchA 360 anode is...$36.98 -
Kibblewhite - 20-21020 - Valve Guide - Intake - 0.4750" OD - M8
Kibblewhite
$26.89Kibblewhite - 20-21020 - Valve Guide - Intake - 0.4750" OD - M8FeaturesPrecision-machined from copper based C63000 nickel-aluminum bronzeCompatible with no-lead fuel and accept any type of valve-stem...$26.89 -
Kibblewhite - 20-21030 - Valve Guide -Exhaust - 0.4750" OD - M8
Kibblewhite
$26.89Kibblewhite - 20-21030 - Valve Guide -Exhaust - 0.4750" OD - M8FeaturesPrecision-machined from copper based C63000 nickel-aluminum bronzeCompatible with no-lead fuel and accept any type of valve-stem...$26.89 -
Rocker Lockers - Rocker Locker Kit fits '84-'00 Big Twin Evolution Models
Rocker Lockers
$24.95Rocker Lockers - Rocker Locker Kit fits '84-'00 Big Twin Evolution Models Features Centers the rocker plate eliminating different wear patterns on the rocker arm valve Tapered design so that...$24.95 -
Drag Specialties - Cam Covers - fits Harley Twin Cam - Black or Chrome (See Desc.)
Drag Specialties
$129.27Drag Specialties Cam Covers for Harley Twin Cam The Drag Specialties Cam Covers are made to be tough and durable. As always Drag uses only high quality material to construct their products and...$129.27 -
Feuling - Rocker Box Breather Kit fits '99-'17 Touring, Softail and Dyna Models
$199.95Feuling - Rocker Box Breather Kit fits '99-'17 Touring, Softail and Dyna Models The Fueling Rocker Box Breather Kit comes fully stocked and is crafted from top-of-the-line materials. It is an easy...$199.95 -
V-twin Trimmed Cam Cover fits '04-Up XL Sportster - Chrome
V-Twin Mfg
$313.06V-twin Trimmed Cam Cover fits '04-Up XL Sportster - Chrome V-twin took all the work out of trimming down your Sportster Cam Cover, no more cutting and grinding all of the excess casting to get that...$313.06 -
James Gasket - Rocker Cover Gasket fits '99-'17 Twin Cam Models (OEM #17386-99A)
James Gaskets
$29.95James Gasket - Rocker Cover Gasket fits '99-'17 Twin Cam Models (OEM #17386-99A) Features: Strategically placed elastomer beading helps ensure a positive seal while our clear silicone conformal co$29.95 -
Hiflofiltro - HF178 - Oil Filter
Hiflofiltro
$11.99Hiflofiltro - HF178 - Oil FilterFeaturesGlobal Trade Item Number: 824225110784Provides unbeatable performance and exceptional value, Hiflo filters are the best-selling brand of aftermarket filters...$11.99 -
Mikuni - FHS42/062-42K - Mikuni Rubber Falange Adapter Hs-42
Mikuni
$41.95Mikuni - FHS42/062-42K - Mikuni Rubber Falange Adapter Hs-42FeaturesFitment1999-2006Harley DavidsonFLHR Road King1999-2006Harley Davidson$41.95 -
V-Twin - 16-9724 - Oil Pressure Sender Unit Wrench Tool
Motorshop
$58.48V-Twin - 16-9724 - Oil Pressure Sender Unit Wrench ToolDescriptionReversible ratcheting type wrench has a socket type head for easy removal and installation of oil pressure switch and fits Evolution...$58.48 -
V-Twin - 12-0949 - Piston Wrist Pin Lock
Eastern Motorcycle Parts
MSRP: $16.42$16.25V-Twin - 12-0949 - Piston Wrist Pin LockDescriptionWrist pin lock, 10 pack. Fits:FXST 1984-1998FLT 1984-1998XL 1986-UPFXD 1991-1998FXR 1984-1994FLST 1986-1998Additional InformationMSRP: $16.42$16.25 -
V-Twin - 11-0006 - XL Shovelhead Rocker Box Cover Set Natural Cast
Motorshop
MSRP: $486.18$282.05V-Twin - 11-0006 - XL Shovelhead Rocker Box Cover Set Natural CastDescriptionXL Shovelhead rocker box cover set features a natural cast aluminum construction with shot peened finish and Shovelhead...MSRP: $486.18$282.05 -
Feuling Parts - 3083 - Vented Dipstick Rebuild Kit
Feuling
$69.95Feuling Parts - 3083 - Vented Dipstick Rebuild Kit Features Includes replacement K&N filter element, rubber umbrella flapper valve, filter element, set screw, 545™ Loctite and zip ties Made in...$69.95 -
Hastings - 2M4941 - Piston Rings - 3.875" Standard - 95"/103" Big Bore - Twin Cam
Hastings
$102.95Hastings - 2M4941 - Piston Rings - 3.875" Standard - 95"/103" Big Bore - Twin CamFeaturesIncludes top compression rings, second compression rings, and oil control ringsTop Compression Rings are...$102.95 -
James Gasket - Pushrod Seal Set fits '79-'81 Shovelhead Models (O-Ring)
James Gaskets
$11.95James Gasket - Pushrod Seal Set fits '79-'81 Shovelhead Models (O-Ring) Features: Convenient and efficient way to sell the correct amount of seals or O-rings for a rebuild or cam change James...$11.95 -
James Gasket - Intake Manifold Gasket Kit fits '66-'84 Shovelhead, '57-'78 Sportster Models w/ Bendix/Keihin (Butterfly Style (OEM #27002-57))
James Gaskets
$15.95James Gasket - Intake Manifold Gasket Kit fits '66-'84 Shovelhead, '57-'78 Sportster Models w/ Bendix/Keihin (Butterfly Style (OEM #27002-57)) Features: Kit contains carb-to-intake seal and two...$15.95 -
Drag Specialties - Swingarm Isolator Mount fits '86-'08 Touring & '99-'00 FXR Models (Repl. OEM #47564-86B)
Drag Specialties
$34.93Drag Specialties - Swingarm Isolator Mount fits '86-'08 Touring & '99-'00 FXR Models (Repl. OEM #47564-86B) This mount meets or exceeds OEM specifications. Sold each. NOTE: Will fit '85 models...$34.93 -
Alloy Art - Gooden-Tite Iso Front Motor Mounts - Fits '84-'08 FLT and FXR Models - Machine Finish
Alloy Art
$101.95The Alloy Art Gooden-Tite Iso Front Motor Mounts are CNC Machined aluminum base plate with cast high-performance polyurethane isolator bushings. Made in the USA Fits '84-'08 FLT and FXR Models$101.95
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.