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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DK Custom Products - Thunder Torque Inserts
DK Custom Products
$29.95 - $53.95DK Custom Products - Thunder Torque Inserts These torque inserts are available in 1", 2", and 3" diameters. They are sold in singles and in sets, your choice! Features High-Temp powder coat...$29.95 - $53.95 -
V-Twin - 10-1767 - Cam Chain Tensioner Set - Fits 1999-2006 Harley-Davidson FLST, FXST, FLT, FXD
V-Twin Mfg
$95.04Cam chain tensioner set. Fits:FLST 1999-2006FXST 1999-2006FLT 1999-2006FXD 1999-2006Additional Information OEM No.39964-94$95.04 -
Drag Specialties - Rear Isolators - Fits '04-'18 Harley XL Sportster Models
Drag Specialties
$33.87Drag Specialties Isolators This Drag Specialties rear isolator is meant to replace OEM part number 48492-04. Features: Meets or exceeds OEM specifications Sold each Fitment$33.87 -
S&S Cycle - Headbolt Kit fits '84-'99 Evolution Big Twin, '99-'17 Twin Cam & '86-'21 XL Models (exc. '21 S/RH1250S)
S&S Cycle
$149.95S&S Cycle - Headbolt Kit fits '84-'99 Evolution Big Twin, '99-'17 Twin Cam & '86-'21 XL Models (exc. '21 S/RH1250S) This complete headbolt kit features 12-point bolts and is built with pride in the...$149.95 -
Rocker Lockers - Top End Noise Reduction Kit fits '99-'17 Twin Cam Models
Rocker Lockers
$24.99Rocker Lockers - Top End Noise Reduction Kits fits '99-'17 Twin Cam Models Want to get rid of that top end ticking noise in your motor? This is exactly what you're looking for! Rocker Lockers' Top...$24.99 -
On Sale
Feuling - Cylinder Stud and Head Bolt Kit - fits '99-'16 Twin Cam
MSRP: $434.95Now: $349.99Was: $429.95The Feuling Cylinder Stud and Head Bolt Kit: The strongest studs and bolts available Top engine builders demand quality fasteners. Secure your engine with complete confidence Superior in strength...MSRP: $434.95Now: $349.99Was: $429.95 -
V-Twin - 12-1487 - Oil Pump Check Valve Kit
Motorshop
$32.31V-Twin - 12-1487 - Oil Pump Check Valve KitDescriptionCheck valve kit include ball, spring and cap. Fits:FLT 1981-1998FXD 1991-1999FXR 1982-1994FL 1981-1984FLST 1986-1998FX 1981-1984Additional...$32.31 -
Feuling - Hydraulic Cam Chain Tensioner Kit - Inner/Outer - Fits '07-'17 Twin Cam & '06 Dyna Models
Feuling
$159.95Feuling - Hydraulic Cam Chain Tensioner Kit - Inner/Outer - Fits '07-'17 Twin Cam & '06 Dyna Models Features Includes both inner & outer tensioners Made in the U.S.A.$159.95 -
Rocker Lockers - DK-RL-TC - Rocker Lockers - Twin Cam
Rocker Lockers
$24.95Rocker Lockers - DK-RL-TC - Rocker Lockers - Twin CamFeaturesCenters the rocker plate eliminating different wear patterns on the rocker arm valveTapered design so that they lock themselves in and...$24.95 -
V-Twin - Black Rear Motor Mount fits '99-'17 Dyna Models OEM #47564-99
V-Twin Mfg
$106.81V-Twin - Black Rear Motor Mount fits '99-'17 Dyna Models OEM #47564-99 Replacement rear motor mount for 1999 to 2017 Harley Davidson Dyna models Fitment FXD 1999-2017$106.81 -
HardDrive - Swingarm Rubber Isolator Mount - fits '86-'08 Touring, '86-'94 FXR
HardDrive
$29.66The HardDrive Swingarm Rubber Isolator Mount: Meets or exceeds OEM specifications Sold each Fitment: '86-'08 Touring '86-'94 FXR Repl. OEM 47564-86$29.66 -
Alloy Art - Gooden-Tite Iso Front Motor Mounts fits '84-'08 FLT & FXR Models - Black
Alloy Art
$112.95Alloy Art - Gooden-Tite Iso Front Motor Mounts fits '84-'08 FLT & FXR Models - Black The Alloy Art Gooden-Tite Iso Front Motor Mounts are CNC Machined aluminum base plate with cast high-performance...$112.95 -
Drag Specialties - Front Isolators - Fits '04-'18 Harley XL Sportster Models
Drag Specialties
$34.93Drag Specialties Isolators This Drag Specialties front isolator replaces OEM part number 48463-04. Features: Meets or exceeds OEM specifications Sold each Fitment Year$34.93
V-Twin - Pushrod Cover Kit fits '66-'84 Harley Shovelhead
V-Twin Mfg
$169.19V-Twin - Pushrod Cover Kit fits '66-'84 Harley Shovelhead This pushrod cover kit is titanium-plated and features the inner pushrod set, the lower pushrod cover set, a cover spring, a cover spring...$169.19
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
Harddrive - 13-106 - Front Motor Mount Dyna Fx 91-17
HardDrive
$109.76Harddrive - 13-106 - Front Motor Mount Dyna Fx 91-17FeaturesGlobal Trade Item Number: 191361166525Quality replacement urethane rubber motor mountsFor Touring, Dyna and FXR modelsFitment$109.76
V-Twin - 11-0278 - Evolution Shovelhead Rocker Box Cover Set - Fits 1985-1999 Harley-Davidson FL, FLT, FX
V-Twin Mfg
MSRP: $371.71$267.20Evolution Shovelhead rocker box set accepts 1/2" x 20 end plugs. Features a natuarl cast aluminum construction with shot peened finish and cast shape readily accepts a black VHT finish.Allen screws...MSRP: $371.71$267.20
Feuling - Short Sump Plug fits '17-'23 M-EIGHT, '99-'17 Twin Cam
Feuling
$12.95Feuling - Short Sump Plug fits '17-'23 M-EIGHT, '99-'17 Twin Cam Features: Ensures the cross sump port is wide open and allows the oil pump to pull as much as possible from the sump Fitment<$12.95
V-Twin - 11-0917 - Pushrod Cover Spring Cup Set Chrome
Motorshop
$25.37V-Twin - 11-0917 - Pushrod Cover Spring Cup Set ChromeDescriptionPushrod cover spring cup features a chrome finish.Set of four. Fits:FXD 1991-2017FX 1971-1984EL 1936-1940FL 1941-1984XL 1957-1989FLST...$25.37
Alloy Art - Gooden-Tite Swing Arm Bushings fits '08 & Earlier Touring and FXR Models
Alloy Art
$75.95Alloy Art - Gooden-Tite Swing Arm Bushings fits '08 & Earlier Touring and FXR Models These swing arm bushings significantly decrease motor flop and movement while still dampening vibration...$75.95
V-Twin - 11-1650 - M8 Lower Rocker Cover Screw Standard Set Zinc Plated
V-Twin Mfg
$24.77V-Twin - 11-1650 - M8 Lower Rocker Cover Screw Standard Set Zinc PlatedDescriptionRocker box cover screw set features a zinc plated finish for M8 models. Set is for the center of the rocker arm cover...$24.77
Permatex - 59235 - High Temperature Thread Sealan Sealant 50Ml
Permatex
$23.95Permatex - 59235 - High Temperature Thread Sealan Sealant 50Ml Features Global Trade Item Number: 686226592354 Locks and seal threaded fittings Great for fuel, cooling and hydraulic...$23.95
V-Twin - 11-1270 - 1270cc Cylinder and Piston Conversion Kit Silver
V-Twin Mfg
MSRP: $674.86$500.41V-Twin - 11-1270 - 1270cc Cylinder and Piston Conversion Kit SilverDescriptionBig bore cylinder kit for 883-1270cc conversion on Sportster models. Kit includes head gasket and has a compression ratio...MSRP: $674.86$500.41
S&S Cycle - 31-4102A - Oil Filter - Chrome
S&S Cycle
$23.95S&S Cycle - 31-4102A - Oil Filter - ChromeFeaturesSturdy steel canister houses the finest filtering media and internal components availableCanister is slightly smaller in diameter than stock filters...$23.95
V-Twin - Pushrod Cover Kit fits Harley Twin Cam Models - Gold
V-Twin Mfg
$158.80V-Twin - Pushrod Cover Kit fits Harley Twin Cam Models - Gold This titanium-plated pushrod cover kit features inner, lower and upper covers for Twin Cam engines. Fitment FLT 1999-2016FLST...$158.80
Cometic - Primary Gasket Kit fits '18-'24 M8 Softail Models
Cometic
$86.05Cometic - Primary Gasket Kit fits '18-'22 M8 Softail Models This kit features Cometic's proprietary AFM (Aluminum Foamette Material) gaskets. These gaskets have an aluminum core with a chemically...$86.05
Colony Machine - Crankcase Oil Screen & Spring Kit fits '70-'99 Big Twin & All Aftermarket Cases (OEM #24981-70, 24982-70)
Colony Machine
$8.95Colony Machine - Crankcase Oil Screen & Spring Kit fits '70-'99 Big Twin & All Aftermarket Cases (OEM #24981-70, 24982-70) Features: Tappet screen and spring Made in the USA$8.95
V-Twin - 11-1258 - 83 inch Evolution Big Bore Cylinder Kit
Motorshop
$743.19V-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...$743.19
V-Twin - Pushrod Cover Kit fits Harley Evo Big Twins - Gold
V-Twin Mfg
$156.33V-Twin - Pushrod Cover Kit fits Harley Evo Big Twins - Gold V-Twin's titanium stock-style pushrod cover kit is a 16-piece set with all of the necessary components for a complete installation for...$156.33
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
Motion Pro - 08-0744 - Push Rod Tool
Motion Pro
$56.99Motion Pro - 08-0744 - Push Rod Tool Features Designed to remove and install the clip on Harley-Davidson® collapsible push rod tubes on Twin Cam and earlier Models Flat portion of tool fits...$56.99
James Gasket - Cam Cover Gasket fits '93-'99 Evolution Models (Metal w/ Silicone (OEM #25225-93))
James Gaskets
$10.95James Gasket - Cam Cover Gasket fits '93-'99 Evolution Models (Metal w/ Silicone (OEM #25225-93)) Features: Replacement gaskets for cam chests$10.95
V-Twin - 12-1416 - Chrome Oil Line Fitting
Motorshop
$33.32V-Twin - 12-1416 - Chrome Oil Line FittingDescriptionChrome, 90 street elbow oil line fitting has 1/8" NPT male x 1/8 " NPT female thread. Fits:FXST 1984-1998FXR 1982-1994FLT 1979-1998FX...$33.32
V-Twin - 10-0067 - 4-Finned Panhead Cam Cover Cast
Motorshop
$185.52V-Twin - 10-0067 - 4-Finned Panhead Cam Cover CastDescriptionCast cam cover with 4-finned stock finish includes bushings and breather pipe. Cover include early pinion shaft bushing installed.Cam...$185.52
Feuling Parts - 1217 - Valve Spring Seat Shims - Twin Cam | XL
Feuling
$14.95Feuling Parts - 1217 - Valve Spring Seat Shims - Twin Cam | XLFeaturesSet valve spring open height to match camshaft lifts for optimum valve-train stability and performanceIncludes four 0.060" thick...$14.95
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
Drag Specialties - Oil Filter fits 'L82-'84 FLH, 'L82-'86 FX/FXWG, '80-'E84 Sportster Models (OEM #63782-80A, 63810-80)
Drag Specialties
$10.45 - $12.55Drag 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...$10.45 - $12.55
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.