Engine
7737 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
V-Twin - 11-1684 - OE Front Rocker Box Breather Valve
OE
MSRP: $37.91$37.15V-Twin - 11-1684 - OE Front Rocker Box Breather ValveDescriptionOE front breather valve for the rocker box. Fits:XL 2007-UPAdditional InformationMSRP: $37.91$37.15 -
Out of stock
Cometic - Primary Gasket Kit fits '86-'90 Sportster Models
Cometic
$57.34Cometic - Primary Gasket Kit fits '77-'90 Sportster Models This kit features Cometic's proprietary AFM (Aluminum Foamette Material) gaskets. These gaskets have an aluminum core with a chemically...$57.34 -
Out of stock
Old-STF Cycle - Brass Rocker Box Oil Line fits '57-'85 Ironhead
Old-STF Cycle
$72.95Old-STF Cycle - Brass Rocker Box Oil Line fits Ironhead Sportster Features: Old-Stf Ironhead Sportster loop rocker box lines. 1/4" Brass oil lines pre- bent with all necessary fittings. Easy...$72.95 -
Out of stock
Feuling - 574 Race Series® Chain Drive Camchest Kits for All '07-'17 Twin Cam and '06 Dyna Glide
Feuling
$1,879.95Feuling - 574 Race Series® Chain Drive Camchest Kits for All '07-'17 Twin Cam and '06 Dyna Glide Features All necessary components from top to bottom of the camchest All parts work and function...$1,879.95 -
Out of stock
S&S Cycle - 310-1378A - Cam Chest Kit - Oil Cooled - Chain Drive - 496 Cam - Chrome Pushrod Tubes - M8
S&S Cycle
$1,495.95S&S Cycle - 310-1378A - Cam Chest Kit - Oil Cooled - Chain Drive - 496 Cam - Chrome Pushrod Tubes - M8FeaturesPassage plugs are removable for servicingIndependent scavenge sections for the flywheel...$1,495.95 -
Out of stock
Harddrive - 23-121A - Intake Manifold Flange Set Oem 27009-86A
HardDrive
$33.26Harddrive - 23-121A - Intake Manifold Flange Set Oem 27009-86AFeaturesGlobal Trade Item Number: 191361137822OEM replacementFitment2014-2017Harley Davidson<$33.26 -
Out of stock
V-Twin - 42-1158 - Head Bolt and Spark Plug Cover Kit Chrome
V-Twin Mfg
$60.46V-Twin - 42-1158 - Head Bolt and Spark Plug Cover Kit ChromeDescriptionChrome cylinder head bolt and spark plug cover kit. Fits:XL 2004-UPAdditional Information$60.46 -
Out of stock
V-Twin - 42-0654 - Chrome Oil Pump Dress Up Kit - Fits 1992-1998 Harley-Davidson FXD, FLST, 1992-1994 FXR, 1992-1998 FLT, FXST
V-Twin Mfg
$115.07Chrome oil pump dress up kit includes chrome covers for oil filter housing, tappet blocks, and oil pump on 1992-1999 Big Twin 1340 models. Fits:FXD 1992-1998FLST 1992-1998FXR 1992-1994FLT...$115.07 -
Out of stock
V-Twin - 40-0846 - Oil Filter Canister Kit - Fits 1948-1957 Harley-Davidson FL
V-Twin Mfg
$130.61Oil filter kit is for rigid Panheads, kit features chrome canister body with polished top. Includes bracket and fitting set.NOTE: Canister is supplied with polished aluminum top and chrome body...$130.61 -
Out of stock
V-Twin - 31-0119 - Chrome Top Engine Mount
Paughco
$124.32V-Twin - 31-0119 - Chrome Top Engine MountDescriptionChrome top engine mount replaces the stock type and mounts engine to the top of the frame. Fits:FXR 1984-1989Additional Information$124.32 -
Out of stock
V-Twin - 11-2000 - Chrome Intake Valve
Crane
$13.72V-Twin - 11-2000 - Chrome Intake Valve Description Crane chrome intake valve Fits: FLT 1979-1983 FX 1971-1984 FXR 1982-1983 FL 1966-1984 Additional Information$13.72 -
Out of stock
V-Twin - 11-1886 - Ampco 45 .004 Intake Valve Guide
Rowe
$11.74V-Twin - 11-1886 - Ampco 45 .004 Intake Valve GuideDescriptionRowe .004 intake valve guide is made of ampco 45 Fits:FX 1979-1984FLT 1979-1983FXR 1982-1983FL 1979-1984Additional Information$11.74 -
Out of stock
V-Twin - 11-1680 - 883cc to 1200cc Conversion Piston Set Standard 3.498 inch
Motorshop
$173.10V-Twin - 11-1680 - 883cc to 1200cc Conversion Piston Set Standard 3.498 inchDescriptionSifton cast piston kit includes reverse domed pistons and Hasting rings.Piston set has a 9.5:1 compression...$173.10 -
Out of stock
V-Twin - 11-1575 - 95 inch Big Bore Twin Cam Cylinder and Piston Kit
Motorshop
$789.92V-Twin - 11-1575 - 95 inch Big Bore Twin Cam Cylinder and Piston KitDescription95" Big Bore bolt on cylinder kit wil increase TC-88 engines to 95". Kit includes black cylinders with 9.3:1 cast...$789.92 -
Out of stock
V-Twin - 11-0906 - Stroker Pushrod Cover Kit - Fits 1971-1984 Harley-Davidson FX, 1966-1984 FL
V-Twin Mfg
$96.16Stroker pushrod cover kit includes an inner pushrod cover set, cover seal, lower cover kit, cover spring, clip, and washer. Fits:FX 1971-1984FL 1966-1984Additional Information$96.16 -
Out of stock
V-Twin - 11-0860 - Polished Shovelhead Top End Kit - Fits 1980-1984 Harley-Davidson FLT, 1971-1984 FX, 1982-1984 FXR, 1966-1984 FL
V-Twin Mfg
$2,452.76Top end kit includes pre fitted 74" cylinder set with 8.5:1 pistons, heads, polished rocker boxes, cylinder base nuts, rocker box studs, nuts and top end gasket kit.Kit includes fully assembled late...$2,452.76 -
Out of stock
V-Twin - 11-0572 - Rocker Arm and Shaft Kit
Motorshop
$246.73V-Twin - 11-0572 - Rocker Arm and Shaft KitDescriptionSifton rocker arm and shaft kit includes 4 rocker arms and 4 shafts.Kit includes bushings which are already sized to fit the shafts. Fits:FLT...$246.73 -
Out of stock
V-Twin - 11-0263 - 95 inch Big Bore Twin Cam Piston Kit
Motorshop
$280.02V-Twin - 11-0263 - 95 inch Big Bore Twin Cam Piston KitDescription95" Big Bore piston kit is standard size for TC-88 models. Kit includes rings, clips, pins and 9.3:1 moly coated cast flat top...$280.02 -
Out of stock
V-Twin - 10-1957 - Panhead Cylinder Head Set with Valves
Motorshop
$1,687.65V-Twin - 10-1957 - Panhead Cylinder Head Set with Valves Description Cylinder heads are fully assembled with valves, springs and collars.V-Twin Motor Shop Ready Panheads with valves feature...$1,687.65 -
Out of stock
V-Twin - 10-0316 - Flatside Shovelhead Cam Case Kit
Motorshop
$1,073.30V-Twin - 10-0316 - Flatside Shovelhead Cam Case KitDescriptionFlatside Shovelhead cam case kit includes a cast finish cam cover and all internal parts for assembly.Accept Overhead oiler configuration...$1,073.30 -
Out of stock
Kb Performance - KB661C.STD - Piston Kit - 4.000" Standard - 10.0:1 CR - 96"/103" Twin Cam Bored to 110 CI w/SE 95 cc Heads
KB Performance
$322.95Kb Performance - KB661C.STD - Piston Kit - 4.000" Standard - 10.0:1 CR - 96"/103" Twin Cam Bored to 110 CI w/SE 95 cc HeadsFeaturesOffset pin design for quiet operationEach kit contains two pistons,...$322.95 -
Out of stock
Gardner-Westcott - C-61-58 - Fork Damper Tube Mount Kit
Gardner-Westcott
$13.95Gardner-Westcott - C-61-58 - Fork Damper Tube Mount KitFeaturesKit includes two 8 mm socket-head bolts and two copper washersMade in the U.S.AReplacement Part for OEM Number(s): 4540575ASpecs$13.95 -
Out of stock
Feuling Parts - 7215P - Camchest Kit - Race Series® - Reaper 574 - Chain Drive - w/One Piece Pushrods - Twin Cam '07-'17
Feuling
$1,879.95Feuling Parts - 7215P - Camchest Kit - Race Series® - Reaper 574 - Chain Drive - w/One Piece Pushrods - Twin Cam '07-'17FeaturesEliminate wet sumping, blowby and oily air cleaners25 - 35 cooler...$1,879.95 -
Out of stock
Feuling Parts - 1091 - Crankshaft Sprocket - Outer - 17 Tooth - Twin Cam | M8
Feuling
$59.95Feuling Parts - 1091 - Crankshaft Sprocket - Outer - 17 Tooth - Twin Cam | M8FeaturesDesigned with a tighter tolerance on the inner diameter for better fit to the pinionshaft which aids in...$59.95 -
Out of stock
Cometic - C10346-036 - Head Gasket - 4.250" x 0.036" - M8
Cometic
$92.95Cometic - C10346-036 - Head Gasket - 4.250" x 0.036" - M8FeaturesMLX Gasket (Multi-Layer-Xtreme) features an extra “stopper” fold-over layer providing a torque limiting surface that prevents yielding...$92.95 -
Out of stock
Cometic - C9890 - Motor Gasket Kit - Standard - EVO
Cometic
$170.95Cometic - C9890 - Motor Gasket Kit - Standard - EVOFeaturesEvery gasket in these kits uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel...$170.95 -
Out of stock
Andrews - 298135 - CAM SET N3 05-17 XL
Andrews
$504.95Andrews - 298135 - CAM SET N3 05-17 XLFeaturesCams run to 6500 rpm with stock hydraulic lifters; recommend solids not be installedStock base circle sizes allow the use of stock pushrodsN3 cams are...$504.95 -
Out of stock
Colony - 2595-13 Cadmium Upper Motor Mount Bolt Kit fits '36-'69 Big Twin Models (OEM #16865-52, 7867)
Colony Machine
$24.95Colony - 2595-13 Cadmium Upper Motor Mount Bolt Kit fits '36-'69 Big Twin Models (OEM #16865-52, 7867) Features: Kits includes top motor mount bolt, locknut, three flat washers, two castle nuts,...$24.95 -
Out of stock
Harddrive - Dyna Top Motor Mount
HardDrive
$150.95 - $166.95HardDrive Dyna Top Motor Mount Reduce engine vibration with this Dyna Top Motor Mount by HardDrive. Features: Available in show chrome or gloss black. Includes all hardware. Fully adjustable for...$150.95 - $166.95 -
Out of stock
Cometic - Breather Assembly Gasket Kit fits '03-'17 Twin Cam Models (Sold Each)
Cometic
$22.95Cometic - Breather Assembly Gasket Kit fits '03-'17 Twin Cam Models (Sold Each) This kit comes with all necessary gaskets/seals for a full breather rebuild assembly. Please Note: Breather assembly...$22.95 -
Out of stock
EMD - Rocker Covers - fits '17-Up M8
EMD
$499.95 - $539.95EMD - Rocker Covers - fits '17-Up M8 Dress up your M8 with a Rocker Cover by EMD. Features: Available in Classic Ribbed or Shovel design Available in Black or Raw finish Gaskets sold...$499.95 - $539.95 -
S&S Cycle - Oil Control Valve fits '17-'23 M-Eight Models
S&S Cycle
$50.95S&S Cycle - Oil Control Valve fits '17-'23 M-Eight Models Features: The factory oil control valve on all oil cooled M8 engines regulates the amount of oil flowing to the oil cooler/heads The...$50.95 -
Out of stock
EMD - Knuckle Style Cam Cover - Fits '91-Up XL Models
EMD
$178.95 - $195.95EMD - Knuckle Style Cam Cover - Fits '91-Up XL Models Features Fits over OEM Cam Cover Held in place with 3 supplied Allen bolts and spacers Can be notched at upper front to make room for your...$178.95 - $195.95 -
Out of stock
Performance Machine - Black Ops Race Series Rocker Box Cover fits '17-'23 Harley M8 Models
Performance Machine
$714.95Performance Machine - Black Ops Race Series Rocker Box Cover fits '17-'23 Harley M8 Models This rocker box cover dissipates heat more efficiently compared to stock covers. Features CNC machined...$714.95 -
Out of stock
Sawicki Speed Shop - Billet End Cap Replacement Kit (Universal Fit)
Sawicki Exhaust
$150.00Sawicki Speed Shop - Billet End Cap Replacement Kit (Universal Fit) Sold each. Fitment Fits all pipes.$150.00 -
Out of stock
S&S Cycle - Quickee Pushrod Kit with Gloss Black Covers fits '17-Up M8 Models
S&S Cycle
$334.95S&S Cycle - Quickee Pushrod Kit with Gloss Black Covers fits '17-Up M8 Models The S&S Cycle Quickee Pushrod Kit with Gloss Black Covers is the perfect upgrade for '17-Up M8 Models. The kit includes...$334.95 -
Out of stock
Feuling - 543 Series HP+® Chain Drive Camchest Kit fits '07-'17 Twin Cam & '06 Dyna Glide Models
Feuling
$1,649.95Feuling - 543 Series HP+® Chain Drive Camchest Kit fits '07-'17 Twin Cam & '06 Dyna Glide Models Features: All necessary components from top-to-bottom of the camchest Provide maximum...$1,649.95 -
Out of stock
Paughco - 1-3/4" Mounting Clamp
Paughco
$37.95Paughco 1-3/4" Mounting Clamp Mounting clamp required to install 1800-1867 (Paughco 1-3/4" Drag Pipes for FL Models, 34" pipes).$37.95 -
Out of stock
V-Twin - 11-1685 - OE Rear Rocker Box Breather Valve
OE
MSRP: $37.91$37.15V-Twin - 11-1685 - OE Rear Rocker Box Breather ValveDescriptionOE rear breather valve for the rocker box. Fits:XL 2007-UPAdditional InformationMSRP: $37.91$37.15 -
Out of stock
Alloy Art - CRA-1 - Compression Release Adapter - 14 mm x 3/4"
Alloy Art
$20.95Alloy Art - CRA-1 - Compression Release Adapter - 14 mm x 3/4"FeaturesDesigned to be used in twin plug headsAccept .650”/10mm x 1.0 compression release valvesSold eachMade in the U.S.A.Specs$20.95
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.