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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Colony - Engine Case Sprocket Shaft Seal - fits '41-54 FL, '36-'40 EL
Colony Machine
$28.99Sprocket shaft seal. Fits: EL 1936-1940 FL 1941-1954$28.99 -
On Sale
Colony - Cylinder Head Engine Brace Mount - Cadmium fits '66-'84 FL and '71-'84 FX
Colony Machine
Now: $22.99Was: $23.03Cylinder head engine brace mount. Fits: FL 1966-1984 FX 1971-1984Now: $22.99Was: $23.03 -
Colony - Cylinder Head Engine Brace Mount - Cadmium fits '48-'65 FL
Colony Machine
MSRP: $23.04$22.99Cylinder head engine brace mount with a cadmium finish. Fits: FL 1948-1965MSRP: $23.04$22.99 -
On Sale
Colony - Cylinder Head Engine Brace Mount - Parkerized fits '48-'65 FL
Colony Machine
Now: $22.99Was: $23.03Parkerized cylinder head engine brace mount. Fits: FL 1948-1965Now: $22.99Was: $23.03 -
On Sale
Colony - Upper and Lower Allen Motor Mount Kit - fits '70-'84 FL, '71-'84 FX
Colony Machine
MSRP: $46.25Now: $44.99Was: $49.45Upper and lower allen motor mount kit Fits: FL 1970-1984 FX 1971-1984MSRP: $46.25Now: $44.99Was: $49.45 -
Colony - 9212-16 Cadmium Headbolt Kit fits '73-'85 Sportster Models
Colony Machine
$56.34Colony - 9212-16 Cadmium Headbolt Kit fits '73-'85 Sportster Models Headbolt kit with a cadmium finish. Fitment: XL 1973-1985$56.34 -
On Sale
Colony - Acorn Headbolt Cover Kit - Chrome fits '73-'84 XL
Colony Machine
MSRP: $58.35Now: $51.99Was: $62.38Colony's acorn type headbolt cover kit has a chrome finish. Fits: XL 1973-1984MSRP: $58.35Now: $51.99Was: $62.38 -
On Sale
Colony - Cylinder Head Bolt Set - Chrome fits '92-'98 FXST, FLST, FXD, FLT and '93-'04 XL
Colony Machine
MSRP: $109.98Now: $107.99Was: $128.95Colony cylinder head bolt set with a chrome finish. Fits: FXST 1992-1998 XL 1993-2004 FLST 1992-1998 FXD 1992-1998 FLT 1992-1998 UOM: 8 - SETMSRP: $109.98Now: $107.99Was: $128.95 -
On Sale
Colony - Tappet Block Screw Kit - Cadmium fits '57-'85 XL
Colony Machine
MSRP: $14.72Now: $12.99Was: $14.56Colony tappet block screw kit with a cadmium finish. Fits: XL 1957-1985MSRP: $14.72Now: $12.99Was: $14.56 -
Colony - Rocker Box Screw Kit - fits '77-'85 XL
Colony Machine
$39.36Colony rocker box screw kit without stud is available in chrome or cadmium finish Fits:XL 1977-1985$39.36 -
On Sale
Colony - Rocker Box Allen Screws - Chrome fits '57-'76 XL
Colony Machine
MSRP: $36.96Now: $32.99Was: $36.22Rocker Box allen screws. Chrome finish Fits: XL 1957-1976MSRP: $36.96Now: $32.99Was: $36.22 -
Colony - 9830-28 Cadmium Rocker Box Screw Kit fits '57-'76 Sportster Models
Colony Machine
$34.95Colony - 9830-28 Cadmium Rocker Box Screw Kit fits '57-'76 Sportster Models Rocker box screw kit with a cadmium finish. Fitment: XL 1957-1976$34.95 -
On Sale
Colony - Upper Pushrod Cover Inner fits '57-'78 XL, '41-'78 FL
Colony Machine
MSRP: $44.27Now: $39.99Was: $43.38Colony Upper Pushrod Cover (Inner). OEM No: 17935-66 Fits: EL 1936-1940 FL 1941-1978 FX 1971-1978 XL 1957-1978MSRP: $44.27Now: $39.99Was: $43.38 -
Colony - Upper Pushrod Cover Set fits '86-'90 XL Sportster
Colony Machine
$69.26Chrome upper pushrod cover set includes 2-13/16" long clips Fits: XL 1986-1990$69.26 -
Colony - Aluminum Alloy Pushrod Kit fits '57-'85 XL Sportster
Colony Machine
$57.95Colony pushrod sets are contructed of aluminum alloy with heat treated steel ends. Fits: XL 1957-1985 OEM No: 17904-57$57.95 -
On Sale
Colony - Acorn Tappet Base Screw Set - fits Harley '76 -Up FL, FX (see desc.) - Chrome
Colony Machine
MSRP: $33.36Now: $29.99Was: $34.31Acorn tappet base screw Screw does not have taper and fits 1976-up style lifter blocks only. Fits:FL 1976-1984FX 1976-1984FLT 1979-1998FXR 1982-1994FLST 1986-1998FXD 1991-1998MSRP: $33.36Now: $29.99Was: $34.31 -
On Sale
Colony - Cam Cover Screw Set fits Harley FL, FX (see desc.) - Chrome
Colony Machine
MSRP: $17.00Now: $15.99Was: $16.83Colony Chrome cam cover screw set. Fits:FL 1970-1984FX 1971-1984FLT 1979-1992FXR 1982-1992FXST 1984-1992FLST 1986-1992FXD 1991-1992MSRP: $17.00Now: $15.99Was: $16.83 -
On Sale
Colony - Chrome Rocker Cover Screw Kit fits Harley XL, FL, FXD - Button Head
Colony Machine
MSRP: $27.80Now: $24.99Was: $28.59Colony Machine Rocker box screw set, Chrome Button Head style. Fits: FXST 1984-1998 FLST 1986-1998 FLT 1984-1998 FXR 1984-1994 FXD 1991-1998 XL 1986-UPMSRP: $27.80Now: $24.99Was: $28.59 -
V-Twin - Motor Mount Kit - Fits EL '36-'40 FL '41-'69
V-Twin Mfg
$66.58 - $68.98V-Twin - Motor Mount Kit - Fits EL '36-'40 FL '41-'69 V-Twin Upper and lower motor mount bolt kit is available in chrome, cadmium, or a parkerized finish. FitmentEL 1936-1940FL 1941-1969$66.58 - $68.98 -
Out of stock
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 -
Out of stock
Feuling Parts - 7074 - HP+® Performance Oil System - Twin Cam
Feuling
$859.95Feuling Parts - 7074 - HP+® Performance Oil System - Twin CamFeaturesCombine all the needed components to finish your T/C® engine's oiling systemQuieter and smoother engine operationIncrease oil...$859.95 -
Out of stock
V-Twin - 31-0682 - Urethane Bottom Engine Mount - Fits 1982-1994 Harley-Davidson FXR, 1979-2008 FLT (5-Speed)
V-Twin Mfg
$55.51Bottom engine mount replaces the stock engine mount on rubber mounted engines. The mount plate is chrome steel with a polyurethane bushing assembly.Urethane motor mount utilizes formulated compounds...$55.51 -
Out of stock
V-Twin - 11-0075 - 95 inch Big Bore Twin Cam Cylinder and Piston Kit
Motorshop
$470.64V-Twin - 11-0075 - 95 inch Big Bore Twin Cam Cylinder and Piston KitDescription95" Big Bore bolt on cylinder kit will increase TC-88 engine to 95". Kit includes silver cylinders with 10.25:1 cast...$470.64 -
Out of stock
V-Twin - 11-0074 - 95 inch Big Bore Black Cylinder Kit
Motorshop
$543.91V-Twin - 11-0074 - 95 inch Big Bore Black Cylinder KitDescription95" Big Bore bolt on cylinder kit will increase TC-88 engines to 95".Kit includes two 95" black cylinders, two 10.25:1 compression...$543.91 -
Out of stock
Drag Specialties - 07100281 - Pop-Up Dipstick - Black - Sportster
Drag Specialties
$37.05Drag Specialties - 07100281 - Pop-Up Dipstick - Black - SportsterFeaturesSold eachReplacement Part for OEM Number(s):6300004BSpecs$37.05 -
Out of stock
Cometic - Primary Gasket Kit fits '06-'17 Dyna & '07-'17 Softail Models
Cometic
$127.57Cometic - Primary Gasket Kit fits '06-'17 Dyna & '07-'17 Softail Models This kit features Cometic's proprietary AFM (Aluminum Foamette Material) gaskets. These gaskets have an aluminum core with a...$127.57 -
Out of stock
Harddrive - 68-321BK - Twin Cam Tappet Cover Set Black
HardDrive
$82.76Harddrive - 68-321BK - Twin Cam Tappet Cover Set BlackFeaturesGlobal Trade Item Number: 191361228360Die cast construction, replaces OEM lifter coversAvailable in chrome or black finishSold as a set...$82.76 -
Out of stock
S&S Cycle - Adjustable Pushrods fits '84-'99 Evolution Big Twin Models
S&S Cycle
MSRP: $174.95$152.95S&S Cycle - Adjustable Pushrods fits '84-'99 Evolution Big Twin Models Features: .4375" diameter chromoly steel for maximum strength Rocker boxes must be removed for installation or removalMSRP: $174.95$152.95 -
Out of stock
V-Twin - 10-0768 - Sifton Solid Tappet Conversion Kit
Motorshop
$168.03V-Twin - 10-0768 - Sifton Solid Tappet Conversion KitDescriptionSifton lifter conversion kit for Big Twin includes four standard size roller tappets and conversion adapter to act as solid lifters...$168.03 -
Out of stock
Colony - Upper and Lower Motor Mount Hardware fits '70-'84 Shovelhead Model (OEM #4401W, 4435W)
Colony Machine
$33.95Colony - Upper and Lower Motor Mount Hardware fits '70-'84 Shovelhead Model (OEM #4401W, 4435W) Features: Includes one 7/16" - 20 x 1-1/2" bolt, one 7/16" - 20 nylock nut, three 5/16" OD x 7/16"...$33.95 -
Out of stock
Cometic - Primary Gasket Kit fits '17-'24 M8 Touring Models
Cometic
$91.13Cometic - Primary Gasket Kit fits '17-'22 M8 Touring Models This kit features Cometic's proprietary AFM (Aluminum Foamette Material) gaskets. These gaskets have an aluminum core with a chemically...$91.13 -
Out of stock
Cometic - C10081 - Head Gaskets Twin Cooled 3.875" .027"Mls 2/Pk
Cometic
$63.07Cometic - C10081 - Head Gaskets Twin Cooled 3.875" .027"Mls 2/PkFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs...$63.07 -
Out of stock
Cometic - C9313F1 - Sportster Cam Cover Gasket Sportster 1/Pk Oe#25263-90B
Cometic
$17.04Cometic - C9313F1 - Sportster Cam Cover Gasket Sportster 1/Pk Oe#25263-90BFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$17.04 -
Out of stock
Pro Filter - PF-171C - Replacement Oil Filter
Pro Filter
$16.99Pro Filter - PF-171C - Replacement Oil FilterFeaturesHigh-performance OEM-type filterIncludes fibrous micro-pore filtration structureConsistent flow rates with high strength and dimensional...$16.99 -
Out of stock
V-Twin - 32-1662 - M8 Oil Pressure Switch - Fits 2017-2022 Harley-Davidson FXST, FLT, FLST
V-Twin Mfg
$40.18Precision calibrated oil pressure switch for M8 models. Fits:FXST 2017-2022FLT 2017-2022FLST 2017-2022Additional Information OEM No.714$40.18 -
Out of stock
V-Twin - 37-9181 - Chrome Engine Mount Allen Screw Set
Gardner-Westcott
$49.80V-Twin - 37-9181 - Chrome Engine Mount Allen Screw SetDescriptionChrome engine mount screw set with allen type screws for 4- speed transmissions connects engine mounts, front, top and r ear to frame...$49.80 -
Out of stock
S&S Cycle - 31-6018 - Oil Pump Relief Spring - Fits 1936-1999 Big Twin (except Twin Cam); repl. OEM #26207-83 (Relief valve spring, 1966-1984)
S&S Cycle
$6.95S&S Cycle - 31-6018 - Oil Pump Relief SpringFeaturesThis premium quality, steel-alloy oil pump pressure relief spring actually increases engine oil pressure by 2-3 psi, and does not interfere with...$6.95 -
Out of stock
S&S Cycle - 93-5120 - Quickee Pushrods - Big Twin
S&S Cycle
$224.95S&S Cycle - 93-5120 - Quickee Pushrods - Big TwinFeaturesFeatures revolutionary design - allows quicker, easier installation without the removal of the rocker covers.4375” diameter Chromoly...$224.95 -
Out of stock
S&S Cycle - 34-4007 - Wrist Pin Bushing - Big Twin
S&S Cycle
$11.95S&S Cycle - 34-4007 - Wrist Pin Bushing - Big Twin Features Meets or exceeds fitment and wearability of OEM bushings Measures 0.767" x 0.895" x 1.077" Made in the U.S.A. Specs$11.95 -
Out of stock
Cometic - C9646F1 - Oil Pan Gasket - Dyna
Cometic
$13.95Cometic - C9646F1 - Oil Pan Gasket - DynaFeaturesAluminum Foamette Material gaskets feature an aluminum core and a chemically blown, compounded nitrile synthetic rubber coating that is bonded to the...$13.95
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.