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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S&S Cycle - Roller Rocker Arms fits '17-'25 M8 Softail Models
S&S Cycle
$674.95S&S Cycle - Roller Rocker Arms fits '17-'25 M8 Softail Models Features Forged from 8620 steel, heat-treated then shot-peened for additional strength and durability Rocker arms have .75" long...$674.95 -
Colony Machine - Engine Bolt Kits fits '17-'21 Touring Models
Colony Machine
$243.95Colony Machine - Engine Bolt Kits fits '17-'20 Touring Models The Colony Machine Engine Bolt Kit is a fully equipped, chrome plated kit that is 100% manufactured in the U.S.A. Colony Machine is a...$243.95 -
Performance Machine - Rocker Box Covers fits '17-'21 M-Eight
Performance Machine
$1,026.95Performance Machine - Rocker Box Covers fits '17-'20 M-Eight These Rocker Box Covers were created to be designed the way that best fits your bike's style. They are available in chrome, contrast cut...$1,026.95 -
Roland Sands Design Clarity Cam Cover - fits '01-'17 Twin Cam w/o Cam Position Sensor ( exc. '01-'08 FL)
Roland Sands Design
$571.95Roland Sands Design Clarity Cam Cover - fits '01-'17 Twin Cam w/o Cam Position Sensor ( exc. '01-'08 FL) Features Allows for viewing of the internal moving engine components CNC-machined from...$571.95 -
Feuling Reaper 521 Camshaft for Harley Milwaukee Eight 2017-Up
$319.95Feuling Reaper 521 Camshaft for Harley Milwaukee Eight 2017-Up Description: Produce more power and torque in the riding rpm range, improving throttle response, acceleration and fuel...$319.95 -
Paughco - Rear Heat Shield for Drag Pipes DBC-2620
Paughco
$139.95Paughco Rear Heat Shield for Drag Pipes (DBC-2620) This heat shield is made for use with the Paughco Drag Pipes Fits Harley 70-84 FX Models w/ Swingarm Frame (DBC-2620).$139.95 -
Paughco - Rear Heat Shield for FX Models
Paughco
$139.95Paughco Front Heat Shield This heat shield is made for use with various Paughco brand exhaust systems.$139.95 -
Paughco - Rear Heat Shield
Paughco
$139.95Paughco Rear Heat Shield This heat shield is made for use with various Paughco brand exhaust systems.$139.95 -
S&S - Gear Drive Camshaft - Fits Harley '17-Up M8 Models with M8 Engine
S&S Cycle
$458.95 - $465.95S&S - Gear Drive Camshaft - Fits Harley '17-Up M8 Models with M8 Engine This replacement camshaft kit includes all required bearings, o-rings, gasket, and hardware. Features: 350 CAMS No Tuning...$458.95 - $465.95 -
S&S - Valve Spring Kit - Fits Harley '17-'18 M8 Models
S&S Cycle
$395.95S&S Valve Spring Kit For 2017-2018 M8 Models This replacement valve spring kit by S&S includes springs, top collars, keepers, valve seal/bottom collar; for Harley-Davidson Milwaukee Eight models...$395.95 -
Drag Specialties - Top Motor Mount - Fits Harley '86-'94 Sportster XL Models
Drag Specialties
$69.91Drag Specialties Top Motor Mount Top Motor Mount for your Harley Sportster by Drag Specialties. Features: High-quality, chrome motor mount Bolts not included unless noted Fitment$69.91 -
Feuling - 12 Point Engine Fastener Kit - fits '18 Softail
$309.95Feuling 12 Point Engine Fastener Kit for 2018 Harley Softail Models This Primary/Transmission stainless steel kit includes primary, engine-to-transmission, derby cover, transmission clutch release...$309.95 -
S&S - 585CEZ Easy Start Chain-Drive Camchest Kit - fits '07-'17 Twin Cam, '06 Dyna
S&S Cycle
MSRP: $2,529.95$2,025.95S&S - 585CEZ Easy Start Chain-Drive Camchest Kit for Harley Twin Cam and Dynas The 585CEZ Easy Start Chain-Drive Camchest Kit by S&S will improve engine performance and upgrade your motorcycle...MSRP: $2,529.95$2,025.95 -
Gardner-Westcott - Rocker Box Cover Sets
Gardner-Westcott
$35.95 - $53.95Gardner-Westcott Rocker Box Cover Sets: Made in the USA '66-'81, '81-'84 Shovelhead requires drilling to 3/8 diameter hole All Sets are chrome plated except for the one polished option$35.95 - $53.95 -
On Sale
Feuling - Oil Pumps - fits '99-'06 Twin Cam (exc. '06 Dyna)
MSRP: $507.95Now: $499.99Was: $507.95Fueling Oil Pumps : 7075 billet aluminum with military spec hard anodized, blue printed and designed for the racer The 7075 alloy is 50% harder and stronger then 6061 aluminum and holds tighter...MSRP: $507.95Now: $499.99Was: $507.95 -
Feuling - Pushrods - fits '99-'15 Twin Cam
$199.99Fueling Pushrods increases stiffness and column rigidity maximizing valve-train stability, increased engine RPM horsepower and torque output. Maintain maximum valve lift Tapered 7/16 4130 chrome...$199.99 -
S&S - Billet Oil Pump Kit - fits '78-'84 Big Twin Models
S&S Cycle
$715.95The S&S Billet Oil Pump Kit: Kit includes oil pump, universal cover with top and bottom feeds, mounting bolts, supply and return gears, drive shaft with keys and snap rings, check ball and spring,...$715.95 -
Colony - 8144-34 Cadmium Stock Engine Case Bolt Kit fits '79-'84 FX/FL, '84-'95 FXST, '86-'95 FLST Models
Colony Machine
$63.72Colony - 8144-34 Cadmium Stock Engine Case Bolt Kit fits '79-'84 FX/FL, '84-'95 FXST, '86-'95 FLST Models Engine case kit includes all the necessary hardware to bolt together engine cases...$63.72 -
On Sale
Colony - Acorn Engine Case Bolt Kit - Chrome fits Harley FL, FX, FXD (see desc.)
Colony Machine
MSRP: $70.95Now: $66.99Was: $70.95Engine case kit includes all the necessary hardware to bolt together engine cases. Fits: FL 1979-1984 FX 1979-1984 FXST 1984-1995 FXD 1991-1995 FLT 1979-1995 FLST 1986-1995 FXR 1982-1994MSRP: $70.95Now: $66.99Was: $70.95 -
Colony - 8141-34 Cadmium Stock Engine Case Bolt Kit fits '70-'78 FL, '71-'78 FX Models
Colony Machine
$63.72Colony - 8141-34 Cadmium Stock Engine Case Bolt Kit fits '70-'78 FL, '71-'78 FX Models Engine case kit includes all the necessary hardware to bolt together engine cases. Fitment: FX 1971-1978$63.72 -
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 - 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
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 -
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
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.