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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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 - 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
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
Colony - 1/2"-13 Standard Drain Plug Transmission/Motor Case/Oil Tank w/ Brass Gasket (OEM #62702-52, 707) - Chrome
Colony Machine
$9.95Colony - 1/2"-13 Standard Drain Plug Transmission/Motor Case/Oil Tank w/ Brass Gasket (OEM #62702-52, 707) - Chrome Features: Made in the USA$9.95 -
Out of stock
Cometic - Primary Gasket Kit fits '94-'06 Softail & '94-'05 Dyna Glide Models
Cometic
$124.80Cometic - Primary Gasket Kit fits '94-'06 Softail & '94-'05 Dyna Glide Models This kit features Cometic's proprietary AFM (Aluminum Foamette Material) gaskets. These gaskets have an aluminum core...$124.80 -
Out of stockOn Sale
Accel - Oil Pressure Switches fits '41-'83 Big Twin Models
Accel
MSRP: $43.56Now: $24.99Was: $46.95Accel - Oil Pressure Switches fits '41-'83 Big Twin Models Features: The Accel Oil Pressure Switches are reliable and will protect your motorcycle engine. Heavy duty contacts, brass ferrules and...MSRP: $43.56Now: $24.99Was: $46.95 -
Out of stockOn Sale
Colony - Cylinder Head Bolt Set - Chrome fits Harley FL, FX, and XL (see desc.)
Colony Machine
MSRP: $109.98Now: $107.99Was: $128.00Colony cylinder head bolt set with a chrome finish. Fits: FXST 1985-1991 XL 1986-1992 FLST 1986-1991 FLT 1985-1991 FXR 1985-1991 UOM: 8 - SETMSRP: $109.98Now: $107.99Was: $128.00 -
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
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 - C9844 - Top End Gasket - .030" - Fits 1999-2004 Twin Cam w/ 95" big bore kit and 0.030" head gaskets
Cometic
$150.10Cometic - C9844 - Top End Gasket - .030"FeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber...$150.10 -
Out of stock
Cometic - Primary Gasket Kit fits '06-'17 Dyna & '07-'17 Softail Models
Cometic
$121.75Cometic - 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...$121.75 -
Out of stock
Colony Machine - Rocker Cover Bolt Kit fits '99-'17 Twin Cam
Colony Machine
$24.95Colony Machine - Rocker Cover Bolt Kit fits '99-'17 Twin Cam The Colony Machine Rocker Cover Kit is a polished Allen Bolt Kit that is 100% manufactured in the U.S.A. Colony Machine is a choice brand...$24.95 -
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
V-Twin - 40-0831 - Oil Line Retainer Set - Fits 2003-2013 Harley-Davidson FXST
V-Twin Mfg
$74.75Oil line retainer set.Set of Five. Fits:FXST 2003-2013Additional Information UOM5 - SET Manufacturer$74.75 -
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
Cometic - Primary Gasket Kit fits '17-'24 M8 Touring Models
Cometic
$87.10Cometic - 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...$87.10 -
Out of stock
Cometic - C9313F1 - Sportster Cam Cover Gasket Sportster 1/Pk Oe#25263-90B
Cometic
$16.08Cometic - 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...$16.08 -
Out of stock
Cometic - C9553 - Base Gasket W/Embossments Evo Sportster 2/Pk Oe#16774-86D
Cometic
$31.55Cometic - C9553 - Base Gasket W/Embossments Evo Sportster 2/Pk Oe#16774-86DFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$31.55 -
Out of stock
V-Twin - 40-0748 - Transmission Mount Oil Filter - Fits 1974-1984 Harley-Davidson FL, 1971-1984 FX
V-Twin Mfg
$94.99This oil filter transmission mount type fits 4-speed models. Includes black bracket and chrome filter.Filter is specifically for use with late Big Twin swingarm frames with forward mounted master...$94.99 -
Out of stock
Drag Specialties - 07100284 - Drain Plug - Oversized - Piggyback
Drag Specialties
$11.61Drag Specialties - 07100284 - Drain Plug - Oversized - Piggyback Features Durable construction - designed and manufactured to strict specifications for reliable performance Ideal solution -...$11.61 -
Out of stock
Hastings - 6164030 - Piston Rings - 3.498" + 0.030" - Evolution Big Twin
Hastings
$37.85Hastings - 6164030 - Piston Rings - 3.498" + 0.030" - Evolution Big TwinFeaturesIncludes top compression rings, second compression rings, and oil control ringsTop Compression Rings are Barrel...$37.85 -
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
Jims - 1111 0.108" Camshaft Pinion Gauge Pins fits '90-'99 Big Twin Evolution Models
Jims
MSRP: $44.95$44.80Jims - 1111 0.108" Camshaft Pinion Gauge Pins fits '90-'99 Big Twin Evolution Models Features: Use to check pinion gear for pitch diameters Check service manual for sizing chartMSRP: $44.95$44.80 -
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
Drag Specialties - Lifter Cover Kit fits Harley Twin Cam Models
Drag Specialties
$95.35 - $113.37Drag Specialties - Lifter Cover Kit fits Harley Twin Cam Models This Lifter Cover kit is available in your choice of a black or chrome finish. Fitment 2004-2005 Harley-Davidson Low$95.35 - $113.37 -
Out of stock
Drag Specialties - Gloss Black Tappet Block Cover fits '17 & Up Harley M8 Models Repl. OEM #25700890
Drag Specialties
$115.49Drag Specialties - Gloss Black Tappet Block Cover fits '17 & Up Harley M8 Models Repl. OEM #25700890 Features Made from die-cast aluminum Includes gaskets and screws Fi$115.49 -
Out of stock
Colony - Head Bolt Set fits '99-'17 Twin Cam & '92-'22 Sportster Models (Except RH Sportster (OEM #16478-85A, 16480-92))
Colony Machine
$99.95Colony - Head Bolt Set fits '99-'17 Twin Cam & '92-'22 Sportster Models (Except RH Sportster (OEM #16478-85A, 16480-92)) Features: 12-point replacement headbolts Made in the U.S.A.$99.95 -
Out of stock
V-Twin - 40-0830 - Oil Line Retainer Set - Fits 2000-2013 Harley-Davidson FXST, FLST
V-Twin Mfg
$37.92Oil line retainer set.Sold as a set of two. Includes oil line to engine and oil line to tank retainer. Fits:FXST 2000-2013FLST 2000-2013Additional Information$37.92 -
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 - 31-4009 - Cam Bearing - Big Twin
S&S Cycle
$17.95S&S Cycle - 31-4009 - Cam Bearing - Big Twin Features Superior quality OE replacement bearings Made in the U.S.A. Specs$17.95 -
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
$13.60Cometic - 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...$13.60 -
Out of stock
Cometic - C9130 - Gasket Kit - EVO/Big Twin
Cometic
$110.20Cometic - C9130 - Gasket Kit - EVO/Big TwinFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber...$110.20 -
Out of stock
S&S Cycle - Stock Heads Intake Manifold O-Ring fits '84-'16 Big Twin, '86-'16 Sportster Models (OEM #26992-99, 26995-86A)
S&S Cycle
$10.95S&S Cycle - Stock Heads Intake Manifold O-Ring fits '84-'16 Big Twin, '86-'16 Sportster Models (OEM #26992-99, 26995-86A) Features: Sold Each Made from the highest-quality materials available$10.95 -
Out of stockOn Sale
Colony - Cam Cover Allen Screws fits Harley FL, FX (see desc.) - Chrome
Colony Machine
MSRP: $19.26Now: $16.99Was: $19.06Colony Cam cover allen screws. Fits:FL 1970-1984FX 1971-1984FXST 1984-1992FLT 1984-1992FXR 1984-1992FLST 1986-1992 UOM: 7 - SETMSRP: $19.26Now: $16.99Was: $19.06
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.