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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Kpmi - 20-20057 - Black Diamond Exhaust Valve Hd Twin Cam 88" 99-04
Kibblewhite
$29.95Kpmi - 20-20057 - Black Diamond Exhaust Valve Hd Twin Cam 88" 99-04FeaturesAll KPMI Black Diamond® stainless steel valves are impregnated by a special German process to a depth of .002”, with a...$29.95 -
Harddrive - 347038 - Oil Pressure Gauge Fitting Set Chrome
HardDrive
$26.06Harddrive - 347038 - Oil Pressure Gauge Fitting Set Chrome Features Global Trade Item Number: 191361168499$26.06 -
Harddrive - PS170BNHD - Oil Filter Evo Blk W/Nut 170Bn Oe 63805-80A
HardDrive
MSRP: $12.95$11.66Harddrive - PS170BNHD - Oil Filter Evo Blk W/Nut 170Bn Oe 63805-80AFeaturesGlobal Trade Item Number: 191361260582Full Synthetic media filters not only catch and remove even the smallest particulates,...MSRP: $12.95$11.66 -
V-Twin - 31-1478 - FLT Engine Mount
V-Twin Mfg
MSRP: $113.46$98.90V-Twin - 31-1478 - FLT Engine MountDescriptionFLT engine mount. Fits:FLT 2017-UPAdditional Information OEM No.16300005MSRP: $113.46$98.90
V-Twin - 15-0949 - James Oil Pump Outer Cover
James Gaskets
$36.47V-Twin - 15-0949 - James Oil Pump Outer CoverDescriptionJames mylar gasket oil pump outer cover Fits:FX 1971-1980FL 1968-1980Additional Information$36.47
V-Twin - 15-0940 - James Oil Pump Body Gasket
James Gaskets
$29.79V-Twin - 15-0940 - James Oil Pump Body GasketDescriptionJames mylar gasket oil pump body Fits:FX 1971-1980FL 1968-1980Additional Information$29.79
V-Twin - 11-0611 - Steel Exhaust Valve
Sifton
$50.16V-Twin - 11-0611 - Steel Exhaust ValveDescriptionSifton steel exhaust valve Fits:UL 1937-1948 74" & 80"Additional Information$50.16
V-Twin - 11-0600 - Steel Intake Valve
Sifton
$48.61V-Twin - 11-0600 - Steel Intake ValveDescriptionSteel intake valve Fits:UL 1937-1948 74" & 80"Additional Information OE$48.61
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
Jagg Oil Coolers - 211-JLWN06 - Oil Hose Upgrade Kit - Black - 3'
Jagg Oil Coolers
$69.95Jagg Oil Coolers - 211-JLWN06 - Oil Hose Upgrade Kit - Black - 3'FeaturesSets your bike apart and gives your Jagg oil cooler a racy look with performance braided oil hoses straight from the...$69.95
Cometic - C9931 - Head Gasket - S&S Super Sidewinder Plus - +4.125" - .030"
Cometic
$61.90Cometic - C9931 - Head Gasket - S&S Super Sidewinder Plus - +4.125" - .030"FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not...$61.90
Wiseco - 3497X - Ring Set
Wiseco
$52.95Wiseco - 3497X - Ring SetFeaturesInclude rings for one piston onlyWiseco rings fit only Wiseco pistons.Specs$52.95
Kibblewhite - 20-20092 - Valve - Exhaust - 1.350" - Standard - 883XL
Kibblewhite
$37.55Kibblewhite - 20-20092 - Valve - Exhaust - 1.350" - Standard - 883XLFeaturesOne-piece stainless-steel, stellite-tipped valve is fortified by a special nitrided process with .002" depth and .0002"...$37.55
Feuling Parts - 9962 - Head Temperature Sensor - Fits 1999-2017 Twin Cam (EFI); repl. OEM #32446-99
Feuling
$29.95Feuling Parts - 9962 - Head Temperature Sensor Features Electronic engine management sensor found on the cylinder head Measures the temperature of the cylinder head Data is then sent to the ECU...$29.95
Fuel-Tool - MC200 - Replacement O-Ring
Fuel Tool
$7.95Fuel-Tool - MC200 - Replacement O-RingFeaturesEliminates the need for replacing expensive check valve and fuel line when only an O-ring is neededMade from long-lasting, high-quality Dupont®...$7.95
Drag Specialties - Paper Oil Filter with Spring fits '65-'82 FX/FL, '57-'78 Sportster Models (OEM #63835-87T, 63837-92T, 6383940-53)
Drag Specialties
$13.60Drag Specialties - Paper Oil Filter with Spring fits '65-'82 FX/FL, '57-'78 Sportster Models (OEM #63835-87T, 63837-92T, 6383940-53) Features: High-quality drop-in oil filter Fitment$13.60
Old-STF Cycles - Brass Pushrod Keeper Set for Big Twin and Sportster (see desc.)
Old-STF Cycle
$39.95Old-STF Cycles Brass Pushrod Keeper Set Features: Brass drilled pushrod keeper set adds a cool vintage look to your bike Made in the USA Fitment: (Choose Year and Model) Fits...$39.95
James Gaskets - Gasket Oil Seal Kit, Transmission Main Drive - fits '07-'17 Twin Cam & '06-Up Dyna Models (Repl. OEM #12074K)
James Gaskets
$26.95James Gaskets - Gasket Oil Seal Kit, Transmission Main Drive - fits '07-'17 Twin Cam & '06-Up Dyna Models (Repl. OEM #12074K) Features top-quality main drive gear shaft seals...$26.95
Drag Specialties - Isolator Front Motor Mount - Fits '91-'16 FXD
Drag Specialties
$204.53The Drag Specialties Insolator Motor Mounts are top quality. Easily replace using OEM hardware. These motor mounts meet or exceed OEM specifications. Sold Each$204.53
Colony - 9402-1 Chrome Allen Timing Plug fits '84-'99 FXST, '91-'99 FXD, '82-'94 FXR Models
Colony Machine
MSRP: $17.88$17.70Colony - 9402-1 Chrome Allen Timing Plug fits '84-'99 FXST, '91-'99 FXD, '82-'94 FXR Models Allen timing plug has a chrome finish. Fitment: FXST 1984-1999 FXD 1991-1999 FXR 1982-1994 FLST...MSRP: $17.88$17.70
V-twin Trimmed Cam Cover fits '04-Up XL Sportster - Gloss Black
V-Twin Mfg
$304.48V-twin Trimmed Cam Cover fits '04-Up XL Sportster - Gloss Black V-twin took all the work out of trimming down your Sportster Cam Cover, no more cutting and grinding all of the excess casting to get...$304.48
Rocker Lockers - Top End Noise Reduction Kit fits '07-'22 XL (except RH Sportster)
Rocker Lockers
$24.99Rocker Lockers - Top End Noise Reduction Kit fits '07-'22 XL (except RH Sportster) Want to get rid of that top end ticking noise in your motor? This is exactly what you're looking for! Rocker...$24.99
Wyatt Gatling - Brass Shovelhead Rocker Box Line Kit fits '79-'83 FLT, '71-'84 FX, '82-'83 FXR Models
Wyatt Gatling
$69.37Wyatt Gatling - Brass Shovelhead Rocker Box Line Kit fits '79-'83 FLT, '71-'84 FX, '82-'83 FXR Models Natural brass rocker box line kit includes "T" to oil the heads with 6mm brass tube and brass...$69.37
V-Twin - 15-0414 - Head Base Gasket Kit
James Gaskets
$51.16V-Twin - 15-0414 - Head Base Gasket KitDescriptionJames head base gasket kit with .045 gasket Fits:FXST 1984-1998FLT 1984-1998FXD 1991-1998FXR 1984-1994XL 1986-UP 1200FLST 1986-1998Additional...$51.16
Energy Suspension - Front Motor Mount fits '82-'94 FXR, '80-'08 FLH/FLHT Models
Energy Suspension
$119.95Energy Suspension - Front Motor Mount fits '82-'94 FXR, '80-'08 FLH/FLHT Models Is it time to update your Harley's motor mount? The all-new Energy Suspension HD FL/FX Front Motor Mount is just what...$119.95
Rocker Lockers - Top End Noise Reduction Kit fits '86-'06 Sportster Models
Rocker Lockers
$24.99Rocker Lockers - Top End Noise Reduction Kit fits '86-'06 Sportster 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
Feuling - Rocker Box Breather Kit fits '99-'17 Touring, Softail and Dyna Models
$199.95Feuling - Rocker Box Breather Kit fits '99-'17 Touring, Softail and Dyna Models The Fueling Rocker Box Breather Kit comes fully stocked and is crafted from top-of-the-line materials. It is an easy...$199.95
Old-STF Cycle - Brass Rocker Box Split Oil Line fits '66-'84 Shovelheads
Old-STF Cycle
$103.95Old-STF Cycle - Brass Rocker Box Split Oil Line Features: No hassle kit for Shovelheads 1966-84. Heavy 1/4" Brass oil lines are pre bent with all necessary fittings. These lines will eliminate...$103.95
V-Twin - 15-0492 - Panhead and Shovelhead Cam Cover Gasket Kit
Gary Bang
$25.84V-Twin - 15-0492 - Panhead and Shovelhead Cam Cover Gasket KitDescriptionPanhead gasket kit for cam cover, tappet base and distributor. Fits:FL 1948-1969Additional Information$25.84
V-Twin - 14-0580 - Left Side Engine Case Seal - Fits 1970-1984 Harley-Davidson FL, 1984-1998 FXST, 1982-1994 FXR, 1979-1998 FLT, 1971-1984 FX, 1991-1998 FXD, 1986-1998 FLST
V-Twin Mfg
$24.18Coated left side engine case seal Fits:FL 1970-1984FXST 1984-1998FXR 1982-1994FLT 1979-1998FX 1971-1984FXD 1991-1998FLST 1986-1998Additional Information$24.18
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
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 - 2076 - Inner Cam Bearings
Feuling
$32.95Feuling Parts - 2076 - Inner Cam BearingsFeaturesInner cam bearings are heavy-duty full-complement style designed to accept the higher loads and demands of performance enginesManufactured by Koyo®...$32.95
James Gasket - Pushrod Seal Set fits '79-'81 Shovelhead Models (O-Ring)
James Gaskets
$11.95James Gasket - Pushrod Seal Set fits '79-'81 Shovelhead Models (O-Ring) Features: Convenient and efficient way to sell the correct amount of seals or O-rings for a rebuild or cam change James...$11.95
S&S Cycle - Solid Lifter Conversion Kit fits '66-'84 Shovelhead Model
S&S Cycle
$175.95S&S Cycle - Solid Lifter Conversion Kit fits '66-'84 Shovelhead Model Features: Converts stock hydraulic lifters to adjustable solids Kit includes four nonadjustable steel pushrods, four...$175.95
Drag Specialties - Isolator Rear Motor Mount - Fits '99-'16 FXD
Drag Specialties
$211.95The Drag Specialties Motor Mounts are top quality. Easily replace using OEM hardware. These motor mounts meet or exceed OEM specifications. Sold Each$211.95
Feuling - 12-Point Rocker Cover Dress Up Fastener Kit fits '99-'17 Twin Cam Models
Feuling
$69.95Feuling - 12-Point Rocker Cover Dress Up Fastener Kit fits '99-'17 Twin Cam Models The tensile strength of this kit is rated at 170,000 psi (EU: 1172,11 MPa), meaning it exceeds OEM and grade 8n...$69.95
S&S Cycle - Steel Rotary Breather Gear fits '84-'99 Harley Models - Big Twin
S&S Cycle
$125.95S&S Cycle - Steel Rotary Breather Gear fits '84-'99 Harley Models - Big Twin Features: All-steel construction Welded-in screen$125.95
Cometic - Primary Gasket Kit fits '07-'16 Touring & H-D FL Trike Models
Cometic
$115.17Cometic - Primary Gasket Kit fits '07-'16 Touring & H-D FL Trike Models This kit features Cometic's proprietary AFM (Aluminum Foamette Material) gaskets. These gaskets have an aluminum core with a...$115.17
Kb Performance - KB909C.STD - Piston Kit - 3.875" Standard -10.5:1 CR - 96" to 103" Big Bore |103" Twin Cam
KB Performance
$322.95Kb Performance - KB909C.STD - Piston Kit - 3.875" Standard -10.5:1 CR - 96" to 103" Big Bore |103" Twin CamFeaturesOffset pin design for quiet operationEach kit contains two pistons, pins,...$322.95
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.