Engine
2332 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
Cometic - C9158 - Head Gasket - Standard - 3.750" x .060" - 88"/96" - '99-'13 Twin Cam
Cometic
$90.25Cometic - C9158 - Head Gasket - Standard - 3.750" x .060" - 88"/96" - '99-'13 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that...$90.25 -
Cometic - C9146 - Top End Gasket - Twin Cam
Cometic
$150.10Cometic - C9146 - Top End Gasket - Twin CamFeaturesEST (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 - C9850 - Top End Gasket - Standard - .030" - Fits 1992-1999 Evolution Big Twin, std. bore 0.030" head gaskets
Cometic
$142.75Cometic - C9850 - Top End Gasket - Standard - .030"FeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary...$142.75 -
Out of stock
Cometic - C9851 - Top End Gasket - Standard - .030" - Fits 1984-1991 Evolution Big Twin, std. bore, 0.030" head gaskets
Cometic
$142.75Cometic - C9851 - Top End Gasket - Standard - .030"FeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary...$142.75 -
Out of stock
Cometic - C9892 - Motor Gasket Kit - 1550
Cometic
$169.00Cometic - C9892 - Motor Gasket Kit - 1550FeaturesEvery gasket in these kits uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel Viton®-coated base...$169.00 -
Out of stock
Cometic - C9920 - Complete Gasket Kit - 95" Big Bore - .040" - '99-'06 Big Twin
Cometic
$209.95Cometic - C9920 - Complete Gasket Kit - 95" Big Bore - .040" - '99-'06 Big TwinFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS)...$209.95 -
Out of stock
Cometic - C9847F - Complete Gasket Kit - .030" - 4/5 Speed - '84-'88 Big Twin
Cometic
$356.95Cometic - C9847F - Complete Gasket Kit - .030" - 4/5 Speed - '84-'88 Big TwinFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head...$356.95 -
Out of stock
Cometic - C9937 - Cylinder Base Gasket - 4" - .010" - Twin Cam
Cometic
$33.55Cometic - C9937 - Cylinder Base Gasket - 4" - .010" - Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or...$33.55 -
Out of stock
Cometic - C9101 - Cylinder Base Gasket - .010" - EVO
Cometic
$33.55Cometic - C9101 - Cylinder Base Gasket - .010" - EVOFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become...$33.55 -
Out of stock
Cometic - C9768 - Top End Gasket - 3-13/16" - Fits 1992-1999 Evolution Big Twin w/ 3 3/16 (" bore)
Cometic
$173.20Cometic - C9768 - Top End Gasket - 3-13/16"FeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber...$173.20 -
Out of stock
Cometic - C9951 - Top End Gasket -.045" - Fits 1999-2004 Twin Cam w/ 95" big bore kit and 0.045" head gaskets
Cometic
$150.10Cometic - C9951 - Top End Gasket -.045"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 - C9777F - Complete Gasket Kit - '99-'06 Softail and '99-'05 Dyna
Cometic
$287.65Cometic - C9777F - Complete Gasket Kit - '99-'06 Softail and '99-'05 DynaFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head...$287.65 -
Out of stock
Cometic - C9751F - Complete Gasket Kit - '89-'91 Softail/Dyna
Cometic
$356.95Cometic - C9751F - Complete Gasket Kit - '89-'91 Softail/DynaFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel...$356.95 -
Out of stock
Cometic - C9879 - Head Gasket - 4.000" x .036" - TP and S&S EVO
Cometic
$61.90Cometic - C9879 - Head Gasket - 4.000" x .036" - TP and S&S EVOFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or...$61.90 -
Out of stock
Cometic - C9878 - Head Gasket - 4.000" x .030" - TP and S&S EVO
Cometic
$61.90Cometic - C9878 - Head Gasket - 4.000" x .030" - TP and S&S EVOFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or...$61.90 -
Out of stock
Cometic - C9725 - Head Gasket - 4.000" x .030" - 110 - '99-'13 Twin Cam
Cometic
$61.90Cometic - C9725 - Head Gasket - 4.000" x .030" - 110 - '99-'13 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep,...$61.90 -
Out of stock
Cometic - C9865 - One Piece Rocker Base - Evo
Cometic
$22.00Cometic - C9865 - One Piece Rocker Base - EvoFeaturesViton gaskets feature a stainless steel core with a .001"-thick coating of Viton rubber on both sides.Made in the U.S.A.Specs$22.00 -
Out of stock
Andrews - 291146 - Cam - EV46 Grind - Evolution Big Twin
Andrews
$251.95Andrews - 291146 - Cam - EV46 Grind - Evolution Big TwinFeaturesMore mid-range and top-end power for street and drag bikes. These cams work with solid or hydraulic lifters, and the idle remains...$251.95 -
Out of stock
Andrews - 212150 - Low-Compression Cam - #1 Grind - Shovelhead
Andrews
$251.95Andrews - 212150 - Low-Compression Cam - #1 Grind - ShovelheadFeaturesDesigned with a combination of shorter durations and higher lifts to offer the advantages of a broad torque output through the...$251.95 -
Out of stock
Andrews - 291172 - Camshaft - EV72 - Evolution Big Twin
Andrews
$251.95Andrews - 291172 - Camshaft - EV72 - Evolution Big TwinFeaturesCapable of 6000+ rpm with stock springs and no valve floatFor use with Andrews springs and titanium collarsOK for use with hydraulic...$251.95 -
Out of stock
Andrews - 288160 - Cam Set - TW60 - Chain Drive - Twin Cam
Andrews
$415.95Andrews - 288160 - Cam Set - TW60 - Chain Drive - Twin CamFeaturesManufactured with the help of a computer with cam design capabilitiesMade from alloy steel billets and heat-treated processes are...$415.95 -
Out of stock
Andrews - 294150 - High-Lift Springs - Fits 1999-2004 Twin Cam and 1986-2003 XL Evolution; 1984-1999 Evolution Big Twin
Andrews
$65.95Andrews - 294150 - High-Lift SpringsFeaturesAccommodates cam lifts of .550"+Installation does not require machining of headsKit includes four inner and four outer springsFor use with titanium...$65.95 -
Out of stock
Andrews - 276150 - Medium-Lift Upper Spring Collar Set - Fits 1966-1984 Shovelhead
Andrews
$74.95Andrews - 276150 - Medium-Lift Upper Spring Collar SetFeaturesIntended to work with stock springs and add approximately .060" spring travel with no other modifications on 66-84 74" and 80" motorsThe...$74.95 -
Out of stock
Andrews - 291151 - Camshaft - EV51 - Evolution Big Twin
Andrews
$251.95Andrews - 291151 - Camshaft - EV51 - Evolution Big TwinFeaturesCapable of 6000+ rpm with stock springs and no valve floatEasy installationWorks with stock hydraulicsLong duration for modified street...$251.95 -
Out of stock
Andrews - 291138 - Cam - EV38 Grind - Evolution Big Twin
Andrews
$251.95Andrews - 291138 - Cam - EV38 Grind - Evolution Big TwinFeaturesMore mid-range and top-end power for street and drag bikes. These cams work with solid or hydraulic lifters, and the idle remains...$251.95 -
Out of stock
Andrews - 291159 - Camshaft - EV59 - Evolution Big Twin
Andrews
$251.95Andrews - 291159 - Camshaft - EV59 - Evolution Big TwinFeaturesCapable of 6000+ rpm with stock springs and no valve floatDesigned for modified 80" to 88" motorsVery broad powerband to 6000 rpmMade in...$251.95 -
Out of stock
Andrews - 292245 - EZ-Install Pushrods
Andrews
$305.95Andrews - 292245 - EZ-Install PushrodsFeaturesEZ-install pushrods eliminate the need to disassemble your rocker boxes or remove the gas tank when changing cams or doing maintenanceMade in the U.S.A...$305.95 -
Out of stock
Avon Grips - HBC-303-CH-SPK - Cover - Head Bolt - Spike - Chrome
Avon Grips
$68.95Avon Grips - HBC-303-CH-SPK - Cover - Head Bolt - Spike - ChromeFeaturesMatch Avon grips with these easy installation coversIncludes Schrader valve capSpecs$68.95 -
Out of stock10% OFF
Arlen Ness - 12-575 - Lifter Block Covers - 10 Gauge - Titanium
Arlen Ness
MSRP: $209.95Now: $188.96Was: $209.95Arlen Ness - 12-575 - Lifter Block Covers - 10 Gauge - TitaniumFeaturesMachined from 6061 T-6 billet aluminumChrome hardware includedSold in pairsSpecsMSRP: $209.95Now: $188.96Was: $209.95 -
Out of stock10% OFF
Arlen Ness - 18-262 - Rocker Box Covers - 10 Gauge - Chrome
Arlen Ness
MSRP: $699.95Now: $629.96Was: $699.95Arlen Ness - 18-262 - Rocker Box Covers - 10 Gauge - ChromeFeaturesCNC-machined from forged billet aluminumDrastically change the look of your engineReplace OEM top rocker box coversIncludes...MSRP: $699.95Now: $629.96Was: $699.95 -
Out of stock
Andrews - 240055 - Aluminum Pushrods - Big Twin
Andrews
$178.95Andrews - 240055 - Aluminum Pushrods - Big TwinFeaturesPushrods fit Shovel engines using stock diameter tubing so there is no cover tube interferenceFor stock stroke applicationsMade in the U.S.A...$178.95 -
Out of stock10% OFF
Arlen Ness - 03-636 - Pushrod Tube Cover Kit - 10 Gauge® - Black - M8
Arlen Ness
MSRP: $229.95Now: $206.96Was: $229.95Arlen Ness - 03-636 - Pushrod Tube Cover Kit - 10 Gauge® - Black - M8FeaturesMachined from 6061-T6 billet aluminumLower tubes allow easy access for adjustable pushrodsKit includes lower tubes, spring...MSRP: $229.95Now: $206.96Was: $229.95 -
Out of stock
Andrews - 293115 - Valve Spring Collars - Big Twin
Andrews
$89.95Andrews - 293115 - Valve Spring Collars - Big TwinFeaturesProvide .050" more spring travel than stockStronger and lighter than stockUse stock keepersMade in the U.S.A.Specs$89.95 -
Out of stock
Andrews - 216348 - Cam Set - 48H - Chain Drive - Twin Cam
Andrews
$415.95Andrews - 216348 - Cam Set - 48H - Chain Drive - Twin CamFeaturesBroad tip cams for baggers with stock motors; max torque at low and mid rpm rangesManufactured with the help of a computer with cam...$415.95 -
Out of stock
Andrews - 212539 - 7 Grind Camshaft - Fits L1977-1984 Shovelhead
Andrews
$251.95Andrews - 212539 - 7 Grind CamshaftFeaturesGreat street cam, especially for 84/88-inch strokers with maximum torque from 2,200 to 6,500 rpmUpgraded version of the original #6 grindSpecs$251.95 -
Out of stock
Andrews - 212353 - Camshaft - B2 Grind - Fits 70-E77 Shovelhead
Andrews
$251.95Andrews - 212353 - Camshaft - B2 GrindFeaturesMore mid-range and high-end power for street/strip with smooth idle; best cam for 74/80 inchers and small strokersSpring spacing required, and clearance...$251.95 -
Out of stock
Andrews - 212263 - A2 Grind Cam - Fits 70-E77 Shovelhead
Andrews
$251.95Andrews - 212263 - A2 Grind CamFeaturesCam bolts into 66-84 (except 80-81) Big Twin engines with no head work; on 80-81 engines the height of the stock H-D valve guides restricts spring travel (and...$251.95 -
Out of stock
Andrews - 216015 - Roller Conversion Sprocket
Andrews
$101.95Andrews - 216015 - Roller Conversion SprocketFeatures34 teeth with ignition trigger ringMust use with 99-01 engines with stock ignition02-06 engines can use stock rear cam drive sprocketTrigger ring...$101.95 -
Out of stock
Andrews - 216821 - Conversion Camshaft
Andrews
$415.95Andrews - 216821 - Conversion CamshaftFeaturesAllows upgrade of the '99-'06 Twin Cam (except '06 Dyna Glide) to the newer roller-style cam chains and replaces the spring tension cam chain adjusters...$415.95 -
Out of stock
Andrews - 216331 - Cam Set - 31H - Chain Drive - Twin Cam
Andrews
$415.95Andrews - 216331 - Cam Set - 31H - Chain Drive - Twin CamFeaturesManufactured with the help of a computer with cam design capabilitiesMade from alloy steel billets and heat-treated processes are...$415.95
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.