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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Out of stock
Cometic - C10115 - Top End Gasket Kit - Buell
Cometic
$142.75Cometic - C10115 - Top End Gasket Kit - BuellFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber...$142.75 -
Out of stock
Cometic - C10114 - Breather Filter Element Gasket - Twin Cam
Cometic
$3.10Cometic - C10114 - Breather Filter Element Gasket - Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or...$3.10 -
Out of stock
Cometic - C10113 - Complete Gasket Kit - 4.060" - '06-'17 Dyna
Cometic
$209.95Cometic - C10113 - Complete Gasket Kit - 4.060" - '06-'17 DynaFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel...$209.95 -
Out of stock
Cometic - C10111 - Top End Gasket Kit - Buell
Cometic
$142.75Cometic - C10111 - Top End Gasket Kit - BuellFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber...$142.75 -
Out of stock
Cometic - C10088-040 - Head Gasket - Twin-Cooled/Air-Cooled - 4.250" x .040" - '14-'16 Twin Cam
Cometic
$59.80Cometic - C10088-040 - Head Gasket - Twin-Cooled/Air-Cooled - 4.250" x .040" - '14-'16 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant...$59.80 -
Out of stock
Cometic - C10087-030 - Head Gasket - Twin-Cooled/Air-Cooled - 4.160" x .030" - '14-'16 Twin Cam
Cometic
$59.80Cometic - C10087-030 - Head Gasket - Twin-Cooled/Air-Cooled - 4.160" x .030" - '14-'16 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant...$59.80 -
Out of stock
Cometic - C10086-030 - Head Gasket - Twin-Cooled/Air-Cooled - 4.125" x .030" - '14-'16 Twin Cam
Cometic
$59.80Cometic - C10086-030 - Head Gasket - Twin-Cooled/Air-Cooled - 4.125" x .030" - '14-'16 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant...$59.80 -
Out of stock
Cometic - C10081-030 - Head Gasket - Twin-Cooled/Air-Cooled - 3.875" x .030" - '14-'16 Twin Cam
Cometic
$59.80Cometic - C10081-030 - Head Gasket - Twin-Cooled/Air-Cooled - 3.875" x .030" - '14-'16 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant...$59.80 -
Out of stock
Cometic - C9219 - Top End Gasket - XL1200
Cometic
$142.75Cometic - C9219 - Top End Gasket - XL1200FeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber...$142.75 -
Out of stock
Cometic - C9976-030 - Top End Gasket Twin Cam - EST
Cometic
$150.10Cometic - C9976-030 - Top End Gasket Twin Cam - ESTFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary...$150.10 -
Out of stock
Cometic - C9190F5 - Transmission/Engine Case Gasket
Cometic
$23.05Cometic - C9190F5 - Transmission/Engine Case GasketFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become...$23.05 -
Out of stock
Cometic - C9221-030 - Complete Gasket Kit - 0.030" - '99-'06 FXST/?FLST and '99-'05 Dyna
Cometic
$209.95Cometic - C9221-030 - Complete Gasket Kit - 0.030" - '99-'06 FXST/?FLST and '99-'05 DynaFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel...$209.95 -
Out of stock
Cometic - C9976 - Top End Gasket - Twin Cam - 4-1/8"
Cometic
$150.10Cometic - C9976 - Top End Gasket - Twin Cam - 4-1/8"FeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary...$150.10 -
Out of stock
Cometic - C9221 - Complete Gasket Kit - 0.040" - '99-'06 FXST/?FLST and '99-'05 Dyna
Cometic
$209.95Cometic - C9221 - Complete Gasket Kit - 0.040" - '99-'06 FXST/?FLST and '99-'05 DynaFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel...$209.95 -
Out of stock
Cometic - C9205 - Head Gasket - Standard - .040" - '86-'07 XL 883
Cometic
$61.90Cometic - C9205 - Head Gasket - Standard - .040" - '86-'07 XL 883FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack...$61.90 -
Out of stock
Cometic - C9208 - Outer Rocker Gasket
Cometic
$22.00Cometic - C9208 - Outer Rocker GasketFeaturesViton gaskets feature a stainless steel core with a .001"-thick coating of Viton rubber on both sides.Made in the U.S.A.Replacement Part for OEM...$22.00 -
Out of stock
Cometic - C9197 - Inner Rocker Gasket
Cometic
$5.20Cometic - C9197 - Inner Rocker GasketFeaturesViton gaskets feature a stainless steel core with a .001"-thick coating of Viton rubber on both sides.Made in the U.S.A.Replacement Part for OEM...$5.20 -
Out of stock
Cometic - C9196 - Outer Rocker Gasket
Cometic
$22.00Cometic - C9196 - Outer Rocker GasketFeaturesViton gaskets feature a stainless steel core with a .001"-thick coating of Viton rubber on both sides.Made in the U.S.A.Replacement Part for OEM...$22.00 -
Out of stock
Cometic - C9195 - Rocker Box Kit - XL
Cometic
$65.05Cometic - C9195 - Rocker Box Kit - XLFeaturesPremium materials used for specific applications to provide a long, service free lifeKits include all gaskets, seals, O-rings and quality bolt seals...$65.05 -
Out of stock
Cometic - C9190 - Transmission/Engine Case Gasket
Cometic
$25.15Cometic - C9190 - Transmission/Engine Case GasketFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become...$25.15 -
Out of stock
Cometic - C9180 - Head Gasket - Standard - .060" - '84-'99 EVO
Cometic
$90.25Cometic - C9180 - Head Gasket - Standard - .060" - '84-'99 EVOFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or...$90.25 -
Out of stock
Cometic - C9176 - Complete Gasket Kit - '07-'22 XL 1200
Cometic
$288.70Cometic - C9176 - Complete Gasket Kit - '07-'22 XL 1200FeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel...$288.70 -
Out of stock
Cometic - C9168 - Oil Pump Rebuild Gasket - Fits 1992-1999 Evolution Big Twin
Cometic
$28.30Cometic - C9168 - Oil Pump Rebuild GasketFeaturesIncludes correct amount of gaskets, seal, O-rings, retaining rings and keys for one applicationMeets or exceeds OEM qualityPremium vulcanized rubber...$28.30 -
Out of stock
Cometic - C9164 - Complete Gasket Kit - 3-5/8" - '84-'91 Big Twin
Cometic
$356.95Cometic - C9164 - Complete Gasket Kit - 3-5/8" - '84-'91 Big TwinFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel...$356.95 -
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 -
Out of stock
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 - C9133 - Complete Gasket Kit - .040" - '91-'03 XL 1200
Cometic
$202.60Cometic - C9133 - Complete Gasket Kit - .040" - '91-'03 XL 1200FeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel...$202.60 -
Out of stock
Custom Cycle Engineering - DMM 2014-1E - Front Motor Mount - Dyna
Custom Cycle Engineering
$559.95Custom Cycle Engineering - DMM 2014-1E - Front Motor Mount - Dyna Features Motor mount system replaces the inadequate stock mounts Made in the U.S.A. Specs$559.95 -
Out of stock
Comp Cams - 7391-1 - Race Tappet - Evolution
Comp Cams
$104.95Comp Cams - 7391-1 - Race Tappet - EvolutionFeaturesRace/slow bleed upgrade design for high-performance useEach unit is 100% tested for proper functionBlack oxide finishMade in the U.S.A.Specs$104.95 -
Out of stock
Comp Cams - 7391-4 - Race Tappets - Evolution
Comp Cams
$412.95Comp Cams - 7391-4 - Race Tappets - EvolutionFeaturesRace/slow bleed upgrade design for high-performance useEach unit is 100% tested for proper functionBlack oxide finishMade in the U.S.A.Specs$412.95 -
Out of stock
Comp Cams - 7390-1 - Tappet - Evolution
Comp Cams
$81.95Comp Cams - 7390-1 - Tappet - EvolutionFeaturesForged design is stronger than commonly available cast or billet designsPerformance replacement for the stock hydraulic roller lifterEach unit is 100%...$81.95 -
Out of stock
Comp Cams - 7390-4 - Tappet - Evolution
Comp Cams
$326.95Comp Cams - 7390-4 - Tappet - EvolutionFeaturesForged design is stronger than commonly available cast or billet designsPerformance replacement for the stock hydraulic roller lifterEach unit is 100%...$326.95 -
Out of stock
Comp Cams - TC-3104 - Chain Drive Cam Set
Comp Cams
$370.95Comp Cams - TC-3104 - Chain Drive Cam SetFeaturesSophisticated "Endurance Ramp" lobe design makes great power, but is easy on the tappets and valve train for long lifeConstructed from 8620 billet...$370.95 -
Out of stock
Comp Cams - 9709-KIT - Spring Kit - .650" - Twin Cam
Comp Cams
$199.95Comp Cams - 9709-KIT - Spring Kit - .650" - Twin CamFeaturesBeehive™ Valve Spring Kits designed as drop-in performance valve train upgradesBeehive valve springs deliver a host of well-documented...$199.95 -
Out of stock
Comp Cams - 307-501-9 - Mega 8 Cam - M8
Comp Cams
$425.95Comp Cams - 307-501-9 - Mega 8 Cam - M8FeaturesDesigned with Comp Cams' industry-leading technology and trademark Endurance Ramps, the Mega 8 series of performance cams covers every bike and riding...$425.95 -
Out of stock
Comp Cams - 307-500-9 - Mega 8 Cam - M8
Comp Cams
$417.95Comp Cams - 307-500-9 - Mega 8 Cam - M8FeaturesDesigned with Comp Cams' industry-leading technology and trademark Endurance Ramps, the Mega 8 series of performance cams covers every bike and riding...$417.95 -
Out of stock
Comp Cams - 307-104-9 - Mega 8 Cam - M8
Comp Cams
$425.95Comp Cams - 307-104-9 - Mega 8 Cam - M8FeaturesDesigned with Comp Cams' industry-leading technology and trademark Endurance Ramps, the Mega 8 series of performance cams covers every bike and riding...$425.95 -
Out of stock
Comp Cams - 307-103-9 - Mega 8 Cam - M8
Comp Cams
$425.95Comp Cams - 307-103-9 - Mega 8 Cam - M8FeaturesDesigned with Comp Cams' industry-leading technology and trademark Endurance Ramps, the Mega 8 series of performance cams covers every bike and riding...$425.95 -
Out of stock
Comp Cams - 307-101-9 - Mega 8 Cam - M8
Comp Cams
$425.95Comp Cams - 307-101-9 - Mega 8 Cam - M8FeaturesDesigned with Comp Cams' industry-leading technology and trademark Endurance Ramps, the Mega 8 series of performance cams covers every bike and riding...$425.95 -
Out of stock
Comp Cams - TC-4102 - Thumper Cams
Comp Cams
$376.95Comp Cams - TC-4102 - Thumper CamsFeaturesConstructed from 8620 billet steelA larger throttle body is a plus"Endurance Ramp" lobe design makes great power but is easy on the tappets and valve train...$376.95
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.