Engine
8416 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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Cometic - C10167 - Cylinder Head Gasket - 4.145" - M8
Cometic
$64.95Cometic - C10167 - Cylinder Head Gasket - 4.145" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even torque...$64.95 -
Cometic - C10166-HB-030 - Cylinder Head/Base Gasket - M8
Cometic
$85.95Cometic - C10166-HB-030 - Cylinder Head/Base Gasket - M8FeaturesKit features Multi-Layer Steel (MLS) gaskets and two outer Viton®-coated embossed spring steel layers with an inner steel layer to...$85.95 -
Cometic - C10166-030 - Cylinder Head Gasket - 4.075" - M8
Cometic
$64.95Cometic - C10166-030 - Cylinder Head Gasket - 4.075" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even...$64.95 -
Cometic - C10166 - Cylinder Head Gasket - 4.095" - M8
Cometic
$64.95Cometic - C10166 - Cylinder Head Gasket - 4.095" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even torque...$64.95 -
Cometic - C10164-HB-030 - Cylinder Head/Base Gasket - M8
Cometic
$85.95Cometic - C10164-HB-030 - Cylinder Head/Base Gasket - M8FeaturesKit features Multi-Layer Steel (MLS) gaskets and two outer Viton®-coated embossed spring steel layers with an inner steel layer to...$85.95 -
Cometic - C10165-030 - Cylinder Head Gasket - 4.000" - M8
Cometic
$64.95Cometic - C10165-030 - Cylinder Head Gasket - 4.000" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even...$64.95 -
Cometic - C10157-030 - Complete Gasket Kit - 0.030" - 110" Air Cooled Engine - 4.030" I.D. - '07-'16 CVO
Cometic
$309.95Cometic - C10157-030 - Complete Gasket Kit - 0.030" - 110" Air Cooled Engine - 4.030" I.D. - '07-'16 CVOFeaturesEvery gasket in the kit uses the best materials possible for its intended...$309.95 -
Cometic - C10164-030 - Cylinder Head Gasket - 3.937" - M8
Cometic
$64.95Cometic - C10164-030 - Cylinder Head Gasket - 3.937" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even...$64.95 -
Cometic - C10157 - Complete Gasket Kit - 0.040" - 110" Air Cooled Engine - 4.030" I.D. - '07-'16 CVO
Cometic
$309.95Cometic - C10157 - Complete Gasket Kit - 0.040" - 110" Air Cooled Engine - 4.030" I.D. - '07-'16 CVOFeaturesEvery gasket in the kit uses the best materials possible for its intended...$309.95 -
Cometic - C10150 - Rocker Box Gasket Kit - Fits 2000-2006 XB9/XB12
Cometic
$68.95Cometic - C10150 - Rocker Box Gasket KitFeaturesPremium materials used for specific applications to provide a long, service free lifeKits include all gaskets, seals, O-rings and quality bolt seals...$68.95 -
Cometic - C10146F5 - Cam Cover Gasket
Cometic
$86.95Cometic - C10146F5 - Cam Cover GasketFeaturesHigh-quality products for long-term reliabilityGaskets available in multiple types to best suit the intended applicationManufactured from premium...$86.95 -
Cometic - C10142 - Complete Gasket Kit - '02-'10 Buell
Cometic
$310.95Cometic - C10142 - Complete Gasket Kit - '02-'10 BuellFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel...$310.95 -
Cometic - C10133 - Push Rod Gasket Kit - XL
Cometic
$20.95Cometic - C10133 - Push Rod Gasket Kit - XLFeaturesO-rings are made of a high-temperature Viton® rubber to seal in even the harshest environmentsPackage includes seals and O-rings for one...$20.95 -
Cometic - C9949-030 - Top End Gasket Kit - Twin Cam
Cometic
$163.95Cometic - C9949-030 - Top End Gasket Kit - Twin CamFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary...$163.95 -
Cometic - C9949 - Top End Gasket Kit - Twin Cam
Cometic
$163.95Cometic - C9949 - Top End Gasket Kit - Twin CamFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber...$163.95 -
Cometic - C10138-030 - Top End Gasket Kit - Twin Cooled - .030" - Fits 2014-2016 Twin Cooled Twin Cam 4.00" bore Screamin' Eagle CVO 110" w/ 0.030" MLS head gaskets
Cometic
$196.95Cometic - C10138-030 - Top End Gasket Kit - Twin Cooled - .030"FeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a...$196.95 -
Cometic - C10139 - Coolant Tube O-Ring Set - Fits 2014-2016 Twin Cooled™ Twin Cam
Cometic
$32.95Cometic - C10139 - Coolant Tube O-Ring SetFeaturesContains all necessary O-rings and washers for cooling systemMust replace O-rings when removing cylinder head or servicing cooling systemMade in the...$32.95 -
Cometic - C9755F - Complete Gasket Kit - '91-'03 XL 883
Cometic
$257.20Cometic - C9755F - Complete Gasket Kit - '91-'03 XL 883FeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel...$257.20 -
Cometic - C10178-FP - Cam Change Gasket Kit - M8
Cometic
$64.95Cometic - C10178-FP - Cam Change Gasket Kit - M8FeaturesComponents made from premium materials for long life and correct fitmentIncludes all necessary gaskets, seals, O-rings and cork washers to do a...$64.95 -
Cometic - C10195 - Cylinder Base Gasket - M8
Cometic
$33.95Cometic - C10195 - Cylinder Base Gasket - M8FeaturesCenter or shim layer is uncoated stainless steel, which can be varied to accommodate multiple thickness requirementsOuter layers are embossed and...$33.95 -
Cometic - C10193-HB - Cylinder Head/Base Gasket - Liquid Cooled Heads - M8
Cometic
$85.95Cometic - C10193-HB - Cylinder Head/Base Gasket - Liquid Cooled Heads - M8FeaturesKit features Multi-Layer Steel (MLS) gaskets and two outer Viton®-coated embossed spring steel layers with an inner...$85.95 -
Cometic - C10193 - Cylinder Head Gasket - 4.500"
Cometic
$64.95Cometic - C10193 - Cylinder Head Gasket - 4.500"FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even torque load...$64.95 -
Cometic - C10192-HB - Cylinder Head/Base Gasket - Liquid Cooled Heads - M8
Cometic
$85.95Cometic - C10192-HB - Cylinder Head/Base Gasket - Liquid Cooled Heads - M8FeaturesKit features Multi-Layer Steel (MLS) gaskets and two outer Viton®-coated embossed spring steel layers with an inner...$85.95 -
Cometic - C10191-HB - Cylinder Head/Base Gasket - Liquid Cooled Heads - M8
Cometic
$81.85Cometic - C10191-HB - Cylinder Head/Base Gasket - Liquid Cooled Heads - M8FeaturesKit features Multi-Layer Steel (MLS) gaskets and two outer Viton®-coated embossed spring steel layers with an inner...$81.85 -
Cometic - C10181HB030014 - Cylinder Head/Base Gasket - Oil Cooled Heads - M8
Cometic
$78.70Cometic - C10181HB030014 - Cylinder Head/Base Gasket - Oil Cooled Heads - M8FeaturesKit features Multi-Layer Steel (MLS) gaskets and two outer Viton®-coated embossed spring steel layers with an inner...$78.70 -
Cometic - C10181HB030020 - Cylinder Head/Base Gasket - Oil Cooled Heads - M8
Cometic
$78.70Cometic - C10181HB030020 - Cylinder Head/Base Gasket - Oil Cooled Heads - M8FeaturesKit features Multi-Layer Steel (MLS) gaskets and two outer Viton®-coated embossed spring steel layers with an inner...$78.70 -
Cometic - C10182 - Cylinder Head Gasket - 4.320" - M8
Cometic
$64.95Cometic - C10182 - Cylinder Head Gasket - 4.320" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even torque...$64.95 -
Cometic - C10181-HB - Cylinder Head/Base Gasket - Oil Cooled Heads - M8
Cometic
$85.95Cometic - C10181-HB - Cylinder Head/Base Gasket - Oil Cooled Heads - M8FeaturesKit features Multi-Layer Steel (MLS) gaskets and two outer Viton®-coated embossed spring steel layers with an inner...$85.95 -
Cometic - C10181-030 - Cylinder Head Gasket - 4.250" - M8
Cometic
$64.95Cometic - C10181-030 - Cylinder Head Gasket - 4.250" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even...$64.95 -
Cometic - C10181 - Cylinder Head Gasket - 4.250" - M8
Cometic
$64.95Cometic - C10181 - Cylinder Head Gasket - 4.250" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even torque...$64.95 -
Cometic - C10177-020 - Cylinder Base Gasket - M8
Cometic
$34.95Cometic - C10177-020 - Cylinder Base Gasket - M8FeaturesCenter or shim layer is uncoated stainless steel, which can be varied to accommodate multiple thickness requirementsOuter layers are embossed...$34.95 -
Cometic - C10177 - Cylinder Base Gasket - M8
Cometic
$34.95Cometic - C10177 - Cylinder Base Gasket - M8FeaturesCenter or shim layer is uncoated stainless steel, which can be varied to accommodate multiple thickness requirementsOuter layers are embossed and...$34.95 -
Cometic - C10168-030 - Cylinder Head Gasket - 4.205" - M8
Cometic
$64.95Cometic - C10168-030 - Cylinder Head Gasket - 4.205" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even...$64.95 -
Cometic - C10174 - Piston Jet Gasket - M8
Cometic
$5.95Cometic - C10174 - Piston Jet Gasket - M8FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleAluminum...$5.95 -
Cometic - C10168 - Cylinder Head Gasket - 4.205" - M8
Cometic
$64.95Cometic - C10168 - Cylinder Head Gasket - 4.205" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even torque...$64.95 -
Cometic - C9131 - Intake Manifold Seal Kit - Evolution
Cometic
$14.95Cometic - C9131 - Intake Manifold Seal Kit - EvolutionFeaturesKit contains one carburetor to intake seal (27002-89) and two intake to cylinder head seals (26995-86B)Made in the U.S.A.Specs$14.95 -
Cometic - C9166 - Valve Stem Seal - Viton
Cometic
$6.95Cometic - C9166 - Valve Stem Seal - VitonFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become...$6.95 -
Cometic - C9623F - Cam Service Gasket Kit - Big Twin
Cometic
$26.95Cometic - C9623F - Cam Service Gasket Kit - Big TwinFeaturesComponents made from premium materials for long life and correct fitmentIncludes all necessary gaskets, seals, O-rings and cork washers to...$26.95 -
Cometic - C9693 - Head Gasket - 3.8125" x .040" - '84-'99 EVO
Cometic
$64.95Cometic - C9693 - Head Gasket - 3.8125" x .040" - '84-'99 EVOFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or...$64.95 -
Cometic - C9692 - Head Gasket - 3.8125" x .030" - '84-'99 EVO
Cometic
$64.95Cometic - C9692 - Head Gasket - 3.8125" x .030" - '84-'99 EVOFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or...$64.95
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.