Engine
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Cometic - C10256 - Motor Gasket Kit - M8
Cometic
$267.70Cometic - C10256 - Motor Gasket Kit - M8FeaturesEvery gasket in these kit uses the best materials possible for its intended applicationMade in the USASpecsRiding StyleStreetThickness Imperial0,040''Thickness Metric1.02 mmUnitsKitTypeMotorProduct...$267.70 -
Cometic - C10250 - Motor Gasket Kit - M8
Cometic
$267.70Cometic - C10250 - Motor Gasket Kit - M8FeaturesEvery gasket in these kit uses the best materials possible for its intended applicationMade in the USASpecsBore Size Imperial3.937''Riding StyleStreetThickness Imperial0,040''MaterialMLS (Multi-layer...$267.70 -
Cometic - C10242 - Base Gasket - Gen-2 Embossing - M8
Cometic
$33.55Cometic - C10242 - Base Gasket - Gen-2 Embossing - M8FeaturesCenter or shim layer is uncoated stainless steel, which can be varied to accommodate multiple thickness requirementsOuter layers are embossed and coated on both sides with Viton to meet the...$33.55 -
Cometic - C10167-HB-030 - Cylinder Head/Base Gasket - M8
Cometic
$81.85Cometic - C10167-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 provide additional supportMade in the USAReplacement Part...$81.85 -
Out of stock
Cometic - C10167-036 - Cylinder Head Gasket - 4.145" - M8
Cometic
$61.90Cometic - C10167-036 - Cylinder Head Gasket - 4.145" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even torque load across the gasket sealing surface utilizing LCE...$61.90 -
Cometic - C10167-030 - Cylinder Head Gasket - 4.145" - M8
Cometic
$61.90Cometic - C10167-030 - Cylinder Head Gasket - 4.145" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even torque load across the gasket sealing surface utilizing LCE...$61.90 -
Cometic - C10167 - Cylinder Head Gasket - 4.145" - M8
Cometic
$61.90Cometic - C10167 - Cylinder Head Gasket - 4.145" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even torque load across the gasket sealing surface utilizing LCE...$61.90 -
Cometic - C10166-HB-030 - Cylinder Head/Base Gasket - M8
Cometic
$81.85Cometic - 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 provide additional supportMade in the USAReplacement Part...$81.85 -
Cometic - C10166-030 - Cylinder Head Gasket - 4.075" - M8
Cometic
$61.90Cometic - C10166-030 - Cylinder Head Gasket - 4.075" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even torque load across the gasket sealing surface utilizing LCE...$61.90 -
Cometic - C10166 - Cylinder Head Gasket - 4.095" - M8
Cometic
$61.90Cometic - C10166 - Cylinder Head Gasket - 4.095" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even torque load across the gasket sealing surface utilizing LCE...$61.90 -
Cometic - C10164-HB-030 - Cylinder Head/Base Gasket - M8
Cometic
$81.85Cometic - 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 provide additional supportMade in the USAReplacement Part...$81.85 -
Cometic - C10165-030 - Cylinder Head Gasket - 4.000" - M8
Cometic
$61.90Cometic - C10165-030 - Cylinder Head Gasket - 4.000" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even torque load across the gasket sealing surface utilizing LCE...$61.90 -
Cometic - C10164 - Cylinder Head Gasket - 3.937" - M8
Cometic
$61.90Cometic - C10164 - Cylinder Head Gasket - 3.937" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even torque load across the gasket sealing surface utilizing LCE...$61.90 -
Out of stock
Cometic - C10164-030 - Cylinder Head Gasket - 3.937" - M8
Cometic
$61.90Cometic - C10164-030 - Cylinder Head Gasket - 3.937" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even torque load across the gasket sealing surface utilizing LCE...$61.90 -
Cometic - C10157 - Complete Gasket Kit - 0.040" - 110" Air Cooled Engine - 4.030" I.D. - '07-'16 CVO
Cometic
$287.65Cometic - 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 applicationMulti-Layer Steel (MLS) head gasketsSteel Viton®-coated base...$287.65 -
Cometic - C10150 - Rocker Box Gasket Kit
Cometic
$65.05Cometic - 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 needed when servicing both rocker boxesMade in the U.S.A...$65.05 -
Cometic - C10146F5 - Cam Cover Gasket
Cometic
$82.90Cometic - C10146F5 - Cam Cover GasketFeaturesHigh-quality products for long-term reliabilityGaskets available in multiple types to best suit the intended applicationManufactured from premium fuel-resistant materials that will not creep, crack or become...$82.90 -
Cometic - C10146F1 - Cam Cover Gasket
Cometic
$17.80Cometic - C10146F1 - Cam Cover GasketFeaturesHigh-quality products for long-term reliabilityGaskets available in multiple types to best suit the intended applicationManufactured from premium fuel-resistant materials that will not creep, crack or become...$17.80 -
Cometic - C10142 - Complete Gasket Kit - '02-'10 Buell
Cometic
$288.70Cometic - 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 Viton®-coated base gasketsBlue Viton valve stem sealsAluminum...$288.70 -
Cometic - C10128-040 - Complete Gasket Kit - 110"
Cometic
$169.00Cometic - C10128-040 - Complete Gasket Kit - 110"FeaturesEvery gasket in these kits uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel Viton®-coated base gasketsBlue Viton valve stem sealsAluminum Foam...$169.00 -
Cometic - C10133 - Push Rod Gasket Kit - XL
Cometic
$19.90Cometic - 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 applicationMade in the U.S.A.SpecsRiding StyleStreetProduct...$19.90 -
Cometic - C10128 - Complete Gasket Kit - 110"
Cometic
$169.00Cometic - C10128 - Complete Gasket Kit - 110"FeaturesEvery gasket in these kits uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel Viton®-coated base gasketsBlue Viton valve stem sealsAluminum Foam...$169.00 -
Cometic - C9949 - Top End Gasket Kit - Twin Cam
Cometic
$153.25Cometic - 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 materialHead gasket material allows heat to be drawn...$153.25 -
Cometic - C10127 - Cylinder Base Gasket O-Ring Kit - 110" - Twin Cam
Cometic
$10.95Cometic - C10127 - Cylinder Base Gasket O-Ring Kit - 110" - Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleViton® gasket features a stainless...$10.95 -
Cometic - C10138 - Top End Gasket Kit - Twin Cooled - .040"
Cometic
$183.70Cometic - C10138 - Top End Gasket Kit - Twin Cooled - .040"FeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber materialHead gasket material allows heat to...$183.70 -
Cometic - C10138-030 - Top End Gasket Kit - Twin Cooled - .030"
Cometic
$183.70Cometic - 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 proprietary rubber materialHead gasket material allows heat...$183.70 -
Cometic - C10139 - Coolant Tube O-Ring Set
Cometic
$31.45Cometic - 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 U.S.A.SpecsUnitsKitApplicationCoolant TubeRiding...$31.45 -
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 Viton®-coated base gasketsBlue Viton valve stem sealsAluminum...$257.20 -
Cometic - C10178-FP - Cam Change Gasket Kit - M8
Cometic
$60.85Cometic - 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 cam changeMade in the USAReplacement Part for OEM...$60.85 -
Cometic - C9647F1 - Oil Pan Gasket - FLT
Cometic
$13.95Cometic - C9647F1 - Oil Pan Gasket - FLTFeaturesAluminum Foamette Material gaskets feature an aluminum core and a chemically blown, compounded nitrile synthetic rubber coating that is bonded to the outside layer; do not require gasket sealerMade in the...$13.95 -
Cometic - C10214 - Transmission/Engine Gasket - M8
Cometic
$12.95Cometic - C10214 - Transmission/Engine Gasket - M8FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMade in the USAReplacement Part for OEM Number(s):...$12.95 -
Cometic - C10215 - Oil Pan Gasket - Touring
Cometic
$22.00Cometic - C10215 - Oil Pan Gasket - TouringFeaturesAluminum Foamette Material gaskets feature an aluminum core and a chemically blown, compounded nitrile synthetic rubber coating that is bonded to the outside layer; do not require gasket sealerMade in...$22.00 -
Cometic - C10197 - Oil Pan Rebuild Gasket Kit - M8 - Touring
Cometic
$102.85Cometic - C10197 - Oil Pan Rebuild Gasket Kit - M8 - TouringFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMade in the USASpecsProduct NameGasket...$102.85 -
Cometic - C10195 - Cylinder Base Gasket - M8
Cometic
$33.55Cometic - 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 coated on both sides with Viton to meet the demands of a...$33.55 -
Cometic - C10193-HB - Cylinder Head/Base Gasket - Liquid Cooled Heads - M8
Cometic
$81.85Cometic - 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 steel layer to provide additional supportMade in the...$81.85 -
Cometic - C10193 - Cylinder Head Gasket - 4.500"
Cometic
$61.90Cometic - 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 across the gasket sealing surface utilizing LCE (Load...$61.90 -
Cometic - C10194 - Cylinder Base Gasket - M8
Cometic
$33.55Cometic - C10194 - Cylinder Base Gasket - M8FeaturesCenter or shim layer is uncoated stainless steel, which can be varied to accommodate multiple thickness requirementsOuter layers are embossed and coated on both sides with Viton to meet the demands of a...$33.55 -
Cometic - C10192-HB - Cylinder Head/Base Gasket - Liquid Cooled Heads - M8
Cometic
$81.85Cometic - 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 steel layer to provide additional supportMade in the...$81.85 -
Cometic - C10192 - Cylinder Head Gasket - 4.320" - M8
Cometic
$61.90Cometic - C10192 - Cylinder Head Gasket - 4.320" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even torque load across the gasket sealing surface utilizing LCE...$61.90 -
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 steel layer to provide additional supportMade in the...$81.85
Harley Engine
At Deadbeat Customs, we offer a wide selection of Harley engine parts built for performance, reliability, and long-lasting power. Whether you're rebuilding a vintage motor or upgrading a modern setup, we’ve got the top-end and bottom-end components you need to get the job done right.
We carry engine parts for a wide range of Harley Davidson models, including Dyna, Sportster, FXR, Touring, Softail, Shovelhead, and Panhead. From the classic Evo 1340 and Shovelhead to Twin Cam 88/96/103/110, and the modern Milwaukee-Eight 107/114/117, our catalog covers nearly every era of Harley engine design.
Choose from trusted brands like S&S Cycle, Fueling, Vance & Hines, and more—known for producing high-quality components that meet or exceed OEM standards.
Explore our full collection of Harley engine parts today and build your motor with confidence—because whether it’s vintage or modern, your Harley deserves the best from the inside out.