Engine
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Out of stock
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 -
Out of stock
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 -
Out of stock
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 -
Out of stock
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 -
Out of stock
Cometic - C10191 - Cylinder Head Gasket - 4.250"
Cometic
$61.90Cometic - C10191 - Cylinder Head Gasket - 4.250"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 -
Out of stock
Cometic - C10177-010 - Cylinder Base Gasket - M8
Cometic
$33.55Cometic - C10177-010 - 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...$33.55 -
Out of stock
Cometic - C10169-030 - Cylinder Head Gasket - 4.220" - M8
Cometic
$61.90Cometic - C10169-030 - Cylinder Head Gasket - 4.220" - 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 - C9363 - Derby Cover Bolt Washer
Cometic
$5.20Cometic - C9363 - Derby Cover Bolt Washer Features High-quality products for long-term reliability Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle Made in the U.S.A. Replacement Part for OEM...$5.20 -
Out of stock
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.SpecsApplicationIntake Manifold to CarburetorUnitsEachRiding...$14.95 -
Out of stock
Cometic - C9695 - Head Gasket - 3.750" x .040" - '84-'99 EVO
Cometic
$61.90Cometic - C9695 - Head Gasket - 3.750" x .040" - '84-'99 EVOFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleCFM is a composite material with a steel...$61.90 -
Out of stock
Cometic - C9694 - Head Gasket - 3.750" x .030" - '84-'99 EVO
Cometic
$61.90Cometic - C9694 - Head Gasket - 3.750" x .030" - '84-'99 EVOFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleCFM is a composite material with a steel...$61.90 -
Out of stock
Cometic - C9282 - Lower Rocker Box Rubber Gasket
Cometic
$9.40Cometic - C9282 - Lower Rocker Box Rubber 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 Number(s): 1735592SpecsMounting PositionLowerProduct...$9.40 -
Out of stock
Cometic - C9194 - Top End Gasket Kit - 883
Cometic
$229.90Cometic - C9194 - Top End Gasket Kit - 883FeaturesEST (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 away...$229.90 -
Out of stock
Cometic - C9192 - Top End Gasket Kit - 883
Cometic
$229.90Cometic - C9192 - Top End Gasket Kit - 883FeaturesEST (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 away...$229.90 -
Out of stock
Cometic - C10121-036 - Complete Gasket Kit - Big Twin
Cometic
$169.00Cometic - C10121-036 - Complete Gasket Kit - Big TwinFeaturesEvery 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...$169.00 -
Out of stock
Cometic - C10121 - Complete Gasket Kit - Big Twin
Cometic
$169.00Cometic - C10121 - Complete Gasket Kit - Big TwinFeaturesEvery 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 -
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 materialHead gasket material allows heat to be drawn away...$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 become brittleMade in the USASpecsThickness Metric0.81...$3.10 -
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 materialHead gasket material allows heat to be drawn away...$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 materials that will not creep, crack or become brittleCFM is a...$59.80 -
Out of stock
Cometic - C10088-030 - Head Gasket - Twin-Cooled/Air-Cooled - 4.250" x .030" - '14-'16 Twin Cam
Cometic
$59.80Cometic - C10088-030 - Head Gasket - Twin-Cooled/Air-Cooled - 4.250" x .030" - '14-'16 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleCFM is a...$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 materials that will not creep, crack or become brittleCFM is a...$59.80 -
Out of stock
Cometic - C10084-040 - Head Gasket - Twin-Cooled/Air-Cooled - 4.000" x .040" - '14-'16 Twin Cam
Cometic
$59.80Cometic - C10084-040 - Head Gasket - Twin-Cooled/Air-Cooled - 4.000" x .040" - '14-'16 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleCFM is a...$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 materialHead gasket material allows heat to be drawn away from...$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 rubber materialHead gasket material allows heat to be drawn...$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 brittleMade in the USAReplacement Part for OEM Number(s):...$23.05 -
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 (MLS) head gasketsSteel Viton®-coated base gasketsBlue...$209.95 -
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 Number(s): 1735389BSpecsMounting...$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 needed when servicing both rocker boxesMade in the U.S.A...$65.05 -
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 become brittleCFM is a composite material with a steel...$90.25 -
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 Viton®-coated base gasketsBlue Viton valve stem...$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 will not creep, crack or become brittleCFM is a composite...$90.25 -
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 Viton®-coated base gasketsBlue Viton valve stem...$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 Base Color Black Mounting Position Front Type Engine Product...$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.SpecsRiding StyleStreetProduct NameTappetBase...$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.SpecsColor/FinishBlack OxideRiding StyleStreetBase...$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% tested for proper functionBlack oxide finishMade in the...$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% tested for proper functionBlack oxide finishMade in the...$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 steelMade in the U.S.A.SpecsApplicationIntakeExhaust Open...$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 benefits over conventional cylindrical valve...$199.95
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.