Engine
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Out of stock
Cometic - C10275 - Complete Engine/Primary Gasket Kit
Cometic
$340.15Cometic - C10275 - Complete Engine/Primary Gasket KitFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationComplete kit includes motor gasket kit plus primary, derby and inspection cover gasketsMulti-layer steel...$340.15 -
Out of stock
Cometic - C10271 - Complete Engine/Primary Gasket Kit
Cometic
$340.15Cometic - C10271 - Complete Engine/Primary Gasket KitFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationComplete kit includes motor gasket kit plus primary, derby and inspection cover gasketsMulti-layer steel...$340.15 -
Out of stock
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 -
Out of stock
Cometic - C10223 - Top End Gasket Kit with 0.040" Head Gasket - M8
Cometic
$240.40Cometic - C10223 - Top End Gasket Kit with 0.040" Head Gasket - M8FeaturesHead gasket material allows heat to be drawn away from the combustion ring and dissipated evenly across the gasket surface to eliminate hot spots and gasket failureKit contains all...$240.40 -
Out of stock
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 - 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 -
Out of stock
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 -
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 - C10179 - Upper Rocker Box Gasket
Cometic
$13.60Cometic - C10179 - Upper Rocker Box 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): 25700372,25700372A,25700372BSpecsThickness...$13.60 -
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 - C10123-030 - Complete Gasket Kit - 3.937" - '06-'17 Dyna
Cometic
$287.65Cometic - C10123-030 - Complete Gasket Kit - 3.937" - '06-'17 DynaFeaturesEvery 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...$287.65 -
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 - 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 - 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 - C10085-040 - Head Gasket - Twin-Cooled/Air-Cooled - 4.060" x .040" - '14-'16 Twin Cam
Cometic
$59.80Cometic - C10085-040 - Head Gasket - Twin-Cooled/Air-Cooled - 4.060" 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 - 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 - C9186 - Complete Gasket Kit - 3.875" - '06-'17 Dyna
Cometic
$287.65Cometic - C9186 - Complete Gasket Kit - 3.875" - '06-'17 DynaFeaturesEvery 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...$287.65 -
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 - C9149 - Complete Gasket Kit - 3.875” - '06-'17 Dyna
Cometic
$209.95Cometic - C9149 - Complete Gasket Kit - 3.875” - '06-'17 DynaFeaturesEvery 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...$209.95 -
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
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 - 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 styleWith reduced valve train noise and increased...$425.95 -
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 styleWith reduced valve train noise and increased...$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 styleWith reduced valve train noise and increased...$425.95 -
Out of stock
Comp Cams - EVL-5005 - Xtreme Energy™ Cam
Comp Cams
$317.95Comp Cams - EVL-5005 - Xtreme Energy™ CamFeaturesNew cam lobe designs allow maximum performance for Evolution enginesGive great throttle response and mid-range with excellent high-rpm powerFast opening and closing gives better airflow with the lift and...$317.95 -
Out of stock
Cometic - C9910 - Head Gasket - 4.125" x .030" - '99-'13 Twin Cam
Cometic
$61.90Cometic - C9910 - Head Gasket - 4.125" x .030" - '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 material with a...$61.90 -
Out of stock
Cometic - C9770 - Top End Gasket - 3-3/4"
Cometic
$144.85Cometic - C9770 - Top End Gasket - 3-3/4"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 be drawn away from...$144.85 -
Out of stock
Cometic - C9768 - Top End Gasket - 3-13/16"
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 materialHead gasket material allows heat to be drawn away...$173.20 -
Out of stock
Cometic - C9771 - Top End Gasket - 3-3/4" - Big Twin
Cometic
$142.75Cometic - C9771 - Top End Gasket - 3-3/4" - Big TwinFeaturesEST (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...$142.75 -
Out of stock
Cometic - C9970 - Top End Gasket - 1200 XL
Cometic
$142.75Cometic - C9970 - Top End Gasket - 1200 XLFeaturesEST (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 - C9952 - Complete Gasket Kit - .040" - '04-'06 XL 1200
Cometic
$202.60Cometic - C9952 - Complete Gasket Kit - .040" - '04-'06 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
Cometic - C9750F - Complete Gasket Kit - 5 Speed - '84-'91 FLT/FXR
Cometic
$356.95Cometic - C9750F - Complete Gasket Kit - 5 Speed - '84-'91 FLT/FXRFeaturesEvery 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 - 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 become brittleCFM is a composite material with a steel...$61.90 -
Out of stock
Andrews - 214080 - Y Grind Cams - XL
Andrews
$633.95Andrews - 214080 - Y Grind Cams - XLFeaturesBiggest available four-cam set that does not require head work; however, some 82 engines may require spring spacingUses stock springs and provides great mid-range and upper-end powerUse with 9.0:1 to 10.0:1...$633.95 -
Out of stock
Andrews - 214110 - Cams - R5 Grind - XL
Andrews
$633.95Andrews - 214110 - Cams - R5 Grind - XLFeaturesBiggest available four-cam set that does not require head work; however, some 82 engines may require spring spacingUses stock springs and provides great mid-range and upper-end powerUse with 9.0:1 to 10.0:1...$633.95 -
Out of stock
Andrews - 212340 - Low-Compression Cam - #2 Grind - Shovelhead
Andrews
$251.95Andrews - 212340 - Low-Compression Cam - #2 Grind - ShovelheadFeaturesDesigned with a combination of shorter durations and higher lifts to offer the advantages of a broad torque output through the entire rpm rangeDesigned for hydraulics, but could be run...$251.95 -
Out of stock
Andrews - 212620 - Cam - C Grind - Shovelhead
Andrews
$251.95Andrews - 212620 - Cam - C Grind - ShovelheadFeaturesMore mid-range and top-end power for street and drag bikes. These cams work with solid or hydraulic lifters, and the idle remains unaffected up to 6,000 rpm with stock valve springsCams are computer...$251.95 -
Out of stock
Andrews - 212610 - Cam - C Grind - Shovelhead
Andrews
$251.95Andrews - 212610 - Cam - C Grind - ShovelheadFeaturesMore mid-range and top-end power for street and drag bikes. These cams work with solid or hydraulic lifters, and the idle remains unaffected up to 6,000 rpm with stock valve springsCams are computer...$251.95 -
Out of stock
Andrews - 212140 - Low-Compression Cam - #1 Grind - Shovelhead
Andrews
$251.95Andrews - 212140 - 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 entire rpm rangeDesigned for hydraulics, but could be run...$251.95
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.