Engine
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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Cometic - C9766 - Top End Gasket Kit - Big Bore - Big Twin - EST
Cometic
$142.75Cometic - C9766 - Top End Gasket Kit - Big Bore - Big Twin - ESTFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber materialHead gasket material allows...$142.75 -
Cometic - C9764 - Rocker Gasket - EST - XL
Cometic
$65.05Cometic - C9764 - Rocker Gasket - EST - 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...$65.05 -
Cometic - C9763 - Top End Gasket Kit - XL1200 - EST
Cometic
$142.75Cometic - C9763 - Top End Gasket Kit - XL1200 - 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...$142.75 -
Cometic - C9752 - Rocker Gasket - EST - Big Twin
Cometic
$65.05Cometic - C9752 - Rocker Gasket - EST - Big TwinFeaturesPremium 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...$65.05 -
Cometic - C9761 - Top End Gasket Kit - XL1100 - EST
Cometic
$142.75Cometic - C9761 - Top End Gasket Kit - XL1100 - 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...$142.75 -
Cometic - C9753 - Rocker Gasket - EST - Big Twin
Cometic
$65.05Cometic - C9753 - Rocker Gasket - EST - Big TwinFeaturesPremium 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...$65.05 -
Cometic - C9066 - Rocker Box Gasket - SLS - XL
Cometic
$47.20Cometic - C9066 - Rocker Box Gasket - SLS - 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...$47.20 -
Cometic - C9760 - Top End Gasket Kit - XL883 - EST
Cometic
$142.75Cometic - C9760 - Top End Gasket Kit - XL883 - 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...$142.75 -
Cometic - C9078 - Rocker Box Gasket
Cometic
$47.20Cometic - C9078 - Rocker Box GasketFeaturesPremium 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...$47.20 -
Cometic - C9553 - Cylinder Base Gasket - .020" - XL
Cometic
$33.55Cometic - C9553 - Cylinder Base Gasket - .020" - XLFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleViton® gasket features a stainless steel core with a ...$33.55 -
Cometic - C9029 - Cylinder Base Copper Gasket - .016" - EVO
Cometic
$28.30Cometic - C9029 - Cylinder Base Copper Gasket - .016" - EVOFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleViton® gasket features a stainless steel core...$28.30 -
Cometic - C9555 - Cylinder Base Gasket - 3.625" - .020" - XL
Cometic
$33.55Cometic - C9555 - Cylinder Base Gasket - 3.625" - .020" - XLFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleViton® gasket features a stainless steel...$33.55 -
Cometic - C9552 - Cylinder Base Gasket - 3.625" - .020" - EVO
Cometic
$33.55Cometic - C9552 - Cylinder Base Gasket - 3.625" - .020" - EVOFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleViton® gasket features a stainless steel...$33.55 -
Cometic - C9551 - Cylinder Base Gasket - 3.500" - .020" - EVO
Cometic
$33.55Cometic - C9551 - Cylinder Base Gasket - 3.500" - .020" - EVOFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleViton® gasket features a stainless steel...$33.55 -
Cometic - C9025 - Copper Base Gasket - XL
Cometic
$17.80Cometic - C9025 - Copper Base Gasket - XLFeaturesCenter 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...$17.80 -
Colony - 9213-4 - Pushrod Kit - Big Twin
Colony Machine
$38.95Colony - 9213-4 - Pushrod Kit - Big TwinFeaturesThese kits contain exact OEM duplicate parts for proper fitmentUpper cover kit contains chrome clips, chrome cups, springs, rubber seals and steel washers for four pushrod tubesLower cover kit contains four...$38.95 -
Colony - 9202-12 - Pushrod Kit - Big Twin
Colony Machine
$65.95Colony - 9202-12 - Pushrod Kit - Big TwinFeaturesThese kits contain exact OEM duplicate parts for proper fitmentUpper cover kit contains chrome clips, chrome cups, springs, rubber seals and steel washers for four pushrod tubesLower cover kit contains...$65.95 -
Colony - 7508-20 - Pushrod Kit - Shovelhead/Evolution/Big Twin
Colony Machine
$55.95Colony - 7508-20 - Pushrod Kit - Shovelhead/Evolution/Big TwinFeaturesThese kits contain exact OEM duplicate parts for proper fitmentUpper cover kit contains chrome clips, chrome cups, springs, rubber seals and steel washers for four pushrod tubesLower...$55.95 -
Colony - DS193758 - PUSHROD TUBE KIT 99-17 TC
Colony Machine
$85.95Colony - DS193758 - PUSHROD TUBE KIT 99-17 TCFeaturesThis kit is a must when installing adjustable pushrods in a Twin Cam motorIncludes four short lower tubes and clips, which allow easy access to the adjuster nut and lock nutRequires the use of OEM...$85.95 -
Cometic - C9745 - Head Gasket - 3.750" x .040" - 88"/96" - '99-'13 Twin Cam
Cometic
$61.90Cometic - C9745 - Head Gasket - 3.750" x .040" - 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 material...$61.90 -
Cometic - C9722 - Head Gasket - 3.875" x .040" - 95"/103" - '99-'16 Twin Cam
Cometic
$61.90Cometic - C9722 - Head Gasket - 3.875" x .040" - 95"/103" - '99-'16 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...$61.90 -
Cometic - C9690 - Head Gasket - 3.625" x .030" - '84-'99 EVO
Cometic
$61.90Cometic - C9690 - Head Gasket - 3.625" 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 -
Cometic - C9689 - Head Gasket - Standard - 3.500" x .040" - '84-'99 EVO/'88-'22 XL 1200
Cometic
$61.90Cometic - C9689 - Head Gasket - Standard - 3.500" x .040" - '84-'99 EVO/'88-'22 XL 1200FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleCFM is a...$61.90 -
Cometic - C9688 - Head Gasket - Standard - 3.500" x .030" - '84-'99 EVO/'88-'22 XL 1200
Cometic
$61.90Cometic - C9688 - Head Gasket - Standard - 3.500" x .030" - '84-'99 EVO/'88-'22 XL 1200FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleCFM is a...$61.90 -
Cometic - C9691 - Head Gasket - 3.625" x .040" - '84-'99 EVO
Cometic
$61.90Cometic - C9691 - Head Gasket - 3.625" 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 -
Cometic - C9780 - Top End Gasket Kit - 95" - Twin Cam - EST
Cometic
$181.60Cometic - C9780 - Top End Gasket Kit - 95" - 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...$181.60 -
Cometic - C9779 - Top End Gasket Kit - Twin Cam 88 - EST
Cometic
$183.70Cometic - C9779 - Top End Gasket Kit - Twin Cam 88 - 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...$183.70 -
Cometic - C9747 - Top End Gasket - Big Twin - EST
Cometic
$142.75Cometic - C9747 - Top End Gasket - Big Twin - 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...$142.75 -
Cometic - C9635 - Top End Gasket - Big Twin - EST
Cometic
$142.75Cometic - C9635 - Top End Gasket - Big Twin - 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...$142.75 -
Ciro - 70026 - Caps - Engine/Bolt/Cover - Fluted/Spike - Black - Twin Cam
Ciro
$69.99Ciro - 70026 - Caps - Engine/Bolt/Cover - Fluted/Spike - Black - Twin CamFeaturesMade from strong ABS composite that is designed to handle the engine heat and to be removed and reinstalled when neededPrecision fit and simple press-on installationCover up...$69.99 -
Ciro - 70025 - Caps - Engine/Bolt/Cover - Crown/Diamond-Cut - Black - Twin Cam
Ciro
$74.99Ciro - 70025 - Caps - Engine/Bolt/Cover - Crown/Diamond-Cut - Black - Twin CamFeaturesMade from strong ABS composite that is designed to handle the engine heat and to be removed and reinstalled when neededPrecision fit and simple press-on...$74.99 -
Ciro - 70021 - Caps - Engine/Bolt/Cover - Crown/Diamond-Cut - Chrome - M8
Ciro
$74.99Ciro - 70021 - Caps - Engine/Bolt/Cover - Crown/Diamond-Cut - Chrome - M8FeaturesMade from strong ABS composite that is designed to handle the engine heat and to be removed and reinstalled when neededPrecision fit and simple press-on installationCover up...$74.99 -
Ciro - 70023 - Caps - Engine/Bolt/Cover - Fluted/Spike - Chrome - M8
Ciro
$69.99Ciro - 70023 - Caps - Engine/Bolt/Cover - Fluted/Spike - Chrome - M8FeaturesMade from strong ABS composite that is designed to handle the engine heat and to be removed and reinstalled when neededPrecision fit and simple press-on installationCover up old,...$69.99 -
Ciro - 70022 - Caps - Engine/Bolt/Cover - Crown/Diamond-Cut - Black - M8
Ciro
$74.99Ciro - 70022 - Caps - Engine/Bolt/Cover - Crown/Diamond-Cut - Black - M8FeaturesMade from strong ABS composite that is designed to handle the engine heat and to be removed and reinstalled when neededPrecision fit and simple press-on installationCover up...$74.99 -
Ciro - 70008 - Caps - Rocker Box/Bolt - Peaked - Black
Ciro
$39.99Ciro - 70008 - Caps - Rocker Box/Bolt - Peaked - BlackFeaturesPrecision fit and simple press-on installationCover up old, dull or rusty boltsMade from stamped steelFor Twin Cam engines.SpecsProduct NameCapMaterialSteelStylePeakedRiding...$39.99 -
Cometic - C9328F5 - Cam Cover Gasket - Big Twin
Cometic
$11.50Cometic - C9328F5 - Cam Cover Gasket - Big TwinFeaturesHigh-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...$11.50 -
Covingtons - C1282-C - Rocker Box Valve Covers - Finned Chrome - Twin Cam
Covingtons
$1,140.95Covingtons - C1282-C - Rocker Box Valve Covers - Finned Chrome - Twin CamFeaturesCNC-machined billet aluminum constructionMeasure approximately 2-3/4" tallSold in pairsMade in the USASpecsUnitsPairProduct NameCoverRiding...$1,140.95 -
Cometic - C10189 - Breather Assembly O-Ring
Cometic
$3.10Cometic - C10189 - Breather Assembly O-RingFeaturesManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMade in the U.S.A.Replacement Part for OEM Number(s): 11900116SpecsRiding StyleStreetMaterialVitonUnits10...$3.10 -
Covingtons - C3082-B - Valve Cover - Diamondback - Black - M8
Covingtons
$1,641.95Covingtons - C3082-B - Valve Cover - Diamondback - Black - M8FeaturesCNC machined billet aluminumValve Cover for M8 enginesMade in the USASpecsRiding StyleStreetMaterialBillet AluminumColor/FinishBlackUnitsPairProduct...$1,641.95 -
Covingtons - C1286-B - Valve Cover - Smooth - Black - M8
Covingtons
$1,514.95Covingtons - C1286-B - Valve Cover - Smooth - Black - M8FeaturesCNC machined billet aluminumValve Cover for M8 enginesMade in the USASpecsProduct NameCoverMaterialBillet AluminumColor/FinishBlackRiding...$1,514.95
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.