Engine
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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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 - 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 - 70024 - Caps - Engine/Bolt/Cover - Fluted/Spike - Black - M8
Ciro
$69.99Ciro - 70024 - Caps - Engine/Bolt/Cover - Fluted/Spike - 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 old,...$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 - 70007 - Caps - Rocker Box/Bolt - Peaked - Chrome
Ciro
$39.99Ciro - 70007 - Caps - Rocker Box/Bolt - Peaked - ChromeFeaturesPrecision fit and simple press-on installationCover up old, dull or rusty boltsMade from stamped steelFor Twin Cam engines.SpecsColor/FinishChromeTypeBoltTypeRocker BoxBase ColorSilverProduct...$39.99 -
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 -
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 - C10305 - Oil Pump Seal
Cometic
$15.95Cometic - C10305 - Oil Pump SealFeaturesReplacement Oil Pump SealReplacement Part for OEM Number(s): 62400205SpecsRiding StyleStreetMaterialVitonTypeOil PumpProduct NameSealUnitsEachFitment2017-2021 Harley-Davidson CVO Electra Glide Ultra Limited...$15.95 -
Cometic - C9586-M8 - Pushrod O-Ring with Tappet Gaskets - M8
Cometic
$20.70Cometic - C9586-M8 - Pushrod O-Ring with Tappet Gaskets - M8 Features Viton® rubber O-ring seals Include proper quantity for one engine Made in the U.S.A. Specs Units Kit Riding Style Street Product...$20.70 -
Cometic - C10189 - Breather Assembly O-Ring
Cometic
$8.10Cometic - 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...$8.10 -
Cometic - C9215 - Main Drive Gear Seal - Big Twin/M8
Cometic
$19.65Cometic - C9215 - Main Drive Gear Seal - Big Twin/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):...$19.65 -
Cometic - C9224 - Outer Rocker O-Ring
Cometic
$19.65Cometic - C9224 - Outer Rocker O-RingFeaturesManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMade in the U.S.A.SpecsRiding StyleStreetApplicationLower Rocker CoverProduct NameSealMaterialVitonUnits4...$19.65 -
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 -
Covingtons - C3082-C - Valve Cover - Diamondback - Chrome - M8
Covingtons
$1,641.95Covingtons - C3082-C - Valve Cover - Diamondback - Chrome - M8FeaturesCNC machined billet aluminumValve Cover for M8 enginesMade in the USASpecsRiding StyleStreetUnitsPairMaterialBillet AluminumStyleDiamondbackTypeValveColor/FinishChromeProduct...$1,641.95 -
Covingtons - C1292-B - Rocker Box Cover - Dimpled Black - Twin Cam
Covingtons
$823.95Covingtons - C1292-B - Rocker Box Cover - Dimpled Black - Twin CamFeaturesReplaces OEM topCNC-machined billet aluminumIncludes gaskets and hardwareMade in the USASpecsRiding StyleStreetProduct NameCoverColor/FinishBlackStyleDimpledUnitsPairTypeRocker...$823.95 -
Covingtons - C1286-C - Valve Cover - Smooth - Chrome - M8
Covingtons
$1,514.95Covingtons - C1286-C - Valve Cover - Smooth - Chrome - M8FeaturesCNC machined billet aluminumValve Cover for M8 enginesMade in the USASpecsUnitsPairMaterialBillet AluminumProduct NameCoverColor/FinishChromeRiding...$1,514.95 -
Ciro - 73051 - Front Engine Stabilizer Link Cover
Ciro
$33.99Ciro - 73051 - Front Engine Stabilizer Link CoverFeaturesQuick and easy installationClean and classic lookBlack powdercoated aluminum will provide an easy-to-clean, long-lasting finishKeeps the factory stabilizer in place so no need for...$33.99 -
Covingtons - C1283-C - Rocker Box Valve Covers - Smooth Chrome - Twin Cam
Covingtons
$1,140.95Covingtons - C1283-C - Rocker Box Valve Covers - Smooth Chrome - Twin CamFeaturesCNC-machined billet aluminum constructionMeasure approximately 2-3/4" tallSold in pairsMade in the USASpecsRiding StyleStreetColor/FinishChromeProduct...$1,140.95 -
Cometic - C10363 - Crankcase Gasket - 0.012"
Cometic
$48.25Cometic - C10363 - Crankcase Gasket - 0.012"FeaturesHigh-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):...$48.25 -
Cometic - C10232 - Muffler Gasket - M8/FXST/XL
Cometic
$41.95Cometic - C10232 - Muffler Gasket - M8/FXST/XL Features High-quality products for long-term reliability Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle GraFoil® gaskets provide flexible graphite...$41.95 -
Cometic - C10362 - Head Gasket - 0.024"
Cometic
$86.05Cometic - C10362 - Head Gasket - 0.024"FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMulti-Layer Steel (MLS) gasket features two outer Viton®-coated...$86.05 -
Cometic - C10362-HB - Cylinder Head/Base Gasket Kit
Cometic
$134.35Cometic - C10362-HB - Cylinder Head/Base Gasket KitFeaturesContains a pair of 106 mm bore MLX Multi layer steel with stopper layer head gaskets, and a pair of Single Layer Steel (SLS) base gaskets. The gaskets are stainless steel with an Elastomer...$134.35 -
Cometic - C10361 - Base Gasket - 0.010"
Cometic
$49.30Cometic - C10361 - Base Gasket - 0.010"FeaturesHigh quality products for long-term reliabilityManufactured from premium fuel-resistant materialsViton gaskets feature a stainless steel core with a .001" thick coating of Viton rubber on both sidesMade in...$49.30 -
Cometic - C10358-036 - Head Gasket - 4.125" - .036" - MLX - Twin Cam
Cometic
$86.05Cometic - C10358-036 - Head Gasket - 4.125" - .036" - MLX - Twin CamFeaturesManufactured from premium fuel-resistant materials that will not creep, crack or become brittle4.125" big bore is a popular big bore for performance-oriented Harleys, as it...$86.05 -
Cometic - C10358-032 - Head Gasket - 4.125" - .032" - MLX - Twin Cam
Cometic
$86.05Cometic - C10358-032 - Head Gasket - 4.125" - .032" - MLX - Twin CamFeaturesManufactured from premium fuel-resistant materials that will not creep, crack or become brittle4.125" big bore is a popular big bore for performance-oriented Harleys, as it...$86.05 -
Cometic - C10348-036 - Head Gasket - 4.500" x 0.036" - M8
Cometic
$86.05Cometic - C10348-036 - Head Gasket - 4.500" x 0.036" - M8FeaturesMLX Gasket (Multi-Layer-Xtreme) features an extra “stopper” fold-over layer providing a torque limiting surface that prevents yielding of the combustion sealProprietary high-temperature...$86.05 -
Cometic - C10347-036 - Head Gasket - 4.430" x 0.036" - M8
Cometic
$86.05Cometic - C10347-036 - Head Gasket - 4.430" x 0.036" - M8FeaturesMLX Gasket (Multi-Layer-Xtreme) features an extra “stopper” fold-over layer providing a torque limiting surface that prevents yielding of the combustion sealProprietary high-temperature...$86.05 -
Cometic - C10336-036 - Head Gasket - 4.320" x 0.036" - M8
Cometic
$86.05Cometic - C10336-036 - Head Gasket - 4.320" x 0.036" - M8FeaturesMLX Gasket (Multi-Layer-Xtreme) features an extra “stopper” fold-over layer providing a torque limiting surface that prevents yielding of the combustion sealProprietary high-temperature...$86.05 -
Cometic - C10336-032 - Head Gasket - 4.320" x 0.032" - M8
Cometic
$86.05Cometic - C10336-032 - Head Gasket - 4.320" x 0.032" - M8FeaturesMLX Gasket (Multi-Layer-Xtreme) features an extra “stopper” fold-over layer providing a torque limiting surface that prevents yielding of the combustion sealProprietary high-temperature...$86.05 -
Cometic - C10346-036 - Head Gasket - 4.250" x 0.036" - M8
Cometic
$86.05Cometic - C10346-036 - Head Gasket - 4.250" x 0.036" - M8FeaturesMLX Gasket (Multi-Layer-Xtreme) features an extra “stopper” fold-over layer providing a torque limiting surface that prevents yielding of the combustion sealProprietary high-temperature...$86.05 -
Cometic - C10345-036 - Head Gasket - 3.937" x 0.036" - M8
Cometic
$86.05Cometic - C10345-036 - Head Gasket - 3.937" x 0.036" - M8FeaturesMLX Gasket (Multi-Layer-Xtreme) features an extra “stopper” fold-over layer providing a torque limiting surface that prevents yielding of the combustion sealProprietary high-temperature...$86.05 -
Cometic - C10243 - Oil Pan Gasket - Softail
Cometic
$27.00Cometic - C10243 - Oil Pan Gasket - SoftailFeaturesHigh-quality products for long-term reliabilityKit includes all necessary gaskets, seals and O-rings needed for each applicationMade in the USAReplacement Part for OEM Number(s): 25700593SpecsRiding...$27.00 -
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 -
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
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.