Engine
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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Cometic - C9224 - Outer Rocker O-Ring
Cometic
$14.65Cometic - 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...$14.65 -
Cometic - C9684 - Oil Pump Cover O-Ring
Cometic
$3.95Cometic - C9684 - Oil Pump Cover O-RingFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMade in the U.S.A.Replacement Part for OEM Number(s):...$3.95 -
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 - C1296-C - Cam Cover - Smooth Chrome - Twin Cam
Covingtons
$634.95Covingtons - C1296-C - Cam Cover - Smooth Chrome - Twin CamFeaturesCNC-machined billet aluminum constructionHardware includedMade in the USASpecsMaterialBillet AluminumStyleSmoothColor/FinishChromeProduct NameCoverRiding...$634.95 -
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 - C9296 - Tappet Pin Cover O-Ring
Cometic
$3.95Cometic - C9296 - Tappet Pin Cover O-RingFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMade in the U.S.A.Replacement Part for OEM Number(s):...$3.95 -
Cometic - C9444 - Lower Tappet Block O-Ring
Cometic
$3.10Cometic - C9444 - Lower Tappet Block O-RingFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMade in the U.S.A.Replacement Part for OEM Number(s):...$3.10 -
Cometic - C9443 - Upper Tappet Block O-Ring
Cometic
$3.10Cometic - C9443 - Upper Tappet Block O-RingFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMade in the U.S.A.Replacement Part for OEM Number(s):...$3.10 -
Cometic - C9448 - Tappet Screw O-Ring
Cometic
$4.15Cometic - C9448 - Tappet Screw O-RingFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMade in the U.S.A.Replacement Part for OEM Number(s):...$4.15 -
Cometic - C9263 - Filler Plug O-Ring - Evo
Cometic
$4.15Cometic - C9263 - Filler Plug O-Ring - EvoFeaturesMade in the U.S.A.Replacement Part for OEM Number(s): 11178SpecsApplicationFiller PlugRiding StyleStreetMaterialVitonProduct NameO-RingUnits10 PackFitment1995-1998 Harley-Davidson Dyna Convertible...$4.15 -
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 - 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 - C10359 - Rocker Box Rebuild Gasket 88"/96"/103" with O-Rings and Tappet Gaskets - Twin Cam
Cometic
$61.90Cometic - C10359 - Rocker Box Rebuild Gasket 88"/96"/103" with O-Rings and Tappet Gaskets - Twin CamFeaturesPremium materials used for specific applications to provide a long, service free lifeKit includes all gaskets and O-rings needed when servicing...$61.90 -
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 - 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 - C10336-040 - Head Gasket - 4.320" x 0.040" - M8
Cometic
$86.05Cometic - C10336-040 - Head Gasket - 4.320" x 0.040" - 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
$22.00Cometic - 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...$22.00 -
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 - C10269 - Complete Engine/Primary Gasket Kit
Cometic
$340.15Cometic - C10269 - 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 - C10260 - Complete Engine/Primary Gasket Kit
Cometic
$330.70Cometic - C10260 - 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...$330.70 -
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 - 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 -
Cometic - C10219 - Top End Gasket Kit with 0.040" Head Gasket - M8
Cometic
$240.40Cometic - C10219 - 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 -
Cometic - C10217 - Top End Gasket Kit with 0.040" Head Gasket - M8
Cometic
$240.40Cometic - C10217 - 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 -
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 - C10157-030 - Complete Gasket Kit - 0.030" - 110" Air Cooled Engine - 4.030" I.D. - '07-'16 CVO
Cometic
$287.65Cometic - C10157-030 - Complete Gasket Kit - 0.030" - 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...$287.65 -
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 - 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
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.