Engine
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Covingtons - C3082-B - Valve Cover - Diamondback - Black - M8
Covington's Customs
$1,641.95Covingtons - C3082-B - Valve Cover - Diamondback - Black - M8FeaturesCNC machined billet aluminumValve Cover for M8 enginesMade in the USASpecs$1,641.95 -
Covingtons - C3082-C - Valve Cover - Diamondback - Chrome - M8
Covington's Customs
$1,641.95Covingtons - C3082-C - Valve Cover - Diamondback - Chrome - M8FeaturesCNC machined billet aluminumValve Cover for M8 enginesMade in the USASpecs$1,641.95 -
Covingtons - C1292-B - Rocker Box Cover - Dimpled Black - Twin Cam
Covington's Customs
$823.95Covingtons - C1292-B - Rocker Box Cover - Dimpled Black - Twin CamFeaturesReplaces OEM topCNC-machined billet aluminumIncludes gaskets and hardwareMade in the USASpecs$823.95 -
Covingtons - C1286-C - Valve Cover - Smooth - Chrome - M8
Covington's Customs
$1,514.95Covingtons - C1286-C - Valve Cover - Smooth - Chrome - M8FeaturesCNC machined billet aluminumValve Cover for M8 enginesMade in the USASpecs$1,514.95 -
Ciro - 73051 - Front Engine Stabilizer Link Cover - Fits 2009-2024 FLHT/FLHR/FLHX/FLTR
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...$33.99 -
Covingtons - C1283-C - Rocker Box Valve Covers - Smooth Chrome - Twin Cam
Covington's Customs
$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 USASpecs$1,140.95 -
Cometic - C9262 - Main Shaft Seal - EVO
Cometic
$10.95Cometic - C9262 - Main Shaft Seal - EVO Features High-quality products for long-term reliability Manufactured from premium fuel-resistant materials that will not creep, crack or become...$10.95 -
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...$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...$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...$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 ...$49.30 -
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...$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...$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...$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...$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...$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...$86.05 -
Cometic - C10275 - Complete Engine/Primary Gasket Kit - Fits 2017-2023 M-Eight Softail, 4.250" bore, 0040" head gaskets
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,...$340.15 -
Cometic - C10266 - Complete Engine/Primary Gasket Kit - Fits 2017-2023 M-Eight Touring, 4.250" bore, 0.040" head gaskets
Cometic
$340.15Cometic - C10266 - 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,...$340.15 -
Cometic - C10260 - Complete Engine/Primary Gasket Kit - Fits 2017-2023 M-Eight Touring, 3.937" bore, 0.040" head gaskets
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,...$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 USASpecs$267.70 -
Cometic - C10252 - Motor Gasket Kit - M8
Cometic
$259.30Cometic - C10252 - Motor Gasket Kit - M8FeaturesEvery gasket in these kit uses the best materials possible for its intended applicationMade in the USASpecs$259.30 -
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 USASpecs$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...$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...$240.40 -
Cometic - C10242 - Base Gasket - Gen-2 Embossing - M8
Cometic
$33.55Cometic - C10242 - Base Gasket - Gen-2 Embossing - M8FeaturesCenter or shim layer is uncoated stainless steel, which can be varied to accommodate multiple thickness requirementsOuter layers are...$33.55 -
Cometic - C10167-036 - Cylinder Head Gasket - 4.145" - M8
Cometic
$61.90Cometic - C10167-036 - Cylinder Head Gasket - 4.145" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even...$61.90 -
Cometic - C10167-030 - Cylinder Head Gasket - 4.145" - M8
Cometic
$61.90Cometic - C10167-030 - Cylinder Head Gasket - 4.145" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even...$61.90 -
Cometic - C10166-HB-030 - Cylinder Head/Base Gasket - M8
Cometic
$81.85Cometic - C10166-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...$81.85 -
Cometic - C10166-030 - Cylinder Head Gasket - 4.075" - M8
Cometic
$61.90Cometic - C10166-030 - Cylinder Head Gasket - 4.075" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even...$61.90 -
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...$81.85 -
Cometic - C10165 - Cylinder Head Gasket - 4.000" - M8
Cometic
$61.90Cometic - C10165 - Cylinder Head Gasket - 4.000" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even torque...$61.90 -
Cometic - C10165-030 - Cylinder Head Gasket - 4.000" - M8
Cometic
$61.90Cometic - C10165-030 - Cylinder Head Gasket - 4.000" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even...$61.90 -
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...$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...$287.65 -
Cometic - C10150 - Rocker Box Gasket Kit - Fits 2000-2006 XB9/XB12
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...$65.05 -
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...$82.90 -
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...$288.70 -
Cometic - C10128-040 - Complete Gasket Kit - 110"
Cometic
$169.00Cometic - C10128-040 - Complete Gasket Kit - 110"FeaturesEvery gasket in these kits uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel...$169.00 -
Cometic - C9949-030 - Top End Gasket Kit - Twin Cam
Cometic
$146.95Cometic - C9949-030 - Top End Gasket Kit - Twin CamFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary...$146.95
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.