Engine
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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Cometic - C9872 - Cylinder Base Gasket - 4" - .020" - Big Twin
Cometic
$33.55Cometic - C9872 - Cylinder Base Gasket - 4" - .020" - Big TwinFeaturesHigh-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 - C9871 - Cylinder Base Gasket - 4" - .010" - Big Twin
Cometic
$33.55Cometic - C9871 - Cylinder Base Gasket - 4" - .010" - Big TwinFeaturesHigh-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 - C9725 - Head Gasket - 4.000" x .030" - 110 - '99-'13 Twin Cam
Cometic
$61.90Cometic - C9725 - Head Gasket - 4.000" x .030" - 110 - '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...$61.90 -
Cometic - C9865 - One Piece Rocker Base - Evo
Cometic
$22.00Cometic - C9865 - One Piece Rocker Base - EvoFeaturesViton gaskets feature a stainless steel core with a .001"-thick coating of Viton rubber on both sides.Made in the U.S.A.SpecsRiding StyleStreetThickness0,51 mm (0,020'')Thickness...$22.00 -
Cometic - Top End Gasket Kit fits '00-'06 FXST/FLST/FXD/FLT Models
Cometic
$130.12Cometic - Top End Gasket Kit fits '00-'06 FXST/FLST/FXD/FLT Models Cometic EST top end gasket kit. Fitment: 2000-2006 FXST 2000-2006 FLST 2000-2006 FXD 2000-2006 FLT Tech Note: Suggested to use with 107" Conversion Kit$130.12 -
Cometic - Primary Gasket Kit fits '94-'06 Touring Models
Cometic
$130.15Cometic - Primary Gasket Kit fits '94-'06 Touring Models This kit features Cometic's proprietary AFM (Aluminum Foamette Material) gaskets. These gaskets have an aluminum core with a chemically blown, compounded nitrile synthetic rubber which is bonded...$130.15 -
Out of stock
'Til Death Cycles - "Bulletproof" Sprocket Cover fits '91-'03 Sportster Models
'Til Death Cycles
$149.95'Til Death Cycles - "Bulletproof" Sprocket Cover fits '91-'03 Sportster Models The "Bulletproof" sprocket cover is designed to keep up with those who push their sporties to the limits. The main purpose? Strengthening the footpeg and brake mount...$149.95 -
Out of stock
'Til Death Cycles - "Bulletproof" Sprocket Cover fits '04-Up Sportster Models - Black
'Til Death Cycles
$129.95'Til Death Cycles - "Bulletproof" Sprocket Cover fits '04-Up Sportster Models - Black Made to the same standards as our renowned Sprocket Cover for 91-03 models, our newest cover works on all XL models 04 and Up. Although these covers do not provide the...$129.95 -
Out of stock
V-Twin - 15-7974 - M8 Head Gasket .030
Cometic
$68.23V-Twin - 15-7974 - M8 Head Gasket .030Description4.320" bore M8 head gasket .030 is made of multi-layered steel.$68.23 -
Out of stock
V-Twin - 15-7973 - M8 Head Gasket .040
Cometic
$61.57V-Twin - 15-7973 - M8 Head Gasket .040Description4.320" bore M8 head gasket .040 is made of multi-layered steel.$61.57 -
Out of stock
V-Twin - 15-7972 - M8 Head Gasket .030
Cometic
$68.23V-Twin - 15-7972 - M8 Head Gasket .030Description4.250" bore M8 head gasket .030 is made of multi-layered steel.$68.23 -
Out of stock
V-Twin - 15-7971 - M8 Head Gasket .040
Cometic
$76.57V-Twin - 15-7971 - M8 Head Gasket .040Description4.250" bore M8 head gasket .040 is made of multi-layered steel.$76.57 -
Out of stock
V-Twin - 15-7945 - M8 Head Gasket .040
Cometic
$61.57V-Twin - 15-7945 - M8 Head Gasket .040Description3.937" bore M8 head gasket .040 is made of multi-layered steel.$61.57 -
Out of stock
Cometic - C9936 - Base Gasket - S&S Super Sidewinder Plus - +4.125" - .020"
Cometic
$33.55Cometic - C9936 - Base Gasket - S&S Super Sidewinder Plus - +4.125" - .020"FeaturesHigh quality products for long-term reliabilityManufactured from premium fuel-resistant materialsViton gaskets feature a stainless steel core with a .001" thick coating of...$33.55 -
Out of stock
Cometic - C9762 - Top End Gasket Kit - XL1200 - EST
Cometic
$142.75Cometic - C9762 - 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 -
Out of stock
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 -
Out of stock
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 -
Out of stock
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 -
Out of stock
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 -
Out of stock
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 -
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
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.