Engine
7737 parts
Harley engine parts for Evo, Twin Cam, Milwaukee-Eight and Sportster motors. Jump to cams, big bore kits, heads, gaskets and seals or engine covers. Free US shipping over $100.
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Cometic - C10084-030 - Head Gasket - Twin-Cooled/Air-Cooled - 4.000" x .030" - '14-'16 Twin Cam
Cometic
$64.95Cometic - C10084-030 - Head Gasket - Twin-Cooled/Air-Cooled - 4.000" x .030" - '14-'16 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant...$64.95 -
Cometic - C10083-040 - Head Gasket - Twin-Cooled/Air-Cooled - 3.937" x .040" - '14-'16 Twin Cam
Cometic
$63.07Cometic - C10083-040 - Head Gasket - Twin-Cooled/Air-Cooled - 3.937" x .040" - '14-'16 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant...$63.07 -
Cometic - C10083-030 - Head Gasket - Twin-Cooled/Air-Cooled - 3.937" x .030" - '14-'16 Twin Cam
Cometic
$64.95Cometic - C10083-030 - Head Gasket - Twin-Cooled/Air-Cooled - 3.937" x .030" - '14-'16 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant...$64.95 -
Cometic - C9190F5 - Transmission/Engine Case Gasket
Cometic
$24.95Cometic - C9190F5 - Transmission/Engine Case GasketFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become...$24.95 -
Cometic - C9976 - Top End Gasket - Twin Cam - 4-1/8"
Cometic
MSRP: $150.10$136.26Cometic - C9976 - Top End Gasket - Twin Cam - 4-1/8"FeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary...MSRP: $150.10$136.26 -
Cometic - C9222-030 - Complete Gasket Kit - '99-'06 FLT/?FXR
Cometic
$209.95Cometic - C9222-030 - Complete Gasket Kit - '99-'06 FLT/?FXRFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel...$209.95 -
Cometic - C9195 - Rocker Box Kit - XL
Cometic
$66.97Cometic - C9195 - Rocker Box Kit - XLFeaturesPremium materials used for specific applications to provide a long, service free lifeKits include all gaskets, seals, O-rings and quality bolt seals...$66.97 -
Cometic - C9184 - Complete Gasket Kit - 3.875” - '07-'17 Softail
Cometic
$309.95Cometic - C9184 - Complete Gasket Kit - 3.875” - '07-'17 SoftailFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel...$309.95 -
Cometic - C9186 - Complete Gasket Kit - 3.875" - '06-'17 Dyna
Cometic
$309.95Cometic - 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...$309.95 -
Cometic - C9185 - Complete Gasket Kit - 103" - '07-'16 Touring
Cometic
$302.69Cometic - C9185 - Complete Gasket Kit - 103" - '07-'16 TouringFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel...$302.69 -
Cometic - C9172 - Complete Gasket Kit - '07-'13 Touring
Cometic
$302.69Cometic - C9172 - Complete Gasket Kit - '07-'13 TouringFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel...$302.69 -
Cometic - C9171 - Complete Gasket Kit - 3.750" - '07-'17 Softail
Cometic
$309.95Cometic - C9171 - Complete Gasket Kit - 3.750" - '07-'17 SoftailFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel...$309.95 -
Cometic - C9157 - Head Gasket - Standard - 3.750" x .051" - 88"/96" - '99-'13 Twin Cam
Cometic
$64.95Cometic - C9157 - Head Gasket - Standard - 3.750" x .051" - 88"/96" - '99-'13 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that...$64.95 -
Cometic - C9164 - Complete Gasket Kit - 3-5/8" - '84-'91 Big Twin
Cometic
$374.77Cometic - C9164 - Complete Gasket Kit - 3-5/8" - '84-'91 Big TwinFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel...$374.77 -
Cometic - C9161 - Complete Gasket Kit - 95" Big Bore - .030" - '99-'06 Big Twin
Cometic
$220.47Cometic - C9161 - Complete Gasket Kit - 95" Big Bore - .030" - '99-'06 Big TwinFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS)...$220.47 -
Cometic - C9155 - S&S Rocker Box Gasket Kit
Cometic
$78.95Cometic - C9155 - S&S 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...$78.95 -
Cometic - C9149 - Complete Gasket Kit - 3.875” - '06-'17 Dyna
Cometic
$220.47Cometic - 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...$220.47 -
Cometic - C9146 - Top End Gasket - Twin Cam
Cometic
$156.31Cometic - C9146 - Top End Gasket - Twin CamFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber...$156.31 -
Cometic - C9748F - Complete Gasket Kit - '92-'99 EVO Big Twin
Cometic
$374.77Cometic - C9748F - Complete Gasket Kit - '92-'99 EVO Big TwinFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel...$374.77 -
Cometic - C9920 - Complete Gasket Kit - 95" Big Bore - .040" - '99-'06 Big Twin
Cometic
$220.47Cometic - C9920 - Complete Gasket Kit - 95" Big Bore - .040" - '99-'06 Big TwinFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS)...$220.47 -
Cometic - C9758F - Complete Gasket Kit - .040" - '91-'03 XL 1200
Cometic
$293.79Cometic - C9758F - 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...$293.79 -
Cometic - C9848F - Complete Gasket Kit - .030" - 5 Speed - '84-'91 Touring/FXR
Cometic
$374.77Cometic - C9848F - Complete Gasket Kit - .030" - 5 Speed - '84-'91 Touring/FXRFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head...$374.77 -
Cometic - C9757F - Complete Gasket Kit - '88-'90 XL 1200
Cometic
$283.95Cometic - C9757F - Complete Gasket Kit - '88-'90 XL 1200FeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel...$283.95 -
Cometic - C9846F - Complete Gasket Kit - '92-'99 EVO Big Twin
Cometic
$382.95Cometic - C9846F - Complete Gasket Kit - '92-'99 EVO Big TwinFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel...$382.95 -
Cometic - C9855F - Complete Gasket Kit - .030"- '91-'03 XL 1200
Cometic
$211.40Cometic - C9855F - Complete Gasket Kit - .030"- '91-'03 XL 1200FeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel...$211.40 -
Cometic - C9896 - Head Gasket - Standard - 4.017" x .030" - '02-'07 VROD
Cometic
$136.95Cometic - C9896 - Head Gasket - Standard - 4.017" x .030" - '02-'07 VRODFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep,...$136.95 -
Cometic - C9910 - Head Gasket - 4.125" x .030" - '99-'13 Twin Cam
Cometic
$63.07Cometic - C9910 - Head Gasket - 4.125" x .030" - '99-'13 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack...$63.07 -
Cometic - C9739 - Cylinder Base Gasket - 4.125" - .020" - Twin Cam
Cometic
$33.95Cometic - C9739 - Cylinder Base Gasket - 4.125" - .020" - Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack...$33.95 -
Cometic - C9532 - Cylinder Base Gasket - 3.625" - .010" - EVO
Cometic
$33.95Cometic - C9532 - Cylinder Base Gasket - 3.625" - .010" - EVOFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or...$33.95 -
Cometic - C9938 - Cylinder Base Gasket - 4.125" - .010" - Twin Cam
Cometic
$33.95Cometic - C9938 - Cylinder Base Gasket - 4.125" - .010" - Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack...$33.95 -
Cometic - C9738 - Cylinder Base Gasket - 4" - .020" - Twin Cam
Cometic
$33.95Cometic - C9738 - Cylinder Base Gasket - 4" - .020" - Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or...$33.95 -
Cometic - C9100 - Cylinder Base Gasket - .010" - XL
Cometic
$33.95Cometic - C9100 - Cylinder Base Gasket - .010" - XLFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become...$33.95 -
Cometic - C9759 - Top End Gasket - 883 XL
Cometic
$152.95Cometic - C9759 - Top End Gasket - 883 XLFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber...$152.95 -
Cometic - C9845 - Top End Gasket - Standard - .030" - Fits 1999-2004 Twin Cam std. bore, w/ 0.030" head gaskets
Cometic
$159.95Cometic - C9845 - Top End Gasket - Standard - .030"FeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary...$159.95 -
Cometic - C9854F - Top End Gasket - 1200 XL
Cometic
$148.88Cometic - C9854F - Top End Gasket - 1200 XLFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber...$148.88 -
Cometic - C9768 - Top End Gasket - 3-13/16" - Fits 1992-1999 Evolution Big Twin w/ 3 3/16 (" bore)
Cometic
$183.95Cometic - C9768 - Top End Gasket - 3-13/16"FeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber...$183.95 -
Cometic - C9971 - Top End Gasket - 1200 XL
Cometic
$151.95Cometic - C9971 - Top End Gasket - 1200 XLFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber...$151.95 -
Cometic - C9771 - Top End Gasket - 3-3/4" - Big Twin
Cometic
$151.95Cometic - C9771 - Top End Gasket - 3-3/4" - Big TwinFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary...$151.95 -
Covingtons - C3086-C - Dipstick Cover - Diamondback - Chrome - Touring/Trike
Covington's Customs
$64.95Covingtons - C3086-C - Dipstick Cover - Diamondback - Chrome - Touring/TrikeFeaturesCNC-machined from billet aluminumReplaces the existing cover on the OEM dipstickMade in the USAFitment notes:Must...$64.95 -
Covingtons - C3086-B - Dipstick Cover - Diamondback - Black - Touring/Trike
Covington's Customs
$64.95Covingtons - C3086-B - Dipstick Cover - Diamondback - Black - Touring/TrikeFeaturesCNC-machined from billet aluminumReplaces the existing cover on the OEM dipstickMade in the USAFitment notes:Must...$64.95
About Engine
Harley Engine Parts for Rebuilds and Performance
From a fresh gasket set to a full big bore build, we stock the Harley engine parts you need to rebuild, maintain or wake up your motor. Match parts to your engine: Evo, Twin Cam, Milwaukee-Eight and Sportster parts don't swap across.
Shop Engine Parts
- Camshafts
- Big bore kits
- Cylinders
- Heads
- Pushrods
- Lifters
- Rockers
- Gaskets & seals
- Oil pumps
- Oil filters
- Motor mounts
- Engine covers
We carry engine parts from S&S Cycle, Drag Specialties, V-Twin Mfg, Alloy Art, HardDrive and Rocker Lockers. Pair your build with an air cleaner and exhaust that let it breathe.
Not Sure It Fits?
Year, model and engine all matter, and plenty of parts look the same but aren't. If you can't tell whether something fits your bike, hit us up with your year and model and we'll check it before you order.