Engine
7735 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 - C10114 - Breather Filter Element Gasket - Twin Cam
Cometic
$3.30Cometic - C10114 - Breather Filter Element Gasket - Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or...$3.30 -
Cometic - C10113 - Complete Gasket Kit - 4.060" - '06-'17 Dyna
Cometic
$225.95Cometic - C10113 - Complete Gasket Kit - 4.060" - '06-'17 DynaFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel...$225.95 -
Cometic - C10112 - Complete Gasket Kit - 3.937" - '99-'06 Twin Cam
Cometic
$225.95Cometic - C10112 - Complete Gasket Kit - 3.937" - '99-'06 Twin CamFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head...$225.95 -
Cometic - C10111 - Top End Gasket Kit - Buell
Cometic
$151.95Cometic - 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...$151.95 -
Cometic - C9197F5 - Gasket
Cometic
$6.60Cometic - C9197F5 - 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):...$6.60 -
Cometic - C10086-040 - Head Gasket - Twin-Cooled/Air-Cooled - 4.125" x .040" - '14-'16 Twin Cam
Cometic
$64.95Cometic - C10086-040 - Head Gasket - Twin-Cooled/Air-Cooled - 4.125" x .040" - '14-'16 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant...$64.95 -
Cometic - C10086-030 - Head Gasket - Twin-Cooled/Air-Cooled - 4.125" x .030" - '14-'16 Twin Cam
Cometic
$63.07Cometic - C10086-030 - Head Gasket - Twin-Cooled/Air-Cooled - 4.125" x .030" - '14-'16 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant...$63.07 -
Cometic - C10085-040 - Head Gasket - Twin-Cooled/Air-Cooled - 4.060" x .040" - '14-'16 Twin Cam
Cometic
$63.07Cometic - 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...$63.07 -
Cometic - C10085-030 - Head Gasket - Twin-Cooled/Air-Cooled - 4.060" x .030" - '14-'16 Twin Cam
Cometic
$64.95Cometic - C10085-030 - Head Gasket - Twin-Cooled/Air-Cooled - 4.060" x .030" - '14-'16 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant...$64.95 -
Cometic - C10084-040 - Head Gasket - Twin-Cooled/Air-Cooled - 4.000" x .040" - '14-'16 Twin Cam
Cometic
$64.95Cometic - C10084-040 - Head Gasket - Twin-Cooled/Air-Cooled - 4.000" x .040" - '14-'16 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant...$64.95 -
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 - C10081-040 - Head Gasket - Twin-Cooled/Air-Cooled - 3.875" x .040" - '14-'16 Twin Cam
Cometic
$63.07Cometic - C10081-040 - Head Gasket - Twin-Cooled/Air-Cooled - 3.875" x .040" - '14-'16 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant...$63.07 -
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 - C9208 - Outer Rocker Gasket
Cometic
$22.95Cometic - 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...$22.95 -
Cometic - C9197 - Inner Rocker Gasket
Cometic
$6.37Cometic - C9197 - Inner 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...$6.37 -
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 - C9177 - Top End Gasket - XL 1200
Cometic
$148.88Cometic - C9177 - Top End Gasket - XL 1200FeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber...$148.88 -
Cometic - C9176 - Complete Gasket Kit - '07-'22 XL 1200
Cometic
$304.06Cometic - C9176 - Complete Gasket Kit - '07-'22 XL 1200FeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel...$304.06 -
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
$159.95Cometic - 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...$159.95 -
Cometic - C9850 - Top End Gasket - Standard - .030" - Fits 1992-1999 Evolution Big Twin, std. bore 0.030" head gaskets
Cometic
$152.95Cometic - C9850 - Top End Gasket - Standard - .030"FeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary...$152.95 -
Cometic - C9851 - Top End Gasket - Standard - .030" - Fits 1984-1991 Evolution Big Twin, std. bore, 0.030" head gaskets
Cometic
$152.95Cometic - C9851 - Top End Gasket - Standard - .030"FeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary...$152.95 -
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 - C9892 - Motor Gasket Kit - 1550
Cometic
$179.95Cometic - C9892 - Motor Gasket Kit - 1550FeaturesEvery gasket in these kits uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel Viton®-coated base...$179.95 -
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
$299.95Cometic - 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...$299.95 -
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
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.