HARLEY-DAVIDSON Cometic Powersport Gaskets Gaskets & Seals

Cometic Gasket Head Gaskets

Cometic Gasket has engineered premium head gaskets to withstand today's high performance standards. These head gaskets are ideal for aluminum heads, aluminum blocks, and cast iron blocks. They form their gaskets out of high-strength materials such as multi-layer stainless steel and copper, which creates the ability to rebound and resist corrosion. They are designed to meet the demands of harsh sealing environments, load conditions, and various surface finishes.

5.0 out of 5 stars ( 1 )

$59.50

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$79.36

Cometic Gasket Complete EST Gasket Kits

Cometic Gasket complete EST gasket kits utilize their Extreme Sealing Technology. They are proven through state-of-the-art research and development processes and validated on the street and track. Their complete gasket kits include the necessary gaskets, seals, and O-rings to rebuild your engine. Kits are available with or without head and base gaskets. Select the complete EST gasket kit designed for your application.

Not Yet Reviewed

$140.45

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$353.56

Cometic Gasket Rocker Box Gasket Kits

Cometic rocker box gasket kits utilize advanced engineering and manufacturing techniques to bring you the very best seals for your bike. Their design engineers analyze the environment that your gasket will perform in, select the proper materials, and apply the appropriate technology to provide the highest performing gaskets available on the market. Why not rely on the perfect blend of technology and testing to give you the best components for your Harley®? Install a Cometic Gasket rocker box gasket kit—and spend your precious time planning where to ride.

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$63.18

Cometic Gasket Top End EST Gasket Kits

Cometic Gasket top end EST gasket kits utilize their Extreme Sealing Technology. They are proven through state-of-the-art research and development processes and validated on the street and track. Their top end gasket kits include the necessary gaskets, seals, and O-rings to rebuild your top end, including embossed stainless steel head and base gaskets covered with proprietary rubber material. Kits are available without head and base gaskets.

5.0 out of 5 stars ( 1 )

$107.72

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$238.10

Cometic Gasket Head and Base Gasket Kits

Cometic Gasket cylinder head and base gasket kits deliver a high performance sealing solution for your motorcycle. Preventing leaks and ensuring optimal engine operation, Cometic combines advanced materials with the latest manufacturing processes to produce gaskets with the perfect fit, performance, and value. Select the head and base gasket kit designed for your bike.

Not Yet Reviewed

$79.36

Cometic Gasket Complete Transmission Gasket Kits

Cometic is committed to providing innovative, quality gaskets while maximizing your motorcycle engine's power and performance. Their gaskets and seals have been tested on both the street and the track, as well as vigorous Dyno shakedowns, and are made from premium materials best suited to each application. Cometic Gasket complete transmission gasket kits package the proper gaskets, seals, and O-rings to service and/or rebuild your motorcycle transmission. Select the kit designed for your bike.

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$39.44

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$99.53

Cometic Gasket Tappet Cover Gaskets

Known for their quality, Cometic Gasket tappet cover gaskets for Harley-Davidson® motorcycles are a good, economical option. The primary purpose of tappet cover gaskets, also known as valve cover gaskets, is to prevent oil leaks by creating a tight seal between the engine and the valve cover to ensure proper lubrication and help prevent damage to engine components. A tight seal helps to ensure that the engine's moving parts, like valves, push rods, and rocker arms, receive the necessary lubrication, reducing wear and tear. These tappet cover gaskets also help keep out dirt and debris, protecting the engine's internal components. Select the gaskets designed for your Harley® motorcycle to keep your bike well maintained.

Not Yet Reviewed

$8.70

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$38.71

Cometic Gasket Transmission End Cover Gaskets

Cometic Gasket offers transmission end cover gaskets for Harley-Davidson® motorcycles. The primary function of a transmission end cover gasket is to prevent transmission fluid from leaking out of the transmission housing, which can lead to costly repairs, as well as safety hazards. These Cometic gaskets are made from durable materials to withstand the heat and pressure of the engine and transmission, creating a tight seal between the transmission housing and end cover to prevent fluid from escaping and to maintain optimal performance. Select the gaskets for your bike application.

Not Yet Reviewed

$49.36

Cometic Gasket Cam Change Gasket Kits

Cometic Gasket offers cam change gasket kits for Harley-Davidson® that are essential for ensuring a proper seal when replacing or upgrading camshafts, preventing leaks and maintaining engine performance. These kits typically include all the necessary gaskets, seals, and O-rings for a complete cam change. At Cometic Gasket, their goal is to offer the latest in gasket technology to deliver robust performance to your bike. Materials, manufacturing processes and gasket designs are constantly improving to match the higher level of performance for today's powerful V-Twin engines.

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$44.95

Cometic Gasket Camshaft Service Kits

Cometic Gasket camshaft service kits are made from precision-cut, premium materials for a better fit and leak-free performance. These time-saving kits provide you with all the gaskets and seals you need for a cam change.

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$24.54

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$37.71

Cometic Gasket Rocker Cover Base Gaskets

Cometic Gasket rocker cover base gaskets are expertly crafted from advanced materials combined with the most current manufacturing processes to deliver quality sealing solutions. For Harley-Davidson® motorcycles, rocker cover base gaskets play a crucial role in preventing oil leaks, ensuring proper engine lubrication, and protecting the cylinder head, ultimately contributing to engine longevity and performance. By sealing the engine, these rocker cover base gaskets ensure oil stays where it's needed, lubricating the critical components of the engine and preventing premature wear. Select the gaskets specifically designed for your make and model.

Not Yet Reviewed

$20.33

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$102.15

Cometic Gasket Exhaust Gaskets

Cometic Gasket exhaust gaskets deliver performance. Whether you are looking for OE replacements or the higher performance of spiral-wound stainless steel or graphite, Cometic has exhaust gaskets to seal your motorcycle.

5.0 out of 5 stars ( 1 )

$14.42

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$98.63

Cometic Gasket Cam Cover Gaskets

Cometic Gasket cam cover gaskets are made from advanced materials combined with the most current manufacturing processes to deliver quality sealing solutions for your Harley®.

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$8.94

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$73.31

Cometic Gasket Transmission Output Gear End Seals

Cometic Gasket offers transmission output gear end gaskets for Harley-Davidson® motorcycles. The primary function of these seals is to prevent transmission fluid from leaking out of the transmission housing, which can lead to costly repairs. These seals also act as a barrier against dirt, dust, water, and other contaminants to prevent damage to your motorcycle's transmission gears and other internal components. By preventing leaks, the seals help to ensure transmission gears and other moving parts remain adequately lubricated, which is essential for smooth operation and longevity.

Not Yet Reviewed

$89.38

Cometic Gasket Piston Jet Cooler Gaskets

Cometic Gasket piston jet cooler gaskets (or piston cooling jets) enhance engine performance and longevity by preventing overheating, reducing the risk of piston seizure, and allowing for higher thermal loads, especially during performance builds. PCJs are particularly beneficial for the Harley-Davidson® Milwaukee Eight (M8) engines, which are known for their high compression and potential for overheating. By keeping pistons cooler, PCJs allow for higher compression ratios and more aggressive tuning, leading to increased horsepower and torque. Reduced piston temps also translate to less wear and tear on the engine and reduces risk of future costly repairs.

Not Yet Reviewed

$4.03

Cometic Gasket Lower Rocker Cover Gaskets

Cometic Gasket lower rocker cover gaskets for Harley® motorcycles are expertly crafted from advanced materials combined with the most current manufacturing processes to deliver quality sealing solutions. A worn or damaged rocker box gasket can lead to oil leaks, which can be messy and potentially cause safety hazards. These lower rocker cover gaskets create a tight seal between the rocker cover and cylinder head to prevent oil from escaping and helps ensure that the engine's moving parts are properly lubricated, which is essential for smooth operation and longevity. Select the lower rocker cover gaskets designed for your specific HD® make/model.

Not Yet Reviewed

$26.45

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$38.61

Cometic Gasket Upper Rocker Cover Gaskets

Cometic Gasket upper rocker cover gaskets, also known as valve cover gaskets, are expertly crafted from advanced materials combined with the most current manufacturing processes to deliver quality sealing solutions. For Harley-Davidson® motorcycles, the upper rocker cover gaskets create a tight seal between the valve cover and the cylinder head, preventing oil from escaping and keeping the engine clean. By sealing the area around the engine cylinder head, the gaskets protect the valve train components and other hardware from dirt, debris, and moisture. Regular maintenance and replacement of rocker cover gaskets can prevent costly repairs down the road by addressing leaks and other issues early on. Select the gaskets designed for your make and model.

Not Yet Reviewed

$25.13

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$113.10

Cometic Gasket Engine-to-Transmission Gaskets

Cometic is committed to providing innovative, quality gaskets while maximizing your motorcycle engine's power and performance. Their gaskets and seals have been tested on both the street and the track, as well as vigorous Dyno shakedowns, and are made from premium materials best suited to each application. Cometic Gasket engine-to-transmission gaskets present a high performance sealing solution, providing an OE fit and a leak-free seal. For your Harley®, demand Cometic to seal your engine and components properly.

Not Yet Reviewed

$108.33

Cometic Gasket Intake Manifold Service Kits

Cometic Gasket intake manifold service kits deliver a high performance sealing solution for your motorcycle. These kits contain all the gaskets, seals, and O-rings made from advanced materials for each application, allowing you to service your manifold properly and reliably. Select the intake manifold service kit designed for your bike.

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$35.65

Cometic Gasket Engine Gasket Kits

Cometic provides innovative quality gaskets, including engine gasket kits for Harley Davidson® and V-Twin motorcycles to maximize engine power and performance. No matter what the application, Cometic has selected the best materials for their gaskets to achieve the best seal. These full gasket sets include the necessary gaskets and seals to help you rebuild your engine. Order the engine gasket kit designed for your specific application needs.

Not Yet Reviewed

$264.54

Cometic Gasket Cylinder Base O-Rings

Today's lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads, and extreme temperatures. Cometic's commitment is to provide innovative, quality gaskets while maximizing your engine's power and performance. Cometic Gasket cylinder base O-rings seal the junction between the cylinder and engine case, preventing leaks and ensuring optimal engine operation. They combine advanced materials with the latest manufacturing processes to produce cylinder base sealing solutions with the perfect fit for your motorcycle. Select the O-ring designed for your bike.

Not Yet Reviewed

$22.02

Cometic Gasket Manifold-to-Head Seals

Cometic Gasket manifold-to-head seals deliver a high performance sealing solution for your motorcycle. Preventing leaks, Cometic combines advanced fuel-resistant materials with the latest manufacturing processes to produce seals with the perfect fit, performance, and value. Select the manifold-to-head seal kit designed for your bike.

Not Yet Reviewed

$22.48

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$26.28

Cometic Gasket Transmission Bearing Cover Gaskets

Cometic Gasket transmission bearing cover gaskets create a tight seal between the transmission bearing cover and the transmission housing, preventing leaks of transmission fluid and ensuring smooth transmission operation. Leaky gaskets can lead to low fluid levels, which can cause overheating, reduced performance, and even damage to the transmission components. A properly sealed transmission is essential for smooth shifting and optimal performance. Cometic Gasket offers a range of transmission gaskets and seals for Harley® motorcycles, including main shaft seals and end cover gaskets. Select the gaskets designed for your bike's application.

Not Yet Reviewed

$34.27

Cometic Gasket Starter Cover Gaskets

Cometic Gasket offers starter cover gaskets to cater to various Harley-Davidson® motorcycles. These gaskets create a watertight seal between the starter cover and the engine case, preventing oil from leaking out. They are essential for the starter motor to function correctly, ensuring the engine receives the necessary lubrication for proper engine function and longevity. In addition, a properly sealed starter cover gasket minimizes the need for frequent oil topping-off and reduces risk of oil stains under the motorcycle.

Not Yet Reviewed

$18.42