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COMETIC

COMETIC

COMETIC

Cometic Gaskets, Head Gaskets, and Seal Kits at JJ Motorsports

Cometic Gasket, founded in 1989 by Bob Gorman in the USA, is a leading manufacturer in the powersports and automotive industries, specializing in high-performance gaskets and sealing solutions. Starting from a small facility dedicated to powersports, Cometic has grown to provide innovative products that withstand extreme pressures and temperatures, catering to engine builders, racers, and enthusiasts worldwide.

At JJ Motorsports, we offer a wide range of Cometic products designed for reliable engine maintenance and upgrades. Harley-Davidson riders can enhance their setups with the durable Derby Seal Cover C10306F5 or the precise Head Gasket 3.937" x 0.036" for M8 models. For exhaust systems, the Muffler Gasket for M8/FXST/XL ensures a tight seal. We also carry options for other brands, such as the Top End Gasket Kit 68 mm for Honda and the comprehensive Top End Gasket Kit for Yamaha. Whether you're rebuilding an engine or preventing leaks, Cometic delivers compatible solutions for various vehicles. Explore our inventory to find the perfect fit for your needs.

Key features of Cometic products include Multi-Layer Steel (MLS) technology for superior durability, custom bore sizes and thicknesses for precise applications, high-temperature resistance to handle demanding conditions, and advanced materials that maintain compression and prevent failures. Shop now and secure your ride with Cometic's trusted quality!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • COMETIC Tappet Cover Gasket - Twin Cam C9578

    COMETIC Tappet Cover Gasket - Twin Cam C9578

    COMETIC

    $5.40
    A leaking tappet cover gasket compromises engine bay cleanliness and can lead to oil seepage onto critical components. The COMETIC Tappet Cover Gasket C9578 is engineered for Twin Cam applications,...
    DS172047
    SKU:
    DS172047
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    MOUNTING POSITION:
    FRONT
    MOUNTING POSITION:
    REAR
    THICKNESS METRIC:
    0.51 MM
    PRODUCT NAME:
    GASKET
    THICKNESS:
    0,51 MM (0,020')
    RIDING STYLE:
    STREET
    TYPE:
    TAPPET BLOCK
    MATERIAL:
    FIBER
    THICKNESS IMPERIAL:
    0,020'
    UNITS:
    10 PACK
    $5.40
    Qty in Cart: 0
    Quantity:
    Price:
    $5.40
    Subtotal:
  • COMETIC Rocker Cover Gasket - .020" - Twin Cam C9577

    COMETIC Rocker Cover Gasket - .020" - Twin Cam C9577

    COMETIC

    $62.70
    A worn rocker cover gasket is an easy source of oil leaks that compromise engine cleanliness and can lead to costly damage if left unaddressed. The COMETIC C9577 delivers reliable sealing with a...
    DS172031
    SKU:
    DS172031
    Availability:
    Ships Same Business Day
    Weight:
    0.38 LBS
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    GASKET
    THICKNESS:
    0,51 MM (0,020')
    THICKNESS IMPERIAL:
    0,020'
    THICKNESS METRIC:
    0.51 MM
    TYPE:
    ROCKER COVER
    MATERIAL:
    VITON
    UNITS:
    10 PACK
    Qty in Cart: 0
    Quantity:
    Price:
    $62.70
    Subtotal:
  • COMETIC Street Gasket C8030

    COMETIC Street Gasket C8030

    COMETIC

    $67.95
    A quality gasket is the foundation of a reliable seal—and this COMETIC Street Gasket delivers the precision and durability that serious builders demand. Whether you're running stock or modified power...
    C8030
    SKU:
    C8030
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    FEATURES:
    WITH NO DOWEL PINS
    BORE SIZE METRIC:
    73.50 MM
    RIDING STYLE:
    STREET
    THICKNESS METRIC:
    1.09 MM
    UNITS:
    EACH
    BORE SIZE:
    73,50 MM
    PRODUCT NAME:
    GASKET
    TYPE:
    CYLINDER HEAD
    DISPLACEMENT:
    997 CC - 1100 CC
    MATERIAL:
    GALVANIZED STEEL
    THICKNESS IMPERIAL:
    0,043'
    Qty in Cart: 0
    Quantity:
    Price:
    $67.95
    Subtotal:
  • COMETIC Gasket Set - Polaris 400 C7265

    COMETIC Gasket Set - Polaris 400 C7265

    COMETIC

    $40.95
    A failed head gasket can sideline your Polaris 400 and cost you race time or trail days. COMETIC's EST gasket kit eliminates the guesswork with a complete top-end seal package engineered for...
    C7265
    SKU:
    C7265
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    ATV
    BORE SIZE METRIC:
    85.00 MM
    TYPE:
    TOP END
    UNITS:
    KIT
    $40.95
    Qty in Cart: 0
    Quantity:
    Price:
    $40.95
    Subtotal:
  • COMETIC Top End Gasket Set  - XR650 C3216

    COMETIC Top End Gasket Set - XR650 C3216

    COMETIC

    $40.95
    A quality gasket set is non-negotiable for top-end reliability, especially on high-output engines where combustion pressures demand precise sealing. The COMETIC C3216 is engineered specifically for...
    C7151
    SKU:
    C7151
    Availability:
    Ships Same Business Day
    Weight:
    0.16 LBS
    PRODUCT NAME:
    GASKET KIT
    BORE SIZE METRIC:
    102.50 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TYPE:
    TOP END
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $40.95
    Subtotal:
  • COMETIC Top End Gasket Set - Suzuki C7136

    COMETIC Top End Gasket Set - Suzuki C7136

    COMETIC

    $40.95
    A failing head gasket compromises combustion sealing and bleeds horsepower—especially under boost or high cylinder pressures. The COMETIC C7136 Top End Gasket Set delivers multi-layered steel...
    C7136
    SKU:
    C7136
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    TYPE:
    TOP END
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $40.95
    Qty in Cart: 0
    Quantity:
    Price:
    $40.95
    Subtotal:
  • COMETIC Top End Gasket Set - Suzuki C7054

    COMETIC Top End Gasket Set - Suzuki C7054

    COMETIC

    $28.95
    A quality top end gasket set is non-negotiable for any engine rebuild or head service—failed seals mean oil leaks, compression loss, and potential catastrophic damage. The COMETIC C7054 delivers the...
    C7054
    SKU:
    C7054
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    PRODUCT NAME:
    GASKET KIT
    TYPE:
    TOP END
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $28.95
    Subtotal:
  • COMETIC Top End Gasket Set - Honda C7349

    COMETIC Top End Gasket Set - Honda C7349

    COMETIC

    $50.95
    A failing head gasket compromises combustion sealing and power output—especially critical when running high-boost or naturally aspirated builds pushing serious cylinder pressures. The COMETIC C7349...
    C7023
    SKU:
    C7023
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    THICKNESS METRIC:
    0.31 MM
    BORE SIZE METRIC:
    68.00 MM
    THICKNESS IMPERIAL:
    0,012'
    TYPE:
    TOP END
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $50.95
    Subtotal:
  • COMETIC Top End Gasket Set - Honda C7021

    COMETIC Top End Gasket Set - Honda C7021

    COMETIC

    $44.95
    A failed head gasket means downtime and costly engine damage—prevent catastrophic failure with COMETIC's MLS (multi-layered steel) technology, engineered specifically for high-output 4-stroke engines...
    C7021
    SKU:
    C7021
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BORE SIZE METRIC:
    72.00 MM
    RIDING STYLE:
    ATV
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET KIT
    THICKNESS METRIC:
    0.31 MM
    THICKNESS IMPERIAL:
    0,012'
    TYPE:
    TOP END
    Qty in Cart: 0
    Quantity:
    Price:
    $44.95
    Subtotal:
  • COMETIC Top End Gasket Set - Kawasaki C6043

    COMETIC Top End Gasket Set - Kawasaki C6043

    COMETIC

    $51.95
    A complete top-end gasket failure can sideline your engine and derail your race schedule. COMETIC's C6043 gasket set delivers the reliability you need for consistent performance, whether you're...
    C6043
    SKU:
    C6043
    Availability:
    Ships Same Business Day
    Weight:
    0.38 LBS
    MODEL:
    HI-PERFORMANCE
    UNITS:
    KIT
    RIDING STYLE:
    WATERCRAFT
    TYPE:
    TOP END
    DISPLACEMENT:
    750 CC
    PRODUCT NAME:
    GASKET KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $51.95
    Subtotal:
  • COMETIC Viton O-Ring C10190

    COMETIC Viton O-Ring C10190

    COMETIC

    $7.60
    Engine seals are only as reliable as their materials—and Viton O-rings set the gold standard for high-temperature, high-pressure applications. If you're building a forced-induction engine, running...
    09350976
    SKU:
    09350976
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    MATERIAL:
    VITON
    PRODUCT NAME:
    O-RING
    APPLICATION:
    MAP SENSOR
    RIDING STYLE:
    STREET
    UNITS:
    10 PACK
    Qty in Cart: 0
    Quantity:
    Price:
    $7.60
    Subtotal:
  • COMETIC Viton O-Ring C10189

    COMETIC Viton O-Ring C10189

    COMETIC

    $7.60
    Fuel system sealing demands uncompromising reliability, and a failed O-ring can compromise your entire fuel delivery system. The COMETIC Viton O-Ring C10189 resists fuel degradation, thermal cycling,...
    09350975
    SKU:
    09350975
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    RIDING STYLE:
    STREET
    UNITS:
    10 PACK
    APPLICATION:
    BREATHER
    PRODUCT NAME:
    O-RING
    MATERIAL:
    VITON
    Qty in Cart: 0
    Quantity:
    Price:
    $7.60
    Subtotal:
  • COMETIC Kiehin Manifold C9425

    COMETIC Kiehin Manifold C9425

    COMETIC

    $5.30
    The COMETIC Kiehin Manifold C9425 delivers precise intake routing and optimized fuel-air mixture distribution for engines demanding reliable, repeatable performance. Whether you're building a...
    09350222
    SKU:
    09350222
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    MATERIAL:
    FIBER
    PRODUCT NAME:
    GASKET
    TYPE:
    INTAKE MANIFOLD
    UNITS:
    10 PACK
    THICKNESS IMPERIAL:
    0.031'
    RIDING STYLE:
    STREET
    THICKNESS:
    0,031'
    Qty in Cart: 0
    Quantity:
    Price:
    $5.30
    Subtotal:
  • COMETIC Bendix Manifold Gasket C9417

    COMETIC Bendix Manifold Gasket C9417

    COMETIC

    $4.90
    A quality manifold gasket is the seal between your intake manifold and cylinder head—get this wrong, and you're looking at vacuum leaks, rough idle, and lost performance. The COMETIC Bendix C9417...
    09350221
    SKU:
    09350221
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    MATERIAL:
    FIBER
    PRODUCT NAME:
    GASKET
    THICKNESS IMPERIAL:
    0.020'
    TYPE:
    INTAKE MANIFOLD
    UNITS:
    10 PACK
    RIDING STYLE:
    STREET
    THICKNESS METRIC:
    0.51 MM
    THICKNESS:
    0,51 MM (0,020')
    Qty in Cart: 0
    Quantity:
    Price:
    $4.90
    Subtotal:
  • COMETIC Oil Pan Gasket - AFM C9265F

    COMETIC Oil Pan Gasket - AFM C9265F

    COMETIC

    $36.70
    An oil pan gasket is a critical seal that prevents leaks and maintains proper oil circulation—a failure here means potential engine damage and costly downtime. The COMETIC C9265F uses proven Aluminum...
    09350218
    SKU:
    09350218
    Availability:
    Ships Same Business Day
    Weight:
    0.36 LBS
    MATERIAL:
    AFM (ALUMINUM FOAM MATERIAL)
    PRODUCT NAME:
    GASKET
    THICKNESS IMPERIAL:
    0.060'
    TYPE:
    OIL PAN
    RIDING STYLE:
    STREET
    UNITS:
    5 PACK
    TYPE:
    TRANSMISSION
    $36.70
    Qty in Cart: 0
    Quantity:
    Price:
    $36.70
    Subtotal:
  • COMETIC Drain Plug Washer C9403

    COMETIC Drain Plug Washer C9403

    COMETIC

    $9.50
    A worn or damaged drain plug washer is an easy way to develop slow oil leaks that compromise engine cleanliness and waste oil over time. The COMETIC C9403 drain plug washer eliminates sealing...
    09350216
    SKU:
    09350216
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MATERIAL:
    FIBER
    MATERIAL:
    VULCANIZED
    THICKNESS IMPERIAL:
    0.015'
    UNITS:
    10 PACK
    APPLICATION:
    DRAIN PLUG
    PRODUCT NAME:
    WASHER
    RIDING STYLE:
    STREET
    THICKNESS:
    0,015'
    Qty in Cart: 0
    Quantity:
    Price:
    $9.50
    Subtotal:
  • COMETIC Dipstick Cover O-Ring C9485

    COMETIC Dipstick Cover O-Ring C9485

    COMETIC

    $5.30
    A degraded dipstick cover o-ring compromises your engine's sealing integrity, allowing contaminants and moisture to infiltrate your oil pan. COMETIC's C9485 replaces worn or damaged o-rings with a...
    09350214
    SKU:
    09350214
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    APPLICATION:
    DIPSTICK COVER
    RIDING STYLE:
    STREET
    UNITS:
    10 PACK
    MATERIAL:
    VITON
    PRODUCT NAME:
    O-RING
    Qty in Cart: 0
    Quantity:
    Price:
    $5.30
    Subtotal:
  • COMETIC Mainshaft Seal - Big Twin C9513

    COMETIC Mainshaft Seal - Big Twin C9513

    COMETIC

    $21.10
    A leaking mainshaft seal compromises engine integrity and leads to costly fluid loss and potential drivetrain damage. The COMETIC Mainshaft Seal for Big Twin applications delivers a precise,...
    09350212
    SKU:
    09350212
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    APPLICATION:
    MAIN CRANKSHAFT
    PRODUCT NAME:
    SEAL
    RIDING STYLE:
    STREET
    MATERIAL:
    VITON
    UNITS:
    5 PACK
    Qty in Cart: 0
    Quantity:
    Price:
    $21.10
    Subtotal:
  • COMETIC Internal Manifold Seal C9290

    COMETIC Internal Manifold Seal C9290

    COMETIC

    $15.80
    Cometic's internal manifold seal eliminates unwanted air leakage at the intake manifold interface, ensuring accurate fuel metering and consistent combustion chamber conditions. A properly sealed...
    09350156
    SKU:
    09350156
    Availability:
    Ships Same Business Day
    Weight:
    0.16 LBS
    PRODUCT NAME:
    SEAL
    UNITS:
    10 PACK
    APPLICATION:
    INTAKE MANIFOLD TO CARBURETOR
    MATERIAL:
    NITRILE RUBBER
    RIDING STYLE:
    STREET
    $15.80
    Qty in Cart: 0
    Quantity:
    Price:
    $15.80
    Subtotal:
  • COMETIC Starter to Primary Case O-Ring Pack C9201

    COMETIC Starter to Primary Case O-Ring Pack C9201

    COMETIC

    $11.30
    A failed starter-to-primary case seal is one of the easiest ways to turn a reliable engine into an oil-weeping liability. COMETIC's O-ring pack replaces worn or degraded seals that compromise...
    09350155
    SKU:
    09350155
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    APPLICATION:
    STARTER
    RIDING STYLE:
    STREET
    MATERIAL:
    NITRILE RUBBER
    PRODUCT NAME:
    O-RING
    UNITS:
    5 PACK
    Qty in Cart: 0
    Quantity:
    Price:
    $11.30
    Subtotal:
  • COMETIC Crank Sensor O-Ring C9667

    COMETIC Crank Sensor O-Ring C9667

    COMETIC

    $3.20
    Crank sensor O-rings fail silently, causing misfires, rough idle, and limp-mode diagnostics that waste hours of troubleshooting. The COMETIC C9667 replaces worn seals with a fuel-resistant design...
    09350153
    SKU:
    09350153
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    MATERIAL:
    VITON
    RIDING STYLE:
    STREET
    APPLICATION:
    CRANKSHAFT POSITION SENSOR
    PRODUCT NAME:
    O-RING
    UNITS:
    25 PACK
    Qty in Cart: 0
    Quantity:
    Price:
    $3.20
    Subtotal:
  • COMETIC Case Dowel O-Ring C9287

    COMETIC Case Dowel O-Ring C9287

    COMETIC

    $9.50
    Engine case dowel o-rings are critical sealing components that prevent oil weeping and maintain precise case alignment—failure here compromises both performance and engine longevity. The COMETIC...
    09350152
    SKU:
    09350152
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    STREET
    APPLICATION:
    ENGINE CASE DOWEL
    UNITS:
    10 PACK
    MATERIAL:
    VITON
    PRODUCT NAME:
    O-RING
    $9.50
    Qty in Cart: 0
    Quantity:
    Price:
    $9.50
    Subtotal:
  • COMETIC Base Dowel O-Ring C9438

    COMETIC Base Dowel O-Ring C9438

    COMETIC

    $5.30
    Proper base dowel sealing is critical to maintaining compression and preventing oil weeping at the block interface—especially under high boost or sustained RPM. The COMETIC Base Dowel O-Ring C9438...
    09350151
    SKU:
    09350151
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    APPLICATION:
    ENGINE CASE DOWEL
    MATERIAL:
    VITON
    RIDING STYLE:
    STREET
    UNITS:
    10 PACK
    PRODUCT NAME:
    O-RING
    $5.30
    Qty in Cart: 0
    Quantity:
    Price:
    $5.30
    Subtotal:
  • COMETIC O-Ring C9292

    COMETIC O-Ring C9292

    COMETIC

    $16.20
    Cometic O-Ring gaskets are engineered for critical sealing applications where leakage means lost performance and costly downtime. Whether you're building a high-boost engine or maintaining precision...
    09350149
    SKU:
    09350149
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    APPLICATION:
    UPPER PUSHROD
    UNITS:
    25 PACK
    MATERIAL:
    VITON
    PRODUCT NAME:
    O-RING
    RIDING STYLE:
    STREET
    $16.20
    Qty in Cart: 0
    Quantity:
    Price:
    $16.20
    Subtotal:
  • COMETIC Rocker Umbrella Seal C9633

    COMETIC Rocker Umbrella Seal C9633

    COMETIC

    $31.10
    Rocker cover seals take a beating from engine heat, oil exposure, and constant thermal cycling—premature failure means oil leaks, contamination, and potential engine bay damage. The COMETIC Rocker...
    09350146
    SKU:
    09350146
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    RIDING STYLE:
    STREET
    APPLICATION:
    ROCKER COVER
    APPLICATION:
    UMBRELLA VALVE
    MATERIAL:
    VITON
    PRODUCT NAME:
    SEAL
    UNITS:
    10 PACK
    $31.10
    Qty in Cart: 0
    Quantity:
    Price:
    $31.10
    Subtotal:
  • COMETIC Complete Engine/Primary Gasket Set C10269

    COMETIC Complete Engine/Primary Gasket Set C10269

    COMETIC

    $340.15
    A complete gasket set is foundational to engine reliability—without proper sealing, combustion pressure escapes, coolant leaks, and oil weeps compromise both performance and longevity. The COMETIC...
    09346331
    SKU:
    09346331
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    RIDING STYLE:
    STREET
    TYPE:
    COMPLETE
    UNITS:
    KIT
    BORE SIZE:
    3,937'
    PRODUCT NAME:
    GASKET
    Qty in Cart: 0
    Quantity:
    Price:
    $340.15
    Subtotal:
  • COMETIC Motor Gasket Kit - M8 C10256

    COMETIC Motor Gasket Kit - M8 C10256

    COMETIC

    $267.70
    A failed gasket kit can cost you a race and thousands in engine damage. The COMETIC M8 C10256 EST (Extreme Sealing Technology) kit eliminates hot spots and combustion leaks with precision-engineered...
    09346328
    SKU:
    09346328
    Availability:
    Ships Same Business Day
    Weight:
    0.96 LBS
    BORE SIZE IMPERIAL:
    4.250'
    RIDING STYLE:
    STREET
    BORE SIZE:
    4,250'
    TYPE:
    COMPLETE
    PRODUCT NAME:
    GASKET
    UNITS:
    KIT
    $267.70
    Qty in Cart: 0
    Quantity:
    Price:
    $267.70
    Subtotal:
  • COMETIC Motor Gasket Kit - M8 C10252

    COMETIC Motor Gasket Kit - M8 C10252

    COMETIC

    $259.30
    A reliable motor gasket kit is the foundation of a bulletproof top-end rebuild. The COMETIC M8 C10252 uses Extreme Sealing Technology to eliminate hot spots and gasket failure—critical when you're...
    09346327
    SKU:
    09346327
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    BORE SIZE IMPERIAL:
    4.075'
    RIDING STYLE:
    STREET
    TYPE:
    COMPLETE
    BORE SIZE:
    4,075'
    PRODUCT NAME:
    GASKET
    UNITS:
    KIT
    $259.30
    Qty in Cart: 0
    Quantity:
    Price:
    $259.30
    Subtotal:
  • COMETIC Exhaust Gasket - Evo/Twin Cam/M8 C9247

    COMETIC Exhaust Gasket - Evo/Twin Cam/M8 C9247

    COMETIC

    $46.00
    A failed exhaust gasket compromises engine sealing, reduces performance, and risks catastrophic damage under sustained boost or high RPM conditions. The COMETIC C9247 delivers proven reliability...
    09346318
    SKU:
    09346318
    Availability:
    Ships Same Business Day
    Weight:
    0.21 LBS
    RIDING STYLE:
    STREET
    TYPE:
    EXHAUST
    MATERIAL:
    GRAPHITE
    PRODUCT NAME:
    GASKET
    UNITS:
    KIT
    MATERIAL:
    STAINLESS STEEL
    Qty in Cart: 0
    Quantity:
    Price:
    $46.00
    Subtotal:
  • COMETIC Transmission/Engine Gasket C10214

    COMETIC Transmission/Engine Gasket C10214

    COMETIC

    $12.95
    Transmission and engine gasket integrity is non-negotiable when you're building a reliable power plant. The COMETIC C10214 delivers the seal quality that separates a bulletproof build from a...
    09345981
    SKU:
    09345981
    Availability:
    Ships Same Business Day
    Weight:
    0.21 LBS
    TYPE:
    ENGINE
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    TYPE:
    TRANSMISSION
    $12.95
    Qty in Cart: 0
    Quantity:
    Price:
    $12.95
    Subtotal:
  • COMETIC Cylinder Head Gasket C10191

    COMETIC Cylinder Head Gasket C10191

    COMETIC

    $61.90
    A reliable cylinder head gasket is the foundation of a sealed combustion chamber—any compromise here means potential coolant leaks, oil seepage, and catastrophic engine failure. The COMETIC C10191...
    09345951
    SKU:
    09345951
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    THICKNESS IMPERIAL:
    0,040'
    MATERIAL:
    LAYERED STEEL
    TYPE:
    CYLINDER HEAD
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    THICKNESS METRIC:
    1.02 MM
    UNITS:
    2 PACK
    BORE SIZE:
    4,250'
    BORE SIZE IMPERIAL:
    4.250'
    Qty in Cart: 0
    Quantity:
    Price:
    $61.90
    Subtotal:
  • COMETIC Cylinder Head Gasket C10182-030

    COMETIC Cylinder Head Gasket C10182-030

    COMETIC

    $61.90
    A quality cylinder head gasket is your engine's first line of defense against catastrophic coolant and combustion leaks. The COMETIC C10182-030 delivers the reliability you need with a...
    09345949
    SKU:
    09345949
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    BORE SIZE IMPERIAL:
    4.320'
    RIDING STYLE:
    STREET
    MATERIAL:
    LAYERED STEEL
    PRODUCT NAME:
    GASKET
    UNITS:
    2 PACK
    BORE SIZE:
    4,320'
    THICKNESS IMPERIAL:
    0,030'
    THICKNESS METRIC:
    0.76 MM
    TYPE:
    CYLINDER HEAD
    $61.90
    Qty in Cart: 0
    Quantity:
    Price:
    $61.90
    Subtotal:
  • COMETIC Cylinder Head/Base Gasket C10181-HB

    COMETIC Cylinder Head/Base Gasket C10181-HB

    COMETIC

    $79.75
    A reliable cylinder head gasket is critical to maintaining compression integrity and preventing coolant/oil seepage—issues that compromise engine performance and longevity. The COMETIC C10181-HB uses...
    09345945
    SKU:
    09345945
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    THICKNESS IMPERIAL:
    0,014'
    THICKNESS IMPERIAL:
    0,040'
    THICKNESS METRIC:
    1.02 MM
    BORE SIZE:
    4,250'
    MATERIAL:
    LAYERED STEEL
    THICKNESS METRIC:
    0.36 MM
    THICKNESS:
    0,36 MM (0,014')
    TYPE:
    CYLINDER HEAD
    BORE SIZE IMPERIAL:
    4.250'
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    THICKNESS:
    1,02 MM (0,040')
    TYPE:
    CYLINDER BASE
    UNITS:
    KIT
    $79.75
    Qty in Cart: 0
    Quantity:
    Price:
    $79.75
    Subtotal:
  • COMETIC Upper Rocker Box Gasket C10179-2

    COMETIC Upper Rocker Box Gasket C10179-2

    COMETIC

    $26.20
    A leaking rocker box gasket means oil seepage, contamination risk, and potential engine damage—this COMETIC gasket seals the deal with precision engineering that withstands high heat and pressure...
    09345942
    SKU:
    09345942
    Availability:
    Ships Same Business Day
    Weight:
    0.16 LBS
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    TYPE:
    ROCKER BOX
    MATERIAL:
    VITON
    MOUNTING POSITION:
    UPPER
    THICKNESS IMPERIAL:
    0,020'
    THICKNESS METRIC:
    0.51 MM
    UNITS:
    2 PACK
    THICKNESS:
    0,51 MM (0,020')
    Qty in Cart: 0
    Quantity:
    Price:
    $26.20
    Subtotal:
  • COMETIC Upper Rocker Box Gasket C10179

    COMETIC Upper Rocker Box Gasket C10179

    COMETIC

    $67.90
    Rocker box gaskets are critical sealing components that prevent oil leakage and maintain proper engine bay cleanliness on high-performance builds. The COMETIC C10179 combines a precision stainless...
    09345941
    SKU:
    09345941
    Availability:
    Ships Same Business Day
    Weight:
    0.51 LBS
    MATERIAL:
    VITON
    TYPE:
    ROCKER BOX
    THICKNESS IMPERIAL:
    0,020'
    THICKNESS METRIC:
    0.51 MM
    MOUNTING POSITION:
    UPPER
    THICKNESS:
    0,51 MM (0,020')
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    UNITS:
    10 PACK
    Qty in Cart: 0
    Quantity:
    Price:
    $67.90
    Subtotal:
  • COMETIC Cylinder Base Gasket Pair C10177-020

    COMETIC Cylinder Base Gasket Pair C10177-020

    COMETIC

    $33.55
    A quality cylinder base gasket is foundational to maintaining proper compression and preventing coolant seepage in high-demand engines. The COMETIC C10177-020 uses multi-layer steel construction with...
    09345939
    SKU:
    09345939
    Availability:
    Ships Same Business Day
    Weight:
    0.16 LBS
    MATERIAL:
    STEEL
    THICKNESS METRIC:
    0.51 MM
    UNITS:
    2 PACK
    MATERIAL:
    VITON
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    TYPE:
    CYLINDER BASE
    THICKNESS IMPERIAL:
    0,020'
    Qty in Cart: 0
    Quantity:
    Price:
    $33.55
    Subtotal:
  • COMETIC Cylinder Head Gasket C10167

    COMETIC Cylinder Head Gasket C10167

    COMETIC

    $61.90
    A cylinder head gasket is the critical seal between your engine block and cylinder head—any failure here means combustion leak, loss of compression, and potential engine damage. The COMETIC C10167 is...
    09345923
    SKU:
    09345923
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MATERIAL:
    LAYERED STEEL
    TYPE:
    CYLINDER HEAD
    BORE SIZE IMPERIAL:
    4.145'
    MATERIAL:
    VITON
    THICKNESS IMPERIAL:
    0,040'
    BORE SIZE:
    4,145'
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    THICKNESS METRIC:
    1.02 MM
    UNITS:
    2 PACK
    Qty in Cart: 0
    Quantity:
    Price:
    $61.90
    Subtotal:
  • COMETIC Cylinder Head Gasket C10165

    COMETIC Cylinder Head Gasket C10165

    COMETIC

    $61.90
    A cylinder head gasket is only as good as its ability to seal under extreme pressure and temperature swings—and the COMETIC C10165 is engineered to handle exactly that. Built with a stainless steel...
    09345918
    SKU:
    09345918
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    GASKET
    BORE SIZE IMPERIAL:
    4.000'
    THICKNESS IMPERIAL:
    0,040'
    THICKNESS METRIC:
    1.02 MM
    UNITS:
    2 PACK
    MATERIAL:
    LAYERED STEEL
    MATERIAL:
    VITON
    RIDING STYLE:
    OFF-ROAD
    BORE SIZE:
    4,000'
    TYPE:
    CYLINDER HEAD
    $61.90
    Qty in Cart: 0
    Quantity:
    Price:
    $61.90
    Subtotal:
  • COMETIC Cylinder/Base Gasket C10164-HB-030

    COMETIC Cylinder/Base Gasket C10164-HB-030

    COMETIC

    $81.85
    A quality cylinder/base gasket is non-negotiable when rebuilding an engine or replacing a failed seal—this is where catastrophic leaks start. The COMETIC C10164-HB-030 uses Multi-Layer Steel (MLS)...
    09345917
    SKU:
    09345917
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    MATERIAL:
    LAYERED STEEL
    RIDING STYLE:
    OFF-ROAD
    THICKNESS METRIC:
    0.76 MM
    TYPE:
    CYLINDER BASE
    TYPE:
    CYLINDER HEAD
    MATERIAL:
    VITON
    THICKNESS IMPERIAL:
    0,030'
    BORE SIZE:
    3,937'
    PRODUCT NAME:
    GASKET
    UNITS:
    2 PACK
    BORE SIZE IMPERIAL:
    3.937'
    THICKNESS:
    0,76 MM (0,030')
    $81.85
    Qty in Cart: 0
    Quantity:
    Price:
    $81.85
    Subtotal:
  • COMETIC Cylinder Head Gasket C10164-030

    COMETIC Cylinder Head Gasket C10164-030

    COMETIC

    $61.90
    A proper cylinder head gasket is critical to maintaining combustion chamber seal integrity and preventing coolant or oil leakage under sustained load and temperature cycling. The COMETIC C10164-030...
    09345916
    SKU:
    09345916
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    THICKNESS METRIC:
    0.76 MM
    TYPE:
    CYLINDER HEAD
    BORE SIZE IMPERIAL:
    3.937'
    THICKNESS IMPERIAL:
    0,030'
    MATERIAL:
    LAYERED STEEL
    MATERIAL:
    VITON
    BORE SIZE:
    3,937'
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    UNITS:
    2 PACK
    Qty in Cart: 0
    Quantity:
    Price:
    $61.90
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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