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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
  • On Sale
    COMETIC Clutch Cover O-Ring C9220

    COMETIC Clutch Cover O-Ring C9220

    COMETIC

    Now: $25.38
    Was: $28.20
    A leaking clutch cover gasket compromises engine sealing and invites contamination into critical drivetrain components. The COMETIC Clutch Cover O-Ring C9220 delivers reliable, long-lasting sealing...
    09350263
    SKU:
    09350263
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    APPLICATION:
    CLUTCH COVER
    UNITS:
    5 PACK
    MATERIAL:
    VITON
    PRODUCT NAME:
    O-RING
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $25.38
    Was: $28.20
    Subtotal:
  • On Sale
    COMETIC Carb to Manifold Seal - 50MM C9227

    COMETIC Carb to Manifold Seal - 50MM C9227

    COMETIC

    MSRP: $7.95
    Now: $7.16
    Was: $7.95
    A leaking carb-to-manifold seal doesn't just waste fuel—it creates vacuum leaks that compromise idle quality, drivability, and fuel economy. The COMETIC C9227 eliminates guesswork with a precision...
    09350267
    SKU:
    09350267
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    APPLICATION:
    INTAKE MANIFOLD TO CARBURETOR
    UNITS:
    EACH
    MATERIAL:
    VITON
    PRODUCT NAME:
    SEAL
    RIDING STYLE:
    STREET
    MSRP: $7.95
    Now: $7.16
    Was: $7.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $7.95
    Now: $7.16
    Was: $7.95
    Subtotal:
  • On Sale
    COMETIC Main Drive Gear Seal C9258

    COMETIC Main Drive Gear Seal C9258

    COMETIC

    Now: $6.66
    Was: $7.40
    A leaking main drive gear seal can compromise your entire drivetrain, allowing fluid loss that leads to inadequate lubrication and catastrophic gear failure. The COMETIC C9258 is a...
    09350198
    SKU:
    09350198
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    SEAL
    UNITS:
    5 PACK
    APPLICATION:
    MAIN DRIVE GEAR
    MATERIAL:
    VITON
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $6.66
    Was: $7.40
    Subtotal:
  • On Sale
    COMETIC Starter Shaft Seal C9528

    COMETIC Starter Shaft Seal C9528

    COMETIC

    Now: $7.56
    Was: $8.40
    A leaking starter shaft seal can silently drain your engine's oil while compromising starter reliability—a critical failure point in high-performance builds. The COMETIC C9528 delivers OEM-quality...
    09350199
    SKU:
    09350199
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    APPLICATION:
    STARTER SHAFT
    UNITS:
    5 PACK
    PRODUCT NAME:
    SEAL
    MATERIAL:
    DUAL LIP VITON
    RIDING STYLE:
    STREET
    Now: $7.56
    Was: $8.40
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $7.56
    Was: $8.40
    Subtotal:
  • On Sale
    COMETIC Main Drive Gear Seal C9527

    COMETIC Main Drive Gear Seal C9527

    COMETIC

    MSRP: $11.95
    Now: $10.76
    Was: $11.95
    A compromised main drive gear seal leads to fluid leakage, contamination, and accelerated wear on critical drivetrain components. The COMETIC C9527 is engineered to maintain a reliable, long-lasting...
    09350200
    SKU:
    09350200
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    RIDING STYLE:
    STREET
    TYPE:
    OIL
    APPLICATION:
    MAIN DRIVE GEAR
    STYLE:
    DOUBLE LIP
    MATERIAL:
    VITON
    PRODUCT NAME:
    SEAL
    UNITS:
    EACH
    MSRP: $11.95
    Now: $10.76
    Was: $11.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $11.95
    Now: $10.76
    Was: $11.95
    Subtotal:
  • On Sale
    COMETIC Primary Gasket Kit C9211

    COMETIC Primary Gasket Kit C9211

    COMETIC

    MSRP: $56.65
    Now: $50.99
    Was: $56.65
    A primary gasket failure can sideline your engine and derail race day. Cometic's C9211 kit eliminates guesswork with purpose-built AFM gaskets engineered for high-heat, high-load environments where...
    09344807
    SKU:
    09344807
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    MATERIAL:
    AFM (ALUMINUM FOAM MATERIAL)
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    STREET
    TYPE:
    PRIMARY
    MSRP: $56.65
    Now: $50.99
    Was: $56.65
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $56.65
    Now: $50.99
    Was: $56.65
    Subtotal:
  • On Sale
    COMETIC Oil Pan Gasket - Twin Cam C9647F1

    COMETIC Oil Pan Gasket - Twin Cam C9647F1

    COMETIC

    MSRP: $13.95
    Now: $12.56
    Was: $13.95
    A quality oil pan gasket is critical to preventing leaks that can compromise engine lubrication and lead to catastrophic damage. The COMETIC C9647F1 uses a proven aluminum Foamette design that...
    09344811
    SKU:
    09344811
    Availability:
    Ships Same Business Day
    Weight:
    0.21 LBS
    UNITS:
    EACH
    MATERIAL:
    AFM (ALUMINUM FOAM MATERIAL)
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    GASKET
    THICKNESS IMPERIAL:
    0.060'
    TYPE:
    OIL PAN
    MSRP: $13.95
    Now: $12.56
    Was: $13.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $13.95
    Now: $12.56
    Was: $13.95
    Subtotal:
  • On Sale
    COMETIC Intake Manifold O-Ring Set C9453-KIT

    COMETIC Intake Manifold O-Ring Set C9453-KIT

    COMETIC

    MSRP: $5.95
    Now: $5.36
    Was: $5.95
    Intake manifold leaks compromise combustion efficiency and can lead to vacuum leaks that throw off your fuel mixture and ignition timing. COMETIC's O-ring set eliminates the guesswork by providing...
    09344705
    SKU:
    09344705
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    APPLICATION:
    INTAKE MANIFOLD
    APPLICATION:
    CYLINDER
    RIDING STYLE:
    STREET
    UNITS:
    SET
    PRODUCT NAME:
    O-RING
    MSRP: $5.95
    Now: $5.36
    Was: $5.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $5.95
    Now: $5.36
    Was: $5.95
    Subtotal:
  • On Sale
    COMETIC Manifold Gaskets C9608-2

    COMETIC Manifold Gaskets C9608-2

    COMETIC

    MSRP: $6.95
    Now: $6.26
    Was: $6.95
    A quality manifold gasket is critical to preventing exhaust leaks that rob power and create unwanted noise. COMETIC's precision-engineered gasket ensures a reliable seal under high heat and pressure...
    09344717
    SKU:
    09344717
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    APPLICATION:
    CYLINDER HEAD
    APPLICATION:
    INTAKE MANIFOLD
    MATERIAL:
    NITRILE RUBBER
    UNITS:
    PAIR
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    O-RING
    MSRP: $6.95
    Now: $6.26
    Was: $6.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $6.95
    Now: $6.26
    Was: $6.95
    Subtotal:
  • On Sale
    COMETIC Point Cover Gasket - Big Twin C9306F

    COMETIC Point Cover Gasket - Big Twin C9306F

    COMETIC

    Now: $8.01
    Was: $8.90
    A worn or deteriorating derby cover gasket compromises the seal on your Big Twin engine, leading to oil seepage, contamination, and potential engine damage over time. Cometic's point cover gasket...
    09341359
    SKU:
    09341359
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    RIDING STYLE:
    STREET
    THICKNESS METRIC:
    0.81 MM
    TYPE:
    POINT COVER
    MATERIAL:
    AFM (ALUMINUM FOAM MATERIAL)
    PRODUCT NAME:
    GASKET
    THICKNESS:
    0,81 MM (0,032')
    THICKNESS IMPERIAL:
    0,032'
    UNITS:
    5 PACK
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $8.01
    Was: $8.90
    Subtotal:
  • On Sale
    COMETIC Head/Intake Seal - Big Twin C9299

    COMETIC Head/Intake Seal - Big Twin C9299

    COMETIC

    Now: $9.54
    Was: $10.60
    A compromised head or intake seal will cost you power, reliability, and money. The COMETIC C9299 Head/Intake Seal eliminates guesswork with precision-engineered construction that maintains consistent...
    09341360
    SKU:
    09341360
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    THICKNESS:
    0,79 MM (0,031')
    UNITS:
    10 PACK
    THICKNESS IMPERIAL:
    0,031'
    MATERIAL:
    VITON
    PRODUCT NAME:
    GASKET
    TYPE:
    INTAKE MANIFOLD
    RIDING STYLE:
    STREET
    THICKNESS METRIC:
    0.79 MM
    Now: $9.54
    Was: $10.60
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $9.54
    Was: $10.60
    Subtotal:
  • On Sale
    COMETIC Oil Pump Cover Paper Gasket C9382

    COMETIC Oil Pump Cover Paper Gasket C9382

    COMETIC

    Now: $5.76
    Was: $6.40
    A failing oil pump cover gasket compromises your engine's oil seal integrity, risking pressure loss and potential damage to critical internal components. The COMETIC C9382 is a precision paper gasket...
    09341363
    SKU:
    09341363
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    THICKNESS:
    0,25 MM (0,010')
    THICKNESS IMPERIAL:
    0,010'
    MATERIAL:
    VULCANIZED FIBER
    MATERIAL:
    PAPER
    RIDING STYLE:
    STREET
    THICKNESS METRIC:
    0.25 MM
    PRODUCT NAME:
    GASKET
    TYPE:
    OIL PUMP
    UNITS:
    10 PACK
    Now: $5.76
    Was: $6.40
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $5.76
    Was: $6.40
    Subtotal:
  • On Sale
    COMETIC Starter Bolt O-Ring - Big Twin C9436

    COMETIC Starter Bolt O-Ring - Big Twin C9436

    COMETIC

    Now: $4.77
    Was: $5.30
    Starter bolt seal failures are a common source of oil leaks on Big Twin engines, often going unnoticed until oil pooling becomes a real problem. This COMETIC O-ring provides a precision seal at the...
    09341367
    SKU:
    09341367
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    APPLICATION:
    STARTER
    PRODUCT NAME:
    O-RING
    MATERIAL:
    NITRILE RUBBER
    UNITS:
    10 PACK
    RIDING STYLE:
    STREET
    Now: $4.77
    Was: $5.30
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $4.77
    Was: $5.30
    Subtotal:
  • On Sale
    COMETIC Starter Cover Gasket C9507F

    COMETIC Starter Cover Gasket C9507F

    COMETIC

    Now: $4.77
    Was: $5.30
    A leaking starter cover gasket compromises engine sealing and can lead to oil weeping that attracts debris and contaminates critical engine components. The COMETIC C9507F delivers OEM-equivalent...
    09341368
    SKU:
    09341368
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    RIDING STYLE:
    STREET
    THICKNESS METRIC:
    0.81 MM
    MATERIAL:
    AFM (ALUMINUM FOAM MATERIAL)
    PRODUCT NAME:
    GASKET
    THICKNESS:
    0,81 MM (0,032')
    THICKNESS IMPERIAL:
    0,032'
    UNITS:
    10 PACK
    TYPE:
    STARTER HOUSING
    Now: $4.77
    Was: $5.30
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $4.77
    Was: $5.30
    Subtotal:
  • On Sale
    COMETIC Starter Cover Gasket C9508F

    COMETIC Starter Cover Gasket C9508F

    COMETIC

    Now: $9.99
    Was: $11.10
    A leaking starter cover gasket compromises engine sealing and invites oil contamination into critical starter components. The COMETIC C9508F delivers factory-grade reliability with precision...
    09341369
    SKU:
    09341369
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    MATERIAL:
    AFM (ALUMINUM FOAM MATERIAL)
    RIDING STYLE:
    STREET
    THICKNESS METRIC:
    0.81 MM
    TYPE:
    STARTER HOUSING
    UNITS:
    10 PACK
    PRODUCT NAME:
    GASKET
    THICKNESS:
    0,81 MM (0,032')
    THICKNESS IMPERIAL:
    0,032'
    Now: $9.99
    Was: $11.10
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $9.99
    Was: $11.10
    Subtotal:
  • On Sale
    COMETIC Head Gasket - 68 mm - ZX-6R C8690-018

    COMETIC Head Gasket - 68 mm - ZX-6R C8690-018

    COMETIC

    MSRP: $115.95
    Now: $104.36
    Was: $115.95
    A head gasket failure can sideline your ZX-6R indefinitely, compromising compression and reliability when you need it most. The COMETIC C8690-018 delivers the sealing integrity demanded by...
    09340500
    SKU:
    09340500
    Availability:
    Ships Same Business Day
    Weight:
    0.21 LBS
    MATERIAL:
    LAYERED STEEL
    THICKNESS METRIC:
    0.46 MM
    TYPE:
    CYLINDER HEAD
    UNITS:
    EACH
    BORE SIZE:
    68,00 MM
    BORE SIZE METRIC:
    68.00 MM
    FEATURES:
    WITH NO DOWEL PINS
    PRODUCT NAME:
    GASKET
    THICKNESS IMPERIAL:
    0,018'
    RIDING STYLE:
    STREET
    MSRP: $115.95
    Now: $104.36
    Was: $115.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $115.95
    Now: $104.36
    Was: $115.95
    Subtotal:
  • On Sale
    COMETIC Head Gasket - CBR600RR C8737

    COMETIC Head Gasket - CBR600RR C8737

    COMETIC

    MSRP: $103.95
    Now: $93.56
    Was: $103.95
    A failed head gasket can sideline your CBR600RR when you need it most—and OEM replacements don't always deliver the durability your engine demands. The COMETIC C8737 is engineered to handle sustained...
    09343879
    SKU:
    09343879
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    BORE SIZE:
    70,00 MM
    FEATURES:
    WITH NO DOWEL PINS
    PRODUCT NAME:
    GASKET
    TYPE:
    CYLINDER HEAD
    BORE SIZE METRIC:
    70.00 MM
    THICKNESS IMPERIAL:
    0,027'
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    MATERIAL:
    LAYERED STEEL
    THICKNESS METRIC:
    0.69 MM
    MSRP: $103.95
    Now: $93.56
    Was: $103.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $103.95
    Now: $93.56
    Was: $103.95
    Subtotal:
  • On Sale
    COMETIC Exhaust Gasket - Honda C7126EX

    COMETIC Exhaust Gasket - Honda C7126EX

    COMETIC

    MSRP: $11.95
    Now: $10.76
    Was: $11.95
    Exhaust gasket failure means catastrophic air leaks, lost power, and potential engine damage—and you can't trust a subpar seal at high temperatures or high boost. The COMETIC C7126EX is engineered to...
    09344236
    SKU:
    09344236
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    BORE SIZE METRIC:
    51.00 MM
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    GASKET
    MODEL:
    HI-PERFORMANCE
    TYPE:
    EXHAUST
    UNITS:
    SET
    MSRP: $11.95
    Now: $10.76
    Was: $11.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $11.95
    Now: $10.76
    Was: $11.95
    Subtotal:
  • On Sale
    COMETIC Bottom End Gasket Set - Honda C7191BE

    COMETIC Bottom End Gasket Set - Honda C7191BE

    COMETIC

    MSRP: $82.95
    Now: $74.66
    Was: $82.95
    A complete bottom end gasket set is essential when you're rebuilding your engine—skimping on gasket quality invites oil leaks, coolant seepage, and catastrophic internal failures down the line...
    09344252
    SKU:
    09344252
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    BORE SIZE METRIC:
    68.50 MM
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    BOTTOM END
    BORE SIZE METRIC:
    66.50 MM
    MODEL:
    HI-PERFORMANCE
    UNITS:
    KIT
    MSRP: $82.95
    Now: $74.66
    Was: $82.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $82.95
    Now: $74.66
    Was: $82.95
    Subtotal:
  • On Sale
    COMETIC Stator Gasket - Suzuki EC1019032AFM

    COMETIC Stator Gasket - Suzuki EC1019032AFM

    COMETIC

    MSRP: $13.95
    Now: $12.56
    Was: $13.95
    Stator cover gaskets are a wear item that directly impact engine reliability and maintenance efficiency. The COMETIC EC1019032AFM eliminates the frustration of stuck gaskets and failed seals with its...
    09344363
    SKU:
    09344363
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    STATOR COVER
    MODEL:
    HI-PERFORMANCE
    MATERIAL:
    AFM (ALUMINUM FOAM MATERIAL)
    PRODUCT NAME:
    GASKET
    UNITS:
    EACH
    MSRP: $13.95
    Now: $12.56
    Was: $13.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $13.95
    Now: $12.56
    Was: $13.95
    Subtotal:
  • On Sale
    COMETIC Rocker Gasket Kit - M8 C10226

    COMETIC Rocker Gasket Kit - M8 C10226

    COMETIC

    MSRP: $77.65
    Now: $69.89
    Was: $77.65
    Rocker box gasket failure compromises engine sealing and can lead to oil leaks, contamination, and costly engine damage. The COMETIC Rocker Gasket Kit M8 C10226 delivers a complete seal solution with...
    09346315
    SKU:
    09346315
    Availability:
    Ships Same Business Day
    Weight:
    0.21 LBS
    TYPE:
    ROCKER COVER
    UNITS:
    KIT
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    GASKET
    MSRP: $77.65
    Now: $69.89
    Was: $77.65
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $77.65
    Now: $69.89
    Was: $77.65
    Subtotal:
  • On Sale
    COMETIC Head Gasket - .030" - Twin Cam C9725

    COMETIC Head Gasket - .030" - Twin Cam C9725

    COMETIC

    MSRP: $61.90
    Now: $55.71
    Was: $61.90
    A quality head gasket is the foundation of reliable cylinder sealing—especially on high-performance Twin Cam engines where boost and sustained RPMs demand precision. The COMETIC C9725 uses proven MLS...
    09340002
    SKU:
    09340002
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    BORE SIZE IMPERIAL:
    4.000'
    RIDING STYLE:
    STREET
    THICKNESS IMPERIAL:
    0,030'
    BORE SIZE:
    4,000'
    MATERIAL:
    LAYERED STEEL
    MATERIAL:
    VITON
    THICKNESS:
    0,76 MM (0,030')
    PRODUCT NAME:
    GASKET
    THICKNESS METRIC:
    0.76 MM
    TYPE:
    CYLINDER HEAD
    UNITS:
    PAIR
    MSRP: $61.90
    Now: $55.71
    Was: $61.90
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $61.90
    Now: $55.71
    Was: $61.90
    Subtotal:
  • On Sale
    COMETIC Head Gasket - Standard - VROD - .030" C9896

    COMETIC Head Gasket - Standard - VROD - .030" C9896

    COMETIC

    MSRP: $129.10
    Now: $116.19
    Was: $129.10
    A proper head gasket is fundamental to engine reliability—it's your first line of defense against combustion chamber leakage, coolant seepage, and compression loss. The COMETIC C9896 delivers proven...
    09340796
    SKU:
    09340796
    Availability:
    Ships Same Business Day
    Weight:
    0.39 LBS
    MATERIAL:
    LAYERED STEEL
    TYPE:
    CYLINDER HEAD
    UNITS:
    PAIR
    BORE SIZE:
    4,017'
    MATERIAL:
    VITON
    THICKNESS:
    0,76 MM (0,030')
    THICKNESS IMPERIAL:
    0,030'
    THICKNESS METRIC:
    0.76 MM
    PRODUCT NAME:
    GASKET
    BORE SIZE IMPERIAL:
    4.017'
    RIDING STYLE:
    STREET
    MSRP: $129.10
    Now: $116.19
    Was: $129.10
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $129.10
    Now: $116.19
    Was: $129.10
    Subtotal:
  • On Sale
    COMETIC Motor Gasket Kit - 1550 C9892

    COMETIC Motor Gasket Kit - 1550 C9892

    COMETIC

    MSRP: $169.00
    Now: $152.10
    Was: $169.00
    A complete gasket failure can end your race day before it starts. The COMETIC Motor Gasket Kit C9892 delivers OEM-grade sealing across your entire engine, using purpose-built materials that handle...
    09340808
    SKU:
    09340808
    Availability:
    Ships Same Business Day
    Weight:
    0.98 LBS
    BORE SIZE IMPERIAL:
    3.875'
    RIDING STYLE:
    STREET
    THICKNESS IMPERIAL:
    0,040'
    MATERIAL:
    AFM (ALUMINUM FOAM MATERIAL)
    PRODUCT NAME:
    GASKET KIT
    THICKNESS METRIC:
    1.02 MM
    BORE SIZE:
    3,875'
    MATERIAL:
    STEEL
    TYPE:
    MOTOR
    UNITS:
    KIT
    MSRP: $169.00
    Now: $152.10
    Was: $169.00
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $169.00
    Now: $152.10
    Was: $169.00
    Subtotal:
  • On Sale
    COMETIC Motor Gasket Kit - 4" C9940

    COMETIC Motor Gasket Kit - 4" C9940

    COMETIC

    MSRP: $356.95
    Now: $321.26
    Was: $356.95
    A complete gasket failure can cost you a race and thousands in engine damage. The COMETIC Motor Gasket Kit C9940 delivers the reliability you need with premium materials engineered for sustained...
    09340810
    SKU:
    09340810
    Availability:
    Ships Same Business Day
    Weight:
    2.00 LBS
    TYPE:
    MOTOR
    UNITS:
    KIT
    BORE SIZE:
    4,000'
    MATERIAL:
    AFM (ALUMINUM FOAM MATERIAL)
    PRODUCT NAME:
    GASKET KIT
    MATERIAL:
    STEEL
    BORE SIZE IMPERIAL:
    4.000'
    RIDING STYLE:
    STREET
    MSRP: $356.95
    Now: $321.26
    Was: $356.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $356.95
    Now: $321.26
    Was: $356.95
    Subtotal:
  • On Sale
    COMETIC Trans Mainshaft Seal - 5 Pack C9356

    COMETIC Trans Mainshaft Seal - 5 Pack C9356

    COMETIC

    Now: $7.38
    Was: $8.20
    Transmission fluid leaks are costly problems that compromise performance and reliability. The COMETIC Trans Mainshaft Seal C9356 replaces worn OEM seals with precision-engineered components that...
    09341404
    SKU:
    09341404
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    APPLICATION:
    TRANSMISSION
    UNITS:
    5 PACK
    APPLICATION:
    MAIN DRIVE GEAR
    MATERIAL:
    VITON
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    SEAL
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $7.38
    Was: $8.20
    Subtotal:
  • On Sale
    COMETIC Primary Spacer Gasket C9942F5

    COMETIC Primary Spacer Gasket C9942F5

    COMETIC

    Now: $7.02
    Was: $7.80
    Proper primary spacing is critical for Twin Cam engine reliability and shift quality. The COMETIC Primary Spacer Gasket C9942F5 maintains precise clearances between primary components, preventing...
    09341405
    SKU:
    09341405
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    THICKNESS IMPERIAL:
    0.060'
    THICKNESS:
    1,52 MM (0,060')
    RIDING STYLE:
    STREET
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    WASHER
    THICKNESS METRIC:
    1.52 MM
    TYPE:
    PRIMARY SPACER
    UNITS:
    5 PACK
    Now: $7.02
    Was: $7.80
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $7.02
    Was: $7.80
    Subtotal:
  • On Sale
    COMETIC Cam Cover Gasket - Big Twin C9328F5

    COMETIC Cam Cover Gasket - Big Twin C9328F5

    COMETIC

    Now: $23.94
    Was: $26.60
    A failing cam cover gasket compromises engine sealing and creates oil leaks that compromise both performance and engine longevity. The COMETIC C9328F5 is engineered specifically for Big Twin...
    20111498
    SKU:
    20111498
    Availability:
    Ships Same Business Day
    Weight:
    0.16 LBS
    THICKNESS:
    1,52 MM (0,060')
    UNITS:
    5 PACK
    PRODUCT NAME:
    GASKET
    THICKNESS IMPERIAL:
    0.060'
    RIDING STYLE:
    STREET
    THICKNESS METRIC:
    1.52 MM
    MATERIAL:
    AFM (ALUMINUM FOAM MATERIAL)
    TYPE:
    CAM COVER
    Now: $23.94
    Was: $26.60
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $23.94
    Was: $26.60
    Subtotal:
  • On Sale
    COMETIC Top End Gasket Kit - Buell C10115

    COMETIC Top End Gasket Kit - Buell C10115

    COMETIC

    MSRP: $142.75
    Now: $128.48
    Was: $142.75
    A failed top-end gasket can sideline your engine and compromise reliability when you can't afford downtime. The COMETIC C10115 kit eliminates weak points in your seal integrity with Extreme Sealing...
    09344736
    SKU:
    09344736
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    BORE SIZE:
    3,57'
    BORE SIZE IMPERIAL:
    3.57'
    MATERIAL:
    ALUMINUM
    MATERIAL:
    RUBBER
    MATERIAL:
    STEEL
    MATERIAL:
    VITON
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET KIT
    ENGINE TYPE:
    4-STROKE
    RIDING STYLE:
    STREET
    TYPE:
    TOP END
    MSRP: $142.75
    Now: $128.48
    Was: $142.75
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $142.75
    Now: $128.48
    Was: $142.75
    Subtotal:
  • On Sale
    COMETIC Complete Gasket Kit - Big Twin C10119

    COMETIC Complete Gasket Kit - Big Twin C10119

    COMETIC

    MSRP: $159.55
    Now: $143.60
    Was: $159.55
    A complete gasket failure can sideline your Big Twin engine at the worst possible moment—whether you're on the track or the street. The COMETIC C10119 kit eliminates guesswork by providing every...
    09344738
    SKU:
    09344738
    Availability:
    Ships Same Business Day
    Weight:
    1.10 LBS
    BORE SIZE IMPERIAL:
    3.8125'
    RIDING STYLE:
    STREET
    MATERIAL:
    AFM (ALUMINUM FOAM MATERIAL)
    PRODUCT NAME:
    GASKET KIT
    MATERIAL:
    STEEL
    MATERIAL:
    VITON
    BORE SIZE:
    3,8125'
    TYPE:
    MOTOR
    UNITS:
    KIT
    MSRP: $159.55
    Now: $143.60
    Was: $159.55
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $159.55
    Now: $143.60
    Was: $159.55
    Subtotal:
  • On Sale
    COMETIC Rocker Cover Gaskets - .043" C10008

    COMETIC Rocker Cover Gaskets - .043" C10008

    COMETIC

    MSRP: $30.40
    Now: $27.36
    Was: $30.40
    Rocker cover gaskets are a critical seal in your engine's valve train—any deterioration leads to oil seepage, contamination of spark plugs, and potential performance loss. COMETIC's .043" gaskets use...
    09344646
    SKU:
    09344646
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    THICKNESS METRIC:
    1.09 MM
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    THICKNESS:
    1,09 MM (0,043')
    UNITS:
    PAIR
    MATERIAL:
    GALVANIZED STEEL
    THICKNESS IMPERIAL:
    0,043'
    TYPE:
    ROCKER COVER
    MSRP: $30.40
    Now: $27.36
    Was: $30.40
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $30.40
    Now: $27.36
    Was: $30.40
    Subtotal:
  • On Sale
    COMETIC Rocker Cover Gasket - Big Twin C10008-10

    COMETIC Rocker Cover Gasket - Big Twin C10008-10

    COMETIC

    Now: $75.69
    Was: $84.10
    A leaking rocker cover gasket doesn't just waste oil—it compromises engine cleanliness and can lead to costly damage if ignored. The COMETIC Rocker Cover Gasket delivers a reliable seal that outlasts...
    09344647
    SKU:
    09344647
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    THICKNESS IMPERIAL:
    0,043'
    UNITS:
    10 PACK
    MATERIAL:
    GALVANIZED STEEL
    PRODUCT NAME:
    GASKET
    THICKNESS:
    1,09 MM (0,043')
    TYPE:
    ROCKER COVER
    RIDING STYLE:
    STREET
    THICKNESS METRIC:
    1.09 MM
    Now: $75.69
    Was: $84.10
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $75.69
    Was: $84.10
    Subtotal:
  • On Sale
    COMETIC Primary Gasket C9145F5

    COMETIC Primary Gasket C9145F5

    COMETIC

    Now: $108.45
    Was: $120.50
    A primary gasket is critical to maintaining a sealed, leak-free engine assembly—especially in high-performance applications where internal pressures exceed stock tolerances. COMETIC's C9145F5...
    09341341
    SKU:
    09341341
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    THICKNESS:
    1,52 MM (0,060')
    PRODUCT NAME:
    GASKET
    THICKNESS IMPERIAL:
    0.060'
    MATERIAL:
    AFM (ALUMINUM FOAM MATERIAL)
    MOUNTING POSITION:
    OUTER
    RIDING STYLE:
    STREET
    THICKNESS METRIC:
    1.52 MM
    TYPE:
    PRIMARY
    UNITS:
    5 PACK
    Now: $108.45
    Was: $120.50
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $108.45
    Was: $120.50
    Subtotal:
  • On Sale
    COMETIC Top End Gasket Set - Gas Gas C3261

    COMETIC Top End Gasket Set - Gas Gas C3261

    COMETIC

    MSRP: $56.95
    Now: $51.26
    Was: $56.95
    A failed top-end gasket will strand you on the track or trail, compromising compression and power when you need it most. The COMETIC C3261 Top End Gasket Set delivers the sealing integrity demanded...
    09344128
    SKU:
    09344128
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    KIT
    MSRP: $56.95
    Now: $51.26
    Was: $56.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $56.95
    Now: $51.26
    Was: $56.95
    Subtotal:
  • On Sale
    COMETIC Chain Cover Gasket - XL C9957

    COMETIC Chain Cover Gasket - XL C9957

    COMETIC

    Now: $16.56
    Was: $18.40
    A properly sealed chain cover is critical to preventing oil seepage and maintaining engine cleanliness in high-performance applications. The COMETIC C9957 Chain Cover Gasket uses Aluminum Foamette...
    09340787
    SKU:
    09340787
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    RIDING STYLE:
    STREET
    THICKNESS METRIC:
    1.52 MM
    UNITS:
    5 PACK
    THICKNESS:
    1,52 MM (0,060')
    TYPE:
    INSPECTION COVER
    MATERIAL:
    AFM (ALUMINUM FOAM MATERIAL)
    PRODUCT NAME:
    GASKET
    THICKNESS IMPERIAL:
    0.060'
    Now: $16.56
    Was: $18.40
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $16.56
    Was: $18.40
    Subtotal:
  • On Sale
    COMETIC Top End Gasket - Standard - .030" C9850

    COMETIC Top End Gasket - Standard - .030" C9850

    COMETIC

    MSRP: $142.75
    Now: $128.48
    Was: $142.75
    A quality top-end gasket kit is non-negotiable for reliable engine performance, and the COMETIC C9850 delivers the sealing integrity your rebuild demands. The EST (Extreme Sealing Technology) design...
    09340819
    SKU:
    09340819
    Availability:
    Ships Same Business Day
    Weight:
    0.79 LBS
    ENGINE TYPE:
    4-STROKE
    MATERIAL:
    RUBBER
    MATERIAL:
    STAINLESS STEEL
    THICKNESS IMPERIAL:
    0,030'
    TYPE:
    TOP END
    RIDING STYLE:
    STREET
    THICKNESS METRIC:
    0.76 MM
    BORE SIZE:
    3,500'
    BORE SIZE IMPERIAL:
    3.500'
    PRODUCT NAME:
    GASKET KIT
    UNITS:
    KIT
    MSRP: $142.75
    Now: $128.48
    Was: $142.75
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $142.75
    Now: $128.48
    Was: $142.75
    Subtotal:
  • On Sale
    COMETIC Rocker Gasket - EST - XL C9765

    COMETIC Rocker Gasket - EST - XL C9765

    COMETIC

    MSRP: $65.05
    Now: $58.55
    Was: $65.05
    Rocker box gasket failure leads to oil leaks, contamination, and potential engine damage—problems that compound quickly in high-performance applications. The COMETIC Rocker Gasket - EST - XL C9765...
    DS172077
    SKU:
    DS172077
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    MODEL:
    EST
    MATERIAL:
    STEEL
    PRODUCT NAME:
    GASKET KIT
    UNITS:
    KIT
    RIDING STYLE:
    STREET
    TYPE:
    ROCKER BOX
    MSRP: $65.05
    Now: $58.55
    Was: $65.05
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $65.05
    Now: $58.55
    Was: $65.05
    Subtotal:
  • On Sale
    COMETIC Top End Gasket Kit - XL1200 - EST C9762

    COMETIC Top End Gasket Kit - XL1200 - EST C9762

    COMETIC

    MSRP: $142.75
    Now: $128.48
    Was: $142.75
    Top-end gasket failures can sideline your engine and compromise performance—especially in high-heat applications where standard gaskets can't handle the demands. The COMETIC EST C9762 kit eliminates...
    DS172074
    SKU:
    DS172074
    Availability:
    Ships Same Business Day
    Weight:
    0.63 LBS
    ENGINE TYPE:
    4-STROKE
    PRODUCT NAME:
    GASKET KIT
    TYPE:
    TOP END
    BORE SIZE IMPERIAL:
    3.500'
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    BORE SIZE:
    3,500'
    DISPLACEMENT:
    1200 CC
    MATERIAL:
    RUBBER
    MATERIAL:
    STAINLESS STEEL
    THICKNESS IMPERIAL:
    0,040'
    THICKNESS METRIC:
    1.02 MM
    MSRP: $142.75
    Now: $128.48
    Was: $142.75
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $142.75
    Now: $128.48
    Was: $142.75
    Subtotal:
  • On Sale
    COMETIC Rocker Gasket - EST - Big Twin C9752

    COMETIC Rocker Gasket - EST - Big Twin C9752

    COMETIC

    MSRP: $65.05
    Now: $58.55
    Was: $65.05
    Rocker box gasket failures lead to oil seepage, loss of compression integrity, and costly engine downtime. The COMETIC Rocker Gasket kit eliminates guesswork by bundling all necessary seals and...
    DS172064
    SKU:
    DS172064
    Availability:
    Ships Same Business Day
    Weight:
    0.38 LBS
    MODEL:
    EST
    TYPE:
    ROCKER BOX
    MATERIAL:
    STEEL
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    MSRP: $65.05
    Now: $58.55
    Was: $65.05
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $65.05
    Now: $58.55
    Was: $65.05
    Subtotal:
  • On Sale
    COMETIC Copper Base Gasket - Big Twin C9029

    COMETIC Copper Base Gasket - Big Twin C9029

    COMETIC

    MSRP: $28.30
    Now: $25.47
    Was: $28.30
    A cylinder base gasket is your first line of defense against compression loss and oil seepage—two issues that degrade engine performance and reliability. The Cometic Copper Base Gasket C9029 delivers...
    DS172055
    SKU:
    DS172055
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    MATERIAL:
    COPPER
    RIDING STYLE:
    STREET
    BORE SIZE IMPERIAL:
    STANDARD
    PRODUCT NAME:
    GASKET
    THICKNESS:
    0,41 MM (0,016')
    THICKNESS IMPERIAL:
    0.016'
    UNITS:
    PAIR
    TYPE:
    CYLINDER BASE
    THICKNESS METRIC:
    0.41 MM
    MSRP: $28.30
    Now: $25.47
    Was: $28.30
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $28.30
    Now: $25.47
    Was: $28.30
    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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