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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 Foot Peg Stud Gasket C9401

    COMETIC Foot Peg Stud Gasket C9401

    COMETIC

    Now: $9.18
    Was: $10.20
    Foot peg studs are a high-wear point in any racing application—repeated vibration, thermal cycling, and load stress can compromise gasket integrity and lead to oil seepage. The COMETIC C9401 is a...
    09350233
    SKU:
    09350233
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    RIDING STYLE:
    STREET
    THICKNESS:
    0,025'
    THICKNESS IMPERIAL:
    0.025'
    MATERIAL:
    VULCANIZED
    TYPE:
    SHIFTER STUD BOSS
    UNITS:
    10 PACK
    MATERIAL:
    RUBBER
    PRODUCT NAME:
    GASKET
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $9.18
    Was: $10.20
    Subtotal:
  • On Sale
    COMETIC Head Gasket - .04"- Evo - 3.5" C9689

    COMETIC Head Gasket - .04"- Evo - 3.5" C9689

    COMETIC

    MSRP: $61.90
    Now: $55.71
    Was: $61.90
    A quality head gasket is the foundation of cylinder head sealing—failure here means catastrophic engine damage. The COMETIC C9689 MLS design delivers the precision bore control and load consistency...
    DS172087
    SKU:
    DS172087
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    BORE SIZE IMPERIAL:
    3.500'
    RIDING STYLE:
    STREET
    THICKNESS METRIC:
    1.02 MM
    UNITS:
    PAIR
    BORE SIZE:
    3,500'
    PRODUCT NAME:
    GASKET
    THICKNESS:
    1,02 MM (0,040')
    TYPE:
    CYLINDER HEAD
    MATERIAL:
    LAYERED STEEL
    THICKNESS IMPERIAL:
    0,040'
    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 Rocker Gasket - EST - XL C9764

    COMETIC Rocker Gasket - EST - XL C9764

    COMETIC

    MSRP: $65.05
    Now: $58.55
    Was: $65.05
    Rocker box gaskets experience constant thermal cycling and oil exposure, making them prone to failure and costly leaks if not properly sealed. The COMETIC Rocker Gasket EST XL C9764 delivers a...
    DS172076
    SKU:
    DS172076
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    UNITS:
    KIT
    MATERIAL:
    STEEL
    PRODUCT NAME:
    GASKET KIT
    MODEL:
    EST
    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 C9763

    COMETIC Top End Gasket Kit - XL1200 - EST C9763

    COMETIC

    MSRP: $142.75
    Now: $128.48
    Was: $142.75
    A top-end rebuild demands gaskets engineered to handle extreme combustion pressures and temperature cycling without compromise. The COMETIC EST C9763 kit eliminates the risk of catastrophic gasket...
    DS172075
    SKU:
    DS172075
    Availability:
    Ships Same Business Day
    Weight:
    0.69 LBS
    BORE SIZE:
    3,500'
    DISPLACEMENT:
    1200 CC
    MATERIAL:
    RUBBER
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    3.500'
    RIDING STYLE:
    STREET
    ENGINE TYPE:
    4-STROKE
    TYPE:
    TOP END
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    GASKET KIT
    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 Top End Gasket Kit - XL1100 - EST C9761

    COMETIC Top End Gasket Kit - XL1100 - EST C9761

    COMETIC

    MSRP: $142.75
    Now: $128.48
    Was: $142.75
    A top-end rebuild demands gasket integrity that won't compromise under sustained combustion pressures and thermal cycling. COMETIC's EST (Extreme Sealing Technology) kit eliminates hot spots and...
    DS172073
    SKU:
    DS172073
    Availability:
    Ships Same Business Day
    Weight:
    0.69 LBS
    MATERIAL:
    STAINLESS STEEL
    THICKNESS METRIC:
    0.51 MM
    BORE SIZE:
    3,350'
    DISPLACEMENT:
    1100 CC
    MATERIAL:
    RUBBER
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    3.350'
    ENGINE TYPE:
    4-STROKE
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    STREET
    TYPE:
    TOP END
    THICKNESS IMPERIAL:
    0,020'
    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 Top End Gasket Kit - XL883 - EST C9760

    COMETIC Top End Gasket Kit - XL883 - EST C9760

    COMETIC

    MSRP: $142.75
    Now: $128.48
    Was: $142.75
    A top-end rebuild demands precision sealing to prevent combustion gas leakage and coolant loss—failures that compromise power delivery and engine longevity. COMETIC's EST gasket kit eliminates hot...
    DS172072
    SKU:
    DS172072
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    BORE SIZE IMPERIAL:
    3.000'
    DISPLACEMENT:
    883 CC
    ENGINE TYPE:
    4-STROKE
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    STREET
    BORE SIZE:
    3,000'
    MATERIAL:
    RUBBER
    TYPE:
    TOP END
    UNITS:
    KIT
    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 C9753

    COMETIC Rocker Gasket - EST - Big Twin C9753

    COMETIC

    MSRP: $65.05
    Now: $58.55
    Was: $65.05
    Rocker box gasket failures lead to oil leaks, engine contamination, and costly downtime—especially on high-mileage or frequently serviced Big Twin motors. The COMETIC Rocker Gasket EST (C9753)...
    DS172065
    SKU:
    DS172065
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    UNITS:
    KIT
    MATERIAL:
    STEEL
    PRODUCT NAME:
    GASKET KIT
    MODEL:
    EST
    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 Rocker Box Gasket - XL C9066

    COMETIC Rocker Box Gasket - XL C9066

    COMETIC

    MSRP: $47.20
    Now: $42.48
    Was: $47.20
    Rocker box gaskets are critical sealing points in any engine—failure here means oil leakage, contamination, and potential engine damage. The COMETIC Rocker Box Gasket Kit (C9066) eliminates guesswork...
    DS172059
    SKU:
    DS172059
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    MODEL:
    EST
    RIDING STYLE:
    STREET
    TYPE:
    ROCKER BOX
    MATERIAL:
    PAPER
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET KIT
    MSRP: $47.20
    Now: $42.48
    Was: $47.20
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $47.20
    Now: $42.48
    Was: $47.20
    Subtotal:
  • On Sale
    COMETIC Rocker Box Gasket C9078

    COMETIC Rocker Box Gasket C9078

    COMETIC

    MSRP: $47.20
    Now: $42.48
    Was: $47.20
    Rocker box gasket failure compromises engine sealing and invites oil leakage that accelerates wear on critical valve train components. The COMETIC C9078 delivers OEM-grade sealing with premium...
    DS172057
    SKU:
    DS172057
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    MODEL:
    EST
    TYPE:
    ROCKER BOX
    MATERIAL:
    PAPER
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET KIT
    MSRP: $47.20
    Now: $42.48
    Was: $47.20
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $47.20
    Now: $42.48
    Was: $47.20
    Subtotal:
  • On Sale
    COMETIC Base Gasket 3-5/8" - EVO/XL C9555

    COMETIC Base Gasket 3-5/8" - EVO/XL C9555

    COMETIC

    MSRP: $33.55
    Now: $30.20
    Was: $33.55
    A properly sealed cylinder base is non-negotiable for reliable horsepower and engine longevity. The COMETIC C9555 delivers a precision gasket engineered to withstand the combustion pressures and...
    DS172054
    SKU:
    DS172054
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    MATERIAL:
    STEEL
    MATERIAL:
    VITON
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    UNITS:
    PAIR
    BORE SIZE IMPERIAL:
    3.625'
    THICKNESS:
    0,51 MM (0,020')
    THICKNESS IMPERIAL:
    0,020'
    THICKNESS METRIC:
    0.51 MM
    TYPE:
    CYLINDER BASE
    MSRP: $33.55
    Now: $30.20
    Was: $33.55
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $33.55
    Now: $30.20
    Was: $33.55
    Subtotal:
  • On Sale
    COMETIC Metal Base Gasket - EVO/XL C9553

    COMETIC Metal Base Gasket - EVO/XL C9553

    COMETIC

    MSRP: $33.55
    Now: $30.20
    Was: $33.55
    A failed base gasket doesn't just leak—it compromises your engine's structural integrity and forces oil past critical sealing surfaces. The COMETIC Metal Base Gasket C9553 is engineered to handle the...
    DS172053
    SKU:
    DS172053
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    BORE SIZE IMPERIAL:
    STANDARD
    RIDING STYLE:
    STREET
    THICKNESS:
    0,51 MM (0,020')
    UNITS:
    PAIR
    MATERIAL:
    STEEL
    MATERIAL:
    VITON
    PRODUCT NAME:
    GASKET
    THICKNESS METRIC:
    0.51 MM
    TYPE:
    CYLINDER BASE
    THICKNESS IMPERIAL:
    0,020'
    MSRP: $33.55
    Now: $30.20
    Was: $33.55
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $33.55
    Now: $30.20
    Was: $33.55
    Subtotal:
  • On Sale
    COMETIC Base Gasket - 3-5/8" - EVO/Big Twin C9552

    COMETIC Base Gasket - 3-5/8" - EVO/Big Twin C9552

    COMETIC

    MSRP: $33.55
    Now: $30.20
    Was: $33.55
    A properly sealed cylinder base is non-negotiable for reliable engine performance and longevity. The COMETIC C9552 base gasket delivers OEM-quality sealing on your EVO or Big Twin, preventing coolant...
    DS172052
    SKU:
    DS172052
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    BORE SIZE IMPERIAL:
    3.625'
    THICKNESS:
    0,51 MM (0,020')
    THICKNESS IMPERIAL:
    0,020'
    MATERIAL:
    STEEL
    THICKNESS METRIC:
    0.51 MM
    TYPE:
    CYLINDER BASE
    PRODUCT NAME:
    GASKET
    UNITS:
    PAIR
    RIDING STYLE:
    STREET
    MSRP: $33.55
    Now: $30.20
    Was: $33.55
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $33.55
    Now: $30.20
    Was: $33.55
    Subtotal:
  • On Sale
    COMETIC Metal Base Gasket - Big Twin C9551

    COMETIC Metal Base Gasket - Big Twin C9551

    COMETIC

    MSRP: $33.55
    Now: $30.20
    Was: $33.55
    A quality base gasket is critical to maintaining cylinder seal integrity and preventing oil leakage that compromises performance and engine longevity. The COMETIC Metal Base Gasket C9551 delivers the...
    DS172051
    SKU:
    DS172051
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    BORE SIZE IMPERIAL:
    3.500'
    MATERIAL:
    STEEL
    PRODUCT NAME:
    GASKET
    UNITS:
    PAIR
    THICKNESS METRIC:
    0.51 MM
    TYPE:
    CYLINDER BASE
    THICKNESS:
    0,51 MM (0,020')
    THICKNESS IMPERIAL:
    0,020'
    RIDING STYLE:
    STREET
    MSRP: $33.55
    Now: $30.20
    Was: $33.55
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $33.55
    Now: $30.20
    Was: $33.55
    Subtotal:
  • On Sale
    COMETIC Copper Base Gasket - XL C9025

    COMETIC Copper Base Gasket - XL C9025

    COMETIC

    MSRP: $17.80
    Now: $16.02
    Was: $17.80
    A quality head gasket is the foundation of reliable cylinder sealing—without it, you're risking compression loss, coolant leaks, and catastrophic engine failure. The COMETIC Copper Base Gasket...
    DS172050
    SKU:
    DS172050
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    THICKNESS IMPERIAL:
    0,020'
    THICKNESS METRIC:
    0.51 MM
    TYPE:
    CYLINDER BASE
    MATERIAL:
    COPPER
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    GASKET
    UNITS:
    EACH
    MSRP: $17.80
    Now: $16.02
    Was: $17.80
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $17.80
    Now: $16.02
    Was: $17.80
    Subtotal:
  • On Sale
    COMETIC Left Rocker Box Gasket - Big Twin C9562

    COMETIC Left Rocker Box Gasket - Big Twin C9562

    COMETIC

    Now: $18.09
    Was: $20.10
    Rocker box gasket failures can lead to oil seepage, engine contamination, and costly downtime. The COMETIC Left Rocker Box Gasket (C9562) is engineered with a stainless steel core and precision Viton...
    DS172048
    SKU:
    DS172048
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    GASKET
    THICKNESS IMPERIAL:
    0,010'
    TYPE:
    ROCKER COVER
    UNITS:
    5 PACK
    MATERIAL:
    VITON
    MOUNTING POSITION:
    LEFT
    THICKNESS:
    0,25 MM (0,010')
    THICKNESS METRIC:
    0.25 MM
    Now: $18.09
    Was: $20.10
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $18.09
    Was: $20.10
    Subtotal:
  • On Sale
    COMETIC Derby O-Ring C9442

    COMETIC Derby O-Ring C9442

    COMETIC

    Now: $12.33
    Was: $13.70
    Seal integrity is everything when you're pushing your engine to the limit. The COMETIC Derby O-Ring C9442 delivers the durability and chemical resistance your high-performance application demands,...
    DS172019
    SKU:
    DS172019
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    MATERIAL:
    NITRILE RUBBER
    UNITS:
    10 PACK
    PRODUCT NAME:
    O-RING
    RIDING STYLE:
    STREET
    APPLICATION:
    DERBY COVER
    Now: $12.33
    Was: $13.70
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $12.33
    Was: $13.70
    Subtotal:
  • On Sale
    COMETIC Rocker Box Gasket Kit - Twin Cam C9588

    COMETIC Rocker Box Gasket Kit - Twin Cam C9588

    COMETIC

    MSRP: $46.15
    Now: $41.54
    Was: $46.15
    When you're servicing your Twin Cam rocker boxes, using OEM gaskets leaves you vulnerable to repeat failures and costly downtime. The COMETIC Rocker Box Gasket Kit C9588 eliminates guesswork by...
    DS172013
    SKU:
    DS172013
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    STREET
    MATERIAL:
    STEEL
    TYPE:
    ROCKER BOX
    MODEL:
    EST
    UNITS:
    KIT
    MSRP: $46.15
    Now: $41.54
    Was: $46.15
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $46.15
    Now: $41.54
    Was: $46.15
    Subtotal:
  • On Sale
    COMETIC Right Lower Rocker Box Gasket C9560

    COMETIC Right Lower Rocker Box Gasket C9560

    COMETIC

    Now: $15.21
    Was: $16.90
    Rocker box gasket failure leads to oil leakage, increased blowby, and potential engine damage—especially critical in high-performance applications where seal integrity directly impacts reliability...
    DS172004
    SKU:
    DS172004
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    THICKNESS IMPERIAL:
    0,010'
    TYPE:
    ROCKER COVER
    UNITS:
    5 PACK
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    MATERIAL:
    VITON
    MOUNTING POSITION:
    LOWER
    THICKNESS:
    0,25 MM (0,010')
    THICKNESS METRIC:
    0.25 MM
    Now: $15.21
    Was: $16.90
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $15.21
    Was: $16.90
    Subtotal:
  • On Sale
    COMETIC Street Gasket C8264

    COMETIC Street Gasket C8264

    COMETIC

    MSRP: $24.95
    Now: $22.46
    Was: $24.95
    A leaking valve cover gasket will compromise your engine's reliability and create a mess in your engine bay. The COMETIC Street Gasket C8264 delivers OEM-quality sealing at a fraction of the cost,...
    C8264X
    SKU:
    C8264X
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    MATERIAL:
    FIBER
    PRODUCT NAME:
    GASKET
    THICKNESS METRIC:
    1.19 MM
    UNITS:
    EACH
    MODEL:
    HI-PERFORMANCE
    RIDING STYLE:
    STREET
    THICKNESS IMPERIAL:
    0,047'
    TYPE:
    VALVE COVER
    MSRP: $24.95
    Now: $22.46
    Was: $24.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $24.95
    Now: $22.46
    Was: $24.95
    Subtotal:
  • On Sale
    COMETIC Street Gasket C8263

    COMETIC Street Gasket C8263

    COMETIC

    MSRP: $24.95
    Now: $22.46
    Was: $24.95
    A leaking valve cover gasket compromises engine cleanliness and creates unnecessary maintenance headaches. The COMETIC Street Gasket C8263 delivers OEM-quality sealing performance at a fraction of...
    C8263X
    SKU:
    C8263X
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    THICKNESS METRIC:
    1.19 MM
    TYPE:
    VALVE COVER
    UNITS:
    EACH
    MODEL:
    HI-PERFORMANCE
    MATERIAL:
    FIBER
    RIDING STYLE:
    STREET
    THICKNESS IMPERIAL:
    0,047'
    PRODUCT NAME:
    GASKET
    MSRP: $24.95
    Now: $22.46
    Was: $24.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $24.95
    Now: $22.46
    Was: $24.95
    Subtotal:
  • On Sale
    COMETIC Street Gasket C8213

    COMETIC Street Gasket C8213

    COMETIC

    MSRP: $24.95
    Now: $22.46
    Was: $24.95
    Valve cover gaskets are critical sealing components that prevent oil leakage and contamination of your engine bay. A failed or deteriorating gasket can compromise engine cleanliness, affect...
    C8213
    SKU:
    C8213
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    TYPE:
    VALVE COVER
    MATERIAL:
    FIBER
    THICKNESS IMPERIAL:
    0,047'
    THICKNESS METRIC:
    1.19 MM
    UNITS:
    EACH
    MODEL:
    HI-PERFORMANCE
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    MSRP: $24.95
    Now: $22.46
    Was: $24.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $24.95
    Now: $22.46
    Was: $24.95
    Subtotal:
  • On Sale
    COMETIC Street Gasket C8212

    COMETIC Street Gasket C8212

    COMETIC

    MSRP: $24.95
    Now: $22.46
    Was: $24.95
    A leaking valve cover gasket will compromise your engine's cleanliness and cost you money in lost oil and potential damage to surrounding components. The COMETIC Street Gasket C8212 delivers...
    C8212
    SKU:
    C8212
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    MODEL:
    HI-PERFORMANCE
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    THICKNESS METRIC:
    1.19 MM
    TYPE:
    VALVE COVER
    UNITS:
    EACH
    MATERIAL:
    FIBER
    THICKNESS IMPERIAL:
    0,047'
    MSRP: $24.95
    Now: $22.46
    Was: $24.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $24.95
    Now: $22.46
    Was: $24.95
    Subtotal:
  • On Sale
    COMETIC Street Gasket C8093

    COMETIC Street Gasket C8093

    COMETIC

    MSRP: $16.95
    Now: $15.26
    Was: $16.95
    A quality head gasket is the foundation of engine reliability and performance—without proper sealing, you're compromising compression, inviting coolant leaks, and risking catastrophic engine failure...
    C8093
    SKU:
    C8093
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    DISPLACEMENT:
    1000 CC - 1100 CC
    MODEL:
    HI-PERFORMANCE
    THICKNESS IMPERIAL:
    0,020'
    THICKNESS METRIC:
    0.51 MM
    MATERIAL:
    FIBER
    TYPE:
    CYLINDER BASE
    UNITS:
    EACH
    MSRP: $16.95
    Now: $15.26
    Was: $16.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $16.95
    Now: $15.26
    Was: $16.95
    Subtotal:
  • On Sale
    COMETIC Street Gasket Kit C8073

    COMETIC Street Gasket Kit C8073

    COMETIC

    MSRP: $20.95
    Now: $18.86
    Was: $20.95
    A complete gasket and seal kit is essential for any engine rebuild or major service—it's your insurance against oil leaks, coolant seepage, and loss of compression that can compromise performance and...
    C8073
    SKU:
    C8073
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    MODEL:
    HI-PERFORMANCE
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    STREET
    TYPE:
    ENGINE CASE REBUILD
    UNITS:
    KIT
    MSRP: $20.95
    Now: $18.86
    Was: $20.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $20.95
    Now: $18.86
    Was: $20.95
    Subtotal:
  • On Sale
    COMETIC Street Gasket Kit C8072

    COMETIC Street Gasket Kit C8072

    COMETIC

    MSRP: $45.95
    Now: $41.36
    Was: $45.95
    A complete gasket and seal kit is fundamental to maintaining combustion integrity and preventing fluid leaks across your engine's critical sealing surfaces. The COMETIC Street Gasket Kit C8072...
    C8072
    SKU:
    C8072
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET KIT
    TYPE:
    ENGINE CASE REBUILD
    MODEL:
    HI-PERFORMANCE
    RIDING STYLE:
    STREET
    MSRP: $45.95
    Now: $41.36
    Was: $45.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $45.95
    Now: $41.36
    Was: $45.95
    Subtotal:
  • On Sale
    COMETIC Street Gasket C8018

    COMETIC Street Gasket C8018

    COMETIC

    MSRP: $67.95
    Now: $61.16
    Was: $67.95
    A quality gasket is the foundation of a leak-free engine seal, and the COMETIC Street Gasket C8018 delivers the reliability you need across demanding street and performance applications. This U.S...
    C8018
    SKU:
    C8018
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    BORE SIZE:
    72,00 MM
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    THICKNESS METRIC:
    1.09 MM
    UNITS:
    EACH
    DISPLACEMENT:
    1075 CC
    MATERIAL:
    FIBER
    THICKNESS IMPERIAL:
    0,043'
    BORE SIZE METRIC:
    72.00 MM
    FEATURES:
    WITH NO DOWEL PINS
    TYPE:
    CYLINDER HEAD
    MSRP: $67.95
    Now: $61.16
    Was: $67.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $67.95
    Now: $61.16
    Was: $67.95
    Subtotal:
  • On Sale
    COMETIC Street Gasket C8001

    COMETIC Street Gasket C8001

    COMETIC

    MSRP: $67.95
    Now: $61.16
    Was: $67.95
    Head gasket failures compromise engine integrity and can derail your race schedule or weekend project. The COMETIC Street Gasket C8001 delivers reliable sealing across diverse operating...
    C8001X
    SKU:
    C8001X
    Availability:
    Ships Same Business Day
    Weight:
    0.26 LBS
    DISPLACEMENT:
    811 CC - 836 CC
    FEATURES:
    WITH NO DOWEL PINS
    MATERIAL:
    GALVANIZED STEEL
    THICKNESS IMPERIAL:
    0,043'
    BORE SIZE METRIC:
    65.00 MM
    TYPE:
    CYLINDER HEAD
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    THICKNESS METRIC:
    1.09 MM
    BORE SIZE:
    65,00 MM
    UNITS:
    EACH
    MSRP: $67.95
    Now: $61.16
    Was: $67.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $67.95
    Now: $61.16
    Was: $67.95
    Subtotal:
  • On Sale
    COMETIC Top End Gasket Set - YZ250 C7855

    COMETIC Top End Gasket Set - YZ250 C7855

    COMETIC

    MSRP: $47.95
    Now: $43.16
    Was: $47.95
    A degraded top end gasket set compromises combustion chamber sealing, leading to compression loss and power leaks—especially critical on high-revving 2-strokes where ring seal directly impacts...
    C7855
    SKU:
    C7855
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    ENGINE TYPE:
    4-STROKE
    PRODUCT NAME:
    GASKET KIT
    UNITS:
    KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    MSRP: $47.95
    Now: $43.16
    Was: $47.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $47.95
    Now: $43.16
    Was: $47.95
    Subtotal:
  • On Sale
    COMETIC Top End Gasket Set - Kawasaki C7392

    COMETIC Top End Gasket Set - Kawasaki C7392

    COMETIC

    MSRP: $44.95
    Now: $40.46
    Was: $44.95
    A failed top-end gasket will cost you more than money—it'll cost you race days and reliability. The COMETIC C7392 gasket set is engineered with multi-layered steel construction and proprietary Viton...
    C7392
    SKU:
    C7392
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    OFF-ROAD
    BORE SIZE METRIC:
    53.00 MM
    PRODUCT NAME:
    GASKET KIT
    TYPE:
    TOP END
    UNITS:
    KIT
    MSRP: $44.95
    Now: $40.46
    Was: $44.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $44.95
    Now: $40.46
    Was: $44.95
    Subtotal:
  • On Sale
    COMETIC Top End Gasket Set - Banshee C7316

    COMETIC Top End Gasket Set - Banshee C7316

    COMETIC

    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    A failing top-end gasket will kill your engine's power output and reliability. The COMETIC C7316 ensures proper combustion sealing with multi-layered steel construction and Viton rubber coating,...
    C7316
    SKU:
    C7316
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    BORE SIZE METRIC:
    68.00 MM
    TYPE:
    TOP END
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    ATV
    UNITS:
    KIT
    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    Subtotal:
  • On Sale
    COMETIC Gasket Set - XR400 C7279

    COMETIC Gasket Set - XR400 C7279

    COMETIC

    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    A quality gasket set is non-negotiable for top-end reliability, especially when you're pushing your XR400 to higher outputs. The COMETIC C7279 keeps combustion pressures sealed and heat managed,...
    C7279
    SKU:
    C7279
    Availability:
    Ships Same Business Day
    Weight:
    0.14 LBS
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    ATV
    BORE SIZE METRIC:
    86.00 MM
    TYPE:
    TOP END
    UNITS:
    KIT
    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    Subtotal:
  • On Sale
    COMETIC Gasket Set - YFZ350 C7275

    COMETIC Gasket Set - YFZ350 C7275

    COMETIC

    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    A quality gasket set is non-negotiable for top-end rebuilds on high-output engines—improper sealing leads to compression loss, oil weeping, and catastrophic failures. The COMETIC C7275 delivers the...
    C7275
    SKU:
    C7275
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    BORE SIZE METRIC:
    66.50 MM
    TYPE:
    TOP END
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    ATV
    UNITS:
    KIT
    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    Subtotal:
  • On Sale
    COMETIC Gasket Set - TRX200 C7222

    COMETIC Gasket Set - TRX200 C7222

    COMETIC

    MSRP: $31.95
    Now: $28.76
    Was: $31.95
    A quality gasket set is foundational to reliable engine sealing and peak performance—especially when running elevated boost or naturally aspirated high-horsepower builds. The COMETIC C7222 is...
    C7222
    SKU:
    C7222
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    THICKNESS IMPERIAL:
    0,012'
    THICKNESS METRIC:
    0.31 MM
    TYPE:
    TOP END
    BORE SIZE METRIC:
    67.00 MM
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    ATV
    UNITS:
    KIT
    MSRP: $31.95
    Now: $28.76
    Was: $31.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $31.95
    Now: $28.76
    Was: $31.95
    Subtotal:
  • On Sale
    COMETIC Gasket Set - TT600 C7213

    COMETIC Gasket Set - TT600 C7213

    COMETIC

    MSRP: $36.95
    Now: $33.26
    Was: $36.95
    High-output engines demand gasket integrity that matches their power output—and standard gaskets simply can't keep up with modern boost levels and cylinder pressures. The COMETIC Gasket Set TT600...
    C7213
    SKU:
    C7213
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    BORE SIZE METRIC:
    97.00 MM
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TYPE:
    TOP END
    RIDING STYLE:
    ATV
    UNITS:
    KIT
    MSRP: $36.95
    Now: $33.26
    Was: $36.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $36.95
    Now: $33.26
    Was: $36.95
    Subtotal:
  • On Sale
    COMETIC Top End Gasket Set - Honda C7116

    COMETIC Top End Gasket Set - Honda C7116

    COMETIC

    MSRP: $47.95
    Now: $43.16
    Was: $47.95
    A quality top-end gasket set is non-negotiable for any engine rebuild or performance upgrade—gasket failure under high boost or sustained high RPM will compromise compression, leak coolant, and cost...
    C7116
    SKU:
    C7116
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    BORE SIZE METRIC:
    68.50 MM
    THICKNESS IMPERIAL:
    0,012'
    THICKNESS METRIC:
    0.31 MM
    TYPE:
    TOP END
    PRODUCT NAME:
    GASKET KIT
    UNITS:
    KIT
    RIDING STYLE:
    OFF-ROAD
    MSRP: $47.95
    Now: $43.16
    Was: $47.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $47.95
    Now: $43.16
    Was: $47.95
    Subtotal:
  • On Sale
    COMETIC Top End Gasket Set - Yamaha C7096

    COMETIC Top End Gasket Set - Yamaha C7096

    COMETIC

    MSRP: $36.95
    Now: $33.26
    Was: $36.95
    A quality top-end gasket set is critical to maintaining compression and preventing coolant or oil seepage—especially when you're running high boost or pushing naturally aspirated limits. The COMETIC...
    C7096
    SKU:
    C7096
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    BORE SIZE METRIC:
    84.00 MM
    UNITS:
    KIT
    TYPE:
    TOP END
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    ATV
    MSRP: $36.95
    Now: $33.26
    Was: $36.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $36.95
    Now: $33.26
    Was: $36.95
    Subtotal:
  • On Sale
    COMETIC Top End Gasket Set - Yamaha C7094

    COMETIC Top End Gasket Set - Yamaha C7094

    COMETIC

    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    A quality top-end gasket set is critical to maintaining cylinder pressure and preventing coolant or oil seepage that compromises performance and reliability. The COMETIC C7094 is engineered...
    C7094
    SKU:
    C7094
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    ATV
    BORE SIZE METRIC:
    65.50 MM
    TYPE:
    TOP END
    UNITS:
    KIT
    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    Subtotal:
  • On Sale
    COMETIC Top End Gasket Set - Suzuki C7071

    COMETIC Top End Gasket Set - Suzuki C7071

    COMETIC

    MSRP: $47.95
    Now: $43.16
    Was: $47.95
    A failing top-end gasket will compromise combustion sealing and cost you horsepower—or worse, leave you stranded. The COMETIC C7071 gasket set eliminates guesswork with factory-correct fitment and...
    C7071
    SKU:
    C7071
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    GASKET KIT
    TYPE:
    TOP END
    BORE SIZE METRIC:
    69.00 MM
    RIDING STYLE:
    ATV
    UNITS:
    KIT
    MSRP: $47.95
    Now: $43.16
    Was: $47.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $47.95
    Now: $43.16
    Was: $47.95
    Subtotal:
  • On Sale
    COMETIC Top End Gasket Set - Kawasaki C7047

    COMETIC Top End Gasket Set - Kawasaki C7047

    COMETIC

    MSRP: $52.95
    Now: $47.66
    Was: $52.95
    A failing top-end gasket set compromises combustion chamber sealing, reduces ring seal effectiveness, and invites catastrophic engine damage. The COMETIC C7047 eliminates these risks with...
    C7047
    SKU:
    C7047
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    TYPE:
    TOP END
    BORE SIZE METRIC:
    88.00 MM
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $52.95
    Now: $47.66
    Was: $52.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $52.95
    Now: $47.66
    Was: $52.95
    Subtotal:
  • On Sale
    COMETIC Top End Gasket Set - Honda C7020

    COMETIC Top End Gasket Set - Honda C7020

    COMETIC

    MSRP: $51.95
    Now: $46.76
    Was: $51.95
    A compromised top end gasket is a silent killer of engine performance and reliability. The COMETIC C7020 gasket set eliminates the guesswork with precision-engineered components designed to handle...
    C7020
    SKU:
    C7020
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    THICKNESS IMPERIAL:
    0,012'
    TYPE:
    TOP END
    BORE SIZE METRIC:
    91.00 MM
    PRODUCT NAME:
    GASKET KIT
    THICKNESS METRIC:
    0.31 MM
    MSRP: $51.95
    Now: $46.76
    Was: $51.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $51.95
    Now: $46.76
    Was: $51.95
    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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