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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 O-Ring C10208

    COMETIC O-Ring C10208

    COMETIC

    Now: $8.00
    Was: $9.00
    Proper sealing is non-negotiable in high-performance applications, and the COMETIC O-Ring C10208 delivers the precision fit your engine demands. Whether you're rebuilding a race engine or maintaining...
    09350997
    SKU:
    09350997
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    APPLICATION:
    CRANKCASE
    PRODUCT NAME:
    O-RING
    RIDING STYLE:
    STREET
    UNITS:
    10 PACK
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $8.00
    Was: $9.00
    Subtotal:
  • On Sale
    COMETIC Head Gasket - .043" C9239

    COMETIC Head Gasket - .043" C9239

    COMETIC

    MSRP: $56.65
    Now: $53.00
    Was: $56.65
    A head gasket failure can mean catastrophic engine damage—and the COMETIC C9239 is engineered to prevent that. This multi-layer steel gasket distributes clamping load evenly across the sealing...
    09350397
    SKU:
    09350397
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MATERIAL:
    CFM
    PRODUCT NAME:
    GASKET
    THICKNESS IMPERIAL:
    0.043'
    UNITS:
    PAIR
    RIDING STYLE:
    STREET
    THICKNESS:
    0,043'
    TYPE:
    CYLINDER HEAD
    MSRP: $56.65
    Now: $53.00
    Was: $56.65
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $56.65
    Now: $53.00
    Was: $56.65
    Subtotal:
  • COMETIC Starter O-Ring - Big Twin C9433F1

    COMETIC Starter O-Ring - Big Twin C9433F1

    COMETIC

    $5.00
    A failing starter O-ring can leave you stranded, and OEM replacements often degrade under heat and fuel exposure. The COMETIC Starter O-Ring for Big Twin engines eliminates this weak point with a...
    09350850
    SKU:
    09350850
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    APPLICATION:
    STARTER HOUSING
    UNITS:
    EACH
    MATERIAL:
    BUNA RUBBER
    PRODUCT NAME:
    O-RING
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $5.00
    Subtotal:
  • On Sale
    COMETIC Line Sleeve Oil Seal C9365

    COMETIC Line Sleeve Oil Seal C9365

    COMETIC

    Now: $7.00
    Was: $7.20
    Oil seals are critical barriers that prevent fluid loss and contamination in high-performance engines—a single failure can compromise your entire drivetrain. The COMETIC Line Sleeve Oil Seal C9365 is...
    09350828
    SKU:
    09350828
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MATERIAL:
    VITON
    RIDING STYLE:
    STREET
    APPLICATION:
    OIL LINE
    PRODUCT NAME:
    SEAL
    UNITS:
    10 PACK
    Now: $7.00
    Was: $7.20
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $7.00
    Was: $7.20
    Subtotal:
  • COMETIC Clutch Gear Seal C9368-1

    COMETIC Clutch Gear Seal C9368-1

    COMETIC

    $6.00
    Clutch gear seals are a critical point of failure in high-performance engines—improper sealing leads to fluid weepage, contamination, and premature clutch wear. The COMETIC C9368-1 is engineered to...
    09350831
    SKU:
    09350831
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    SEAL
    UNITS:
    EACH
    RIDING STYLE:
    STREET
    TYPE:
    OIL
    APPLICATION:
    CLUTCH GEAR
    MATERIAL:
    VITON
    Qty in Cart: 0
    Quantity:
    Price:
    $6.00
    Subtotal:
  • COMETIC Clutch Hub Seal C9371-1

    COMETIC Clutch Hub Seal C9371-1

    COMETIC

    $7.00
    Clutch hub seals are critical to maintaining hydraulic integrity in your clutch system—a failure here means fluid loss, air intrusion, and immediate loss of clutch actuation. The COMETIC C9371-1...
    09350834
    SKU:
    09350834
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    APPLICATION:
    CLUTCH HUB
    PRODUCT NAME:
    SEAL
    UNITS:
    EACH
    INSIDE DIAMETER METRIC:
    33 MM
    RIDING STYLE:
    STREET
    MATERIAL:
    VITON
    OUTSIDE DIAMETER METRIC:
    47 MM
    THICKNESS METRIC:
    7 MM
    $7.00
    Qty in Cart: 0
    Quantity:
    Price:
    $7.00
    Subtotal:
  • On Sale
    COMETIC Engine Crankcase Seal C9682

    COMETIC Engine Crankcase Seal C9682

    COMETIC

    Now: $46.00
    Was: $49.20
    Engine crankcase seals are critical to preventing oil seepage that compromises performance and creates maintenance headaches. The COMETIC C9682 delivers reliable, long-term sealing without...
    09350374
    SKU:
    09350374
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    RIDING STYLE:
    STREET
    APPLICATION:
    CRANKCASE
    MATERIAL:
    VITON
    UNITS:
    10 PACK
    PRODUCT NAME:
    SEAL
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $46.00
    Was: $49.20
    Subtotal:
  • On Sale
    COMETIC Trans Shifter Drum Seal C9354F5

    COMETIC Trans Shifter Drum Seal C9354F5

    COMETIC

    Now: $9.00
    Was: $9.80
    Transmission seal integrity is critical for maintaining proper fluid pressure and preventing costly leaks that compromise performance and reliability. The COMETIC Trans Shifter Drum Seal C9354F5 is...
    09350376
    SKU:
    09350376
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    UNITS:
    5 PACK
    MATERIAL:
    VITON
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    SEAL
    APPLICATION:
    SHIFTER SHAFT
    APPLICATION:
    TRANSMISSION
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $9.00
    Was: $9.80
    Subtotal:
  • On Sale
    COMETIC Interconnect Seal C9004

    COMETIC Interconnect Seal C9004

    COMETIC

    Now: $17.00
    Was: $18.00
    Engine block sealing requires precision and reliability—a single leak compromises combustion efficiency and creates cascading failures downstream. The COMETIC Interconnect Seal C9004 delivers the...
    09350377
    SKU:
    09350377
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    PRODUCT NAME:
    SEAL
    UNITS:
    10 PACK
    RIDING STYLE:
    STREET
    APPLICATION:
    INTERCONNECT
    MATERIAL:
    VITON
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $17.00
    Was: $18.00
    Subtotal:
  • COMETIC O-Ring & Valve O-Ring - Twin Cam C9586

    COMETIC O-Ring & Valve O-Ring - Twin Cam C9586

    COMETIC

    $7.00
    Proper sealing is critical to engine reliability, and a compromised O-ring can lead to fluid leaks and performance loss. The COMETIC C9586 delivers consistent, dependable sealing across...
    09350139
    SKU:
    09350139
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    RIDING STYLE:
    STREET
    APPLICATION:
    PUSHROD COVER
    APPLICATION:
    PUSHROD TUBE
    MATERIAL:
    VITON
    UNITS:
    KIT
    PRODUCT NAME:
    SEAL
    Qty in Cart: 0
    Quantity:
    Price:
    $7.00
    Subtotal:
  • On Sale
    COMETIC Rocker Box Washer C9400

    COMETIC Rocker Box Washer C9400

    COMETIC

    Now: $5.00
    Was: $5.30
    Rocker box gasket sealing surfaces demand precision engineering to prevent oil weeping and maintain crankcase pressure integrity. The COMETIC Rocker Box Washer C9400 delivers the fuel-resistant...
    09350168
    SKU:
    09350168
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    STREET
    UNITS:
    10 PACK
    APPLICATION:
    ROCKER COVER
    MATERIAL:
    COPPER
    PRODUCT NAME:
    WASHER
    Now: $5.00
    Was: $5.30
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $5.00
    Was: $5.30
    Subtotal:
  • On Sale
    COMETIC Paper Rocker Box Washer C9286

    COMETIC Paper Rocker Box Washer C9286

    COMETIC

    MSRP: $4.15
    Now: $4.00
    Was: $4.70
    Rocker box washers endure constant thermal cycling and fuel exposure in high-performance engines—standard materials simply don't cut it. The COMETIC C9286 is engineered from premium, fuel-resistant...
    09350169
    SKU:
    09350169
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    UNITS:
    10 PACK
    RIDING STYLE:
    STREET
    APPLICATION:
    ROCKER COVER
    MATERIAL:
    RUBBER
    PRODUCT NAME:
    WASHER
    MSRP: $4.15
    Now: $4.00
    Was: $4.70
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $4.15
    Now: $4.00
    Was: $4.70
    Subtotal:
  • On Sale
    COMETIC Oil Pump Cover O-Ring C9440

    COMETIC Oil Pump Cover O-Ring C9440

    COMETIC

    MSRP: $6.25
    Now: $6.00
    Was: $6.25
    Oil pump cover o-rings are critical sealing components that prevent pressurized oil leakage and maintain system integrity under sustained engine operation. A compromised o-ring leads to oil loss,...
    09350174
    SKU:
    09350174
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MATERIAL:
    VITON
    PRODUCT NAME:
    O-RING
    APPLICATION:
    OIL PUMP
    RIDING STYLE:
    STREET
    UNITS:
    25 PACK
    MSRP: $6.25
    Now: $6.00
    Was: $6.25
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $6.25
    Now: $6.00
    Was: $6.25
    Subtotal:
  • On Sale
    COMETIC Oil Pump Drive Gear Seal C9349

    COMETIC Oil Pump Drive Gear Seal C9349

    COMETIC

    Now: $9.00
    Was: $9.50
    Your engine's oil pump drive gear seal is a critical component that prevents costly oil leakage and maintains proper lubrication pressure under demanding track or street conditions. A compromised...
    09350175
    SKU:
    09350175
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    PRODUCT NAME:
    SEAL
    APPLICATION:
    OIL PUMP
    RIDING STYLE:
    STREET
    APPLICATION:
    MAIN DRIVE GEAR
    MATERIAL:
    VITON
    UNITS:
    5 PACK
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $9.00
    Was: $9.50
    Subtotal:
  • On Sale
    COMETIC Sprocket Shaft Seal C9351

    COMETIC Sprocket Shaft Seal C9351

    COMETIC

    Now: $11.00
    Was: $11.60
    A compromised sprocket shaft seal allows critical lubrication to escape and contaminants to infiltrate your engine—accelerating wear on precision components and threatening reliability during...
    09350176
    SKU:
    09350176
    Availability:
    Ships Same Business Day
    Weight:
    0.26 LBS
    UNITS:
    5 PACK
    MATERIAL:
    VITON
    RIDING STYLE:
    STREET
    APPLICATION:
    SPROCKET SHAFT
    PRODUCT NAME:
    SEAL
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $11.00
    Was: $11.60
    Subtotal:
  • On Sale
    COMETIC Upper Pushrod Cover O-Ring Pack C9451

    COMETIC Upper Pushrod Cover O-Ring Pack C9451

    COMETIC

    MSRP: $6.25
    Now: $6.00
    Was: $6.25
    Upper pushrod cover leaks are a common source of oil seepage that can compromise engine cleanliness and create maintenance headaches. COMETIC's OEM-replacement O-ring pack eliminates the guesswork by...
    09350178
    SKU:
    09350178
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    STREET
    MATERIAL:
    AFM (ALUMINUM FOAM MATERIAL)
    PRODUCT NAME:
    O-RING
    THICKNESS:
    0,060'
    APPLICATION:
    PUSHROD COVER
    APPLICATION:
    ROCKER COVER
    THICKNESS IMPERIAL:
    0.060'
    UNITS:
    10 PACK
    MSRP: $6.25
    Now: $6.00
    Was: $6.25
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $6.25
    Now: $6.00
    Was: $6.25
    Subtotal:
  • On Sale
    COMETIC Starter Shaft Seal C9491

    COMETIC Starter Shaft Seal C9491

    COMETIC

    Now: $9.00
    Was: $9.50
    A leaking starter shaft seal compromises engine reliability and can lead to costly oil loss and starter failure. The COMETIC C9491 delivers a precision OEM-quality replacement that restores proper...
    09350180
    SKU:
    09350180
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MATERIAL:
    VITON
    APPLICATION:
    STARTER SHAFT
    UNITS:
    5 PACK
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    SEAL
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $9.00
    Was: $9.50
    Subtotal:
  • On Sale
    COMETIC Mainshaft O-Ring C9530

    COMETIC Mainshaft O-Ring C9530

    COMETIC

    Now: $6.00
    Was: $6.40
    A failing mainshaft seal will compromise your transmission's integrity and lead to costly internal damage. The COMETIC Mainshaft O-Ring C9530 delivers the fuel-resistant durability and precision fit...
    09350190
    SKU:
    09350190
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MATERIAL:
    VITON
    PRODUCT NAME:
    O-RING
    APPLICATION:
    MAIN DRIVE GEAR
    RIDING STYLE:
    STREET
    UNITS:
    25 PACK
    APPLICATION:
    TRANSMISSION
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $6.00
    Was: $6.40
    Subtotal:
  • On Sale
    COMETIC Top End Gasket Kit - 95" - Twin Cam - EST C9780

    COMETIC Top End Gasket Kit - 95" - Twin Cam - EST C9780

    COMETIC

    MSRP: $181.60
    Now: $171.00
    Was: $181.60
    Top-end gasket failure is one of the most expensive problems in engine rebuilding—and it's entirely preventable with the right sealing technology. The COMETIC EST C9780 eliminates hot spots that lead...
    DS172085
    SKU:
    DS172085
    Availability:
    Ships Same Business Day
    Weight:
    0.69 LBS
    BORE SIZE IMPERIAL:
    3.875'
    ENGINE TYPE:
    4-STROKE
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    STREET
    TYPE:
    TOP END
    MATERIAL:
    RUBBER
    UNITS:
    KIT
    BORE SIZE:
    3,875'
    MATERIAL:
    STAINLESS STEEL
    DISPLACEMENT:
    95'
    THICKNESS IMPERIAL:
    0,040'
    THICKNESS METRIC:
    1.02 MM
    MSRP: $181.60
    Now: $171.00
    Was: $181.60
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $181.60
    Now: $171.00
    Was: $181.60
    Subtotal:
  • On Sale
    COMETIC Head Gasket -.04"- Evo - 3.625" C9691

    COMETIC Head Gasket -.04"- Evo - 3.625" C9691

    COMETIC

    MSRP: $61.90
    Now: $58.00
    Was: $61.90
    A quality head gasket is foundational to engine reliability—especially in high-boost Evo applications where combustion pressures and thermal cycling demand precision sealing. The COMETIC C9691 uses...
    DS172089
    SKU:
    DS172089
    Availability:
    Ships Same Business Day
    Weight:
    0.94 LBS
    PRODUCT NAME:
    GASKET
    THICKNESS METRIC:
    1.02 MM
    UNITS:
    PAIR
    BORE SIZE IMPERIAL:
    3.670'
    MATERIAL:
    LAYERED STEEL
    THICKNESS:
    1,02 MM (0,040')
    THICKNESS IMPERIAL:
    0,040'
    TYPE:
    CYLINDER HEAD
    BORE SIZE:
    3,670'
    MATERIAL:
    VITON
    RIDING STYLE:
    STREET
    MSRP: $61.90
    Now: $58.00
    Was: $61.90
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $61.90
    Now: $58.00
    Was: $61.90
    Subtotal:
  • On Sale
    COMETIC Head Gasket - .040 - 88" - Twin Cam C9745

    COMETIC Head Gasket - .040 - 88" - Twin Cam C9745

    COMETIC

    MSRP: $61.90
    Now: $58.00
    Was: $61.90
    A compromised head gasket will rob your Twin Cam engine of compression, power, and reliability. The COMETIC C9745 uses multi-layer steel construction with load control embossments to maintain even...
    DS172107
    SKU:
    DS172107
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    BORE SIZE IMPERIAL:
    3.750'
    MATERIAL:
    LAYERED STEEL
    THICKNESS IMPERIAL:
    0,040'
    PRODUCT NAME:
    GASKET
    THICKNESS:
    1,02 MM (0,040')
    TYPE:
    CYLINDER HEAD
    BORE SIZE:
    3,750'
    RIDING STYLE:
    STREET
    THICKNESS METRIC:
    1.02 MM
    UNITS:
    PAIR
    MSRP: $61.90
    Now: $58.00
    Was: $61.90
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $61.90
    Now: $58.00
    Was: $61.90
    Subtotal:
  • On Sale
    COMETIC Main Shaft Seal C9262

    COMETIC Main Shaft Seal C9262

    COMETIC

    MSRP: $10.95
    Now: $10.00
    Was: $10.95
    A worn main shaft seal is a silent efficiency killer—allowing fluid seepage that compromises lubrication, increases friction, and can lead to catastrophic engine damage if left unchecked. The COMETIC...
    09350203
    SKU:
    09350203
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    APPLICATION:
    MAIN DRIVE GEAR
    MATERIAL:
    VITON
    RIDING STYLE:
    STREET
    TYPE:
    OIL
    PRODUCT NAME:
    SEAL
    UNITS:
    EACH
    MSRP: $10.95
    Now: $10.00
    Was: $10.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $10.95
    Now: $10.00
    Was: $10.95
    Subtotal:
  • On Sale
    COMETIC Lower Tappet Block O-Ring C9444

    COMETIC Lower Tappet Block O-Ring C9444

    COMETIC

    Now: $8.00
    Was: $8.40
    The lower tappet block o-ring is a critical seal in your engine's valve train system—one that directly impacts oil pressure consistency and prevents costly leaks that compromise performance...
    09350227
    SKU:
    09350227
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    APPLICATION:
    LOWER TAPPET BLOCK
    RIDING STYLE:
    STREET
    MATERIAL:
    NITRILE
    UNITS:
    10 PACK
    PRODUCT NAME:
    O-RING
    Now: $8.00
    Was: $8.40
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $8.00
    Was: $8.40
    Subtotal:
  • On Sale
    COMETIC Clutch Inspection Cover O-Ring C9434

    COMETIC Clutch Inspection Cover O-Ring C9434

    COMETIC

    Now: $6.00
    Was: $6.40
    A failing clutch inspection cover o-ring can compromise your engine's sealing integrity, leading to oil seepage and potential contamination of critical clutch components. This COMETIC replacement...
    09350231
    SKU:
    09350231
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    MATERIAL:
    BUNA
    UNITS:
    10 PACK
    PRODUCT NAME:
    O-RING
    APPLICATION:
    CLUTCH INSPECTION COVER
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $6.00
    Was: $6.40
    Subtotal:
  • On Sale
    COMETIC Oil Pump Gasket - AFM C9399F

    COMETIC Oil Pump Gasket - AFM C9399F

    COMETIC

    Now: $7.00
    Was: $7.40
    A failing oil pump gasket can cause catastrophic oil leaks and pressure loss, compromising engine protection and reliability during high-stress racing conditions. The COMETIC Oil Pump Gasket AFM...
    09350236
    SKU:
    09350236
    Availability:
    Ships Same Business Day
    Weight:
    0.21 LBS
    RIDING STYLE:
    STREET
    TYPE:
    OIL PUMP
    UNITS:
    10 PACK
    MATERIAL:
    AFM (ALUMINUM FOAM MATERIAL)
    THICKNESS:
    0,032'
    PRODUCT NAME:
    GASKET
    THICKNESS IMPERIAL:
    0.032'
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $7.00
    Was: $7.40
    Subtotal:
  • On Sale
    COMETIC Oil Pump Gasket - AFM C9315F

    COMETIC Oil Pump Gasket - AFM C9315F

    COMETIC

    Now: $6.00
    Was: $6.40
    A failing oil pump gasket compromises your engine's lubrication system, risking catastrophic bearing wear and seizure. The COMETIC Oil Pump Gasket AFM C9315F delivers the precision seal your...
    09350237
    SKU:
    09350237
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    THICKNESS IMPERIAL:
    0.032'
    MATERIAL:
    AFM (ALUMINUM FOAM MATERIAL)
    PRODUCT NAME:
    GASKET
    THICKNESS:
    0,032'
    TYPE:
    OIL PUMP
    UNITS:
    10 PACK
    RIDING STYLE:
    STREET
    Now: $6.00
    Was: $6.40
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $6.00
    Was: $6.40
    Subtotal:
  • On Sale
    COMETIC Top End Gasket Kit - Twin Cooled - .030" C10138-030

    COMETIC Top End Gasket Kit - Twin Cooled - .030" C10138-030

    COMETIC

    MSRP: $183.70
    Now: $173.00
    Was: $183.70
    A top-end gasket failure can sideline your engine and tank a season. The COMETIC C10138-030 uses Extreme Sealing Technology with embossed stainless steel and proprietary rubber material to eliminate...
    09344837
    SKU:
    09344837
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    BORE SIZE:
    4,000'
    ENGINE TYPE:
    4-STROKE
    RIDING STYLE:
    STREET
    TYPE:
    TOP END
    BORE SIZE IMPERIAL:
    4.000'
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    GASKET KIT
    THICKNESS IMPERIAL:
    0,030'
    DISPLACEMENT:
    110'
    THICKNESS METRIC:
    0.76 MM
    MATERIAL:
    RUBBER
    MATERIAL:
    VITON
    UNITS:
    KIT
    MSRP: $183.70
    Now: $173.00
    Was: $183.70
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $183.70
    Now: $173.00
    Was: $183.70
    Subtotal:
  • On Sale
    COMETIC Top End Gasket Kit - Twin Cam C9949-030

    COMETIC Top End Gasket Kit - Twin Cam C9949-030

    COMETIC

    MSRP: $146.95
    Now: $138.00
    Was: $146.95
    A top-end gasket failure can sideline your build and compromise engine integrity. The COMETIC C9949-030 uses Extreme Sealing Technology with embossed stainless steel construction to eliminate hot...
    09344840
    SKU:
    09344840
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    BORE SIZE:
    4,000'
    ENGINE TYPE:
    4-STROKE
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    STREET
    TYPE:
    TOP END
    BORE SIZE IMPERIAL:
    4.000'
    THICKNESS IMPERIAL:
    0,030'
    DISPLACEMENT:
    110'
    THICKNESS METRIC:
    0.76 MM
    UNITS:
    KIT
    MATERIAL:
    RUBBER
    MATERIAL:
    STEEL
    MATERIAL:
    VITON
    MSRP: $146.95
    Now: $138.00
    Was: $146.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $146.95
    Now: $138.00
    Was: $146.95
    Subtotal:
  • On Sale
    COMETIC Primary Gasket C10145F5

    COMETIC Primary Gasket C10145F5

    COMETIC

    MSRP: $141.70
    Now: $133.00
    Was: $141.70
    A primary gasket is critical to maintaining a reliable seal between your engine's primary cover and crankcase—any failure here leads to oil leakage, contamination, and potential drivetrain damage...
    09345061
    SKU:
    09345061
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    THICKNESS IMPERIAL:
    0.060'
    THICKNESS:
    1,52 MM (0,060')
    TYPE:
    PRIMARY COVER
    UNITS:
    5 PACK
    MOUNTING POSITION:
    OUTER
    THICKNESS METRIC:
    1.52 MM
    MATERIAL:
    AFM (ALUMINUM FOAM MATERIAL)
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    MSRP: $141.70
    Now: $133.00
    Was: $141.70
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $141.70
    Now: $133.00
    Was: $141.70
    Subtotal:
  • COMETIC Clutch Cover Gasket C10147F1

    COMETIC Clutch Cover Gasket C10147F1

    COMETIC

    $10.95
    A failing clutch cover gasket can lead to oil seepage, contaminated friction surfaces, and premature clutch wear—costly problems that compromise both performance and reliability. The COMETIC C10147F1...
    09345064
    SKU:
    09345064
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MATERIAL:
    AFM (ALUMINUM FOAM MATERIAL)
    RIDING STYLE:
    STREET
    TYPE:
    CLUTCH COVER
    UNITS:
    EACH
    PRODUCT NAME:
    GASKET
    THICKNESS IMPERIAL:
    0.060'
    MODEL:
    HI-PERFORMANCE
    Qty in Cart: 0
    Quantity:
    Price:
    $10.95
    Subtotal:
  • COMETIC Clutch Cover Gasket C10147F5

    COMETIC Clutch Cover Gasket C10147F5

    COMETIC

    $37.75
    A failing clutch cover gasket compromises engine integrity and invites costly oil seepage into your transmission. The COMETIC C10147F5 eliminates this vulnerability with a chemically bonded AFM...
    09345065
    SKU:
    09345065
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    MATERIAL:
    AFM (ALUMINUM FOAM MATERIAL)
    MODEL:
    HI-PERFORMANCE
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    UNITS:
    5 PACK
    TYPE:
    CLUTCH COVER
    THICKNESS IMPERIAL:
    0.060'
    Qty in Cart: 0
    Quantity:
    Price:
    $37.75
    Subtotal:
  • COMETIC Primary Gasket Kit C10148

    COMETIC Primary Gasket Kit C10148

    COMETIC

    $56.65
    A primary gasket kit failure can sideline your engine and cost you race time or project momentum. Cometic's AFM gasket material eliminates the guesswork—delivering consistent seal integrity across...
    09345066
    SKU:
    09345066
    Availability:
    Ships Same Business Day
    Weight:
    0.36 LBS
    TYPE:
    PRIMARY
    UNITS:
    KIT
    MATERIAL:
    AFM (ALUMINUM FOAM MATERIAL)
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $56.65
    Subtotal:
  • COMETIC Inspection Cover Gasket C10152F1

    COMETIC Inspection Cover Gasket C10152F1

    COMETIC

    $11.95
    A leaking inspection cover gasket compromises engine sealing integrity and can lead to oil seepage that damages surrounding components. The COMETIC C10152F1 provides the precision fit and material...
    09345070
    SKU:
    09345070
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    THICKNESS METRIC:
    1.52 MM
    THICKNESS:
    1,52 MM (0,060')
    TYPE:
    INSPECTION COVER
    MATERIAL:
    AFM (ALUMINUM FOAM MATERIAL)
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    THICKNESS IMPERIAL:
    0.060'
    UNITS:
    EACH
    $11.95
    Qty in Cart: 0
    Quantity:
    Price:
    $11.95
    Subtotal:
  • COMETIC Breather Gasket - Big Twin C10114

    COMETIC Breather Gasket - Big Twin C10114

    COMETIC

    $12.00
    A failing rocker box breather gasket compromises your engine's ability to manage crankcase pressure, leading to oil leaks, contaminated air intake, and potential engine damage. The COMETIC Breather...
    09344735
    SKU:
    09344735
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MATERIAL:
    AFM (ALUMINUM FOAM MATERIAL)
    RIDING STYLE:
    STREET
    TYPE:
    BREATHER
    PRODUCT NAME:
    GASKET
    UNITS:
    10 PACK
    $12.00
    Qty in Cart: 0
    Quantity:
    Price:
    $12.00
    Subtotal:
  • COMETIC Push Rod Gasket Set C10068

    COMETIC Push Rod Gasket Set C10068

    COMETIC

    $14.95
    A properly sealed push rod gallery is critical to maintaining oil pressure and preventing leakage in high-performance engines. The COMETIC Push Rod Gasket Set C10068 provides precision sealing where...
    09344652
    SKU:
    09344652
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    GASKET KIT
    TYPE:
    PUSHROD COVER
    UNITS:
    KIT
    $14.95
    Qty in Cart: 0
    Quantity:
    Price:
    $14.95
    Subtotal:
  • COMETIC Rocker Cover Gasket - Big Twin C9336-2

    COMETIC Rocker Cover Gasket - Big Twin C9336-2

    COMETIC

    $6.95
    A failing rocker cover gasket compromises engine sealing and invites oil leakage that accelerates wear on critical components. The COMETIC C9336-2 delivers reliable containment with a...
    09344684
    SKU:
    09344684
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    GASKET
    TYPE:
    ROCKER COVER BASE
    UNITS:
    PAIR
    RIDING STYLE:
    STREET
    THICKNESS METRIC:
    0.79 MM
    THICKNESS IMPERIAL:
    0,031'
    MATERIAL:
    FIBER
    THICKNESS:
    0,79 MM (0,031')
    Qty in Cart: 0
    Quantity:
    Price:
    $6.95
    Subtotal:
  • COMETIC Primary Cover Gasket C9703F1

    COMETIC Primary Cover Gasket C9703F1

    COMETIC

    $24.10
    A primary cover gasket failure can quickly sideline your bike and compromise engine sealing integrity. Cometic's AFM material delivers superior shape recovery and torque retention on machined...
    09344722
    SKU:
    09344722
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    THICKNESS IMPERIAL:
    0,031'
    UNITS:
    EACH
    MATERIAL:
    FIBER
    PRODUCT NAME:
    GASKET
    THICKNESS:
    0,79 MM (0,031')
    RIDING STYLE:
    STREET
    THICKNESS METRIC:
    0.79 MM
    TYPE:
    PRIMARY
    $24.10
    Qty in Cart: 0
    Quantity:
    Price:
    $24.10
    Subtotal:
  • COMETIC Transmission/Engine Case Gasket C9190F5

    COMETIC Transmission/Engine Case Gasket C9190F5

    COMETIC

    $65.00
    Transmission and engine case gasket integrity is critical to preventing fluid leakage, contamination, and catastrophic failure during high-performance driving. The COMETIC C9190F5 delivers the seal...
    09342019
    SKU:
    09342019
    Availability:
    Ships Same Business Day
    Weight:
    0.42 LBS
    MATERIAL:
    ALUMINUM
    RIDING STYLE:
    STREET
    UNITS:
    5 PACK
    PRODUCT NAME:
    GASKET
    TYPE:
    TRANSMISSION
    $65.00
    Qty in Cart: 0
    Quantity:
    Price:
    $65.00
    Subtotal:
  • COMETIC Shift Shaft Tube Gasket C9005

    COMETIC Shift Shaft Tube Gasket C9005

    COMETIC

    $8.30
    A reliable shift shaft tube gasket is critical to maintaining transmission integrity and preventing fluid leakage under racing conditions. The COMETIC C9005 delivers the durability and precision fit...
    09342020
    SKU:
    09342020
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    UNITS:
    10 PACK
    THICKNESS METRIC:
    1.52 MM
    TYPE:
    PRIMARY SPACER
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    THICKNESS IMPERIAL:
    0.060'
    MATERIAL:
    STEEL
    THICKNESS:
    1,52 MM (0,060')
    $8.30
    Qty in Cart: 0
    Quantity:
    Price:
    $8.30
    Subtotal:
  • COMETIC Gasket C9197F5

    COMETIC Gasket C9197F5

    COMETIC

    $8.70
    Engine gaskets are the unsung heroes of a reliable engine build—they seal critical surfaces and prevent fluid leakage under extreme pressures and temperatures. The COMETIC C9197F5 Viton gasket...
    09343176
    SKU:
    09343176
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MATERIAL:
    SILICONE
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    UNITS:
    5 PACK
    TYPE:
    ROCKER COVER
    $8.70
    Qty in Cart: 0
    Quantity:
    Price:
    $8.70
    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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