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Engine Gaskets and Seals

Engine Gaskets and Seals

Engine Gaskets and Seals

Circle Track Engine Gaskets and Seals at JJ Motorsports

Maintain peak engine performance and prevent leaks with high-quality gaskets and seals from JJ Motorsports. Essential for airtight connections in Small Block Chevy and other high-performance engines, these components include head gaskets, valve cover gaskets, and more, ensuring reliability in demanding IMCA, USMTS, and dirt oval racing for late models, modifieds, and street stocks.

Shop trusted brands like Fel-Pro for performance head gaskets, Allstar Performance for cork valve covers, and Moroso for silicone rubber options. Explore related categories such as Circle Track Gaskets and Seals for intake and exhaust solutions or Circle Track Oiling Systems for complete lubrication upgrades.

Top Circle Track Engine Gaskets and Seals

Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • On Sale
    4.100 MLS Head Gasket .040 - SBF Yates LH CAGC5359-040

    4.100 MLS Head Gasket .040 - SBF Yates LH C5359-040

    COMETIC

    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    A head gasket failure can cost you a race—or worse, your engine. The Yates 4.100 MLS Head Gasket is engineered for Small Block Ford applications where precision sealing and thermal stability are non-negotiable. With multi-layered steel construction and a...
    CAGC5359-040
    SKU:
    CAGC5359-040
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    MFG Part #:
    C5359-040
    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    Subtotal:
  • On Sale
    4.200 MLS Head Gasket .040 - SBC SB2 CAGC5324-040

    4.200 MLS Head Gasket .040 - SBC SB2 C5324-040

    COMETIC

    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    A proper head gasket is critical to maintaining compression integrity and preventing coolant leaks in high-performance engines. The 4.200 MLS design delivers superior sealing across thermal cycles, making it the reliable choice for rebuilt or modified...
    CAGC5324-040
    SKU:
    CAGC5324-040
    Availability:
    Ships Same Business Day
    Weight:
    0.74 LBS
    MFG Part #:
    C5324-040
    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    Subtotal:
  • On Sale
    SBC Water Pump Gasket  CAGC5299-018

    SBC Water Pump Gasket C5299-018

    COMETIC

    MSRP: $3.39
    Now: $3.00
    Was: $3.39
    A compromised water pump gasket is a silent killer for Small Block Chevy engines—coolant leaks develop gradually, leading to overheating, thermal stress, and catastrophic engine damage if left unchecked. The SBC Water Pump Gasket C5299-018 delivers...
    CAGC5299-018
    SKU:
    CAGC5299-018
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    C5299-018
    MSRP: $3.39
    Now: $3.00
    Was: $3.39
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3.39
    Now: $3.00
    Was: $3.39
    Subtotal:
  • On Sale
    SBC Timing Cover Gasket .031 CAGC5261-031

    SBC Timing Cover Gasket .031 C5261-031

    COMETIC

    MSRP: $15.17
    Now: $14.00
    Was: $15.17
    A leaking timing cover gasket compromises engine sealing and invites oil seepage that degrades performance and cleanliness. This .031" composite gasket delivers reliable, long-term sealing for Small Block Chevy engines, ensuring your timing cover stays...
    CAGC5261-031
    SKU:
    CAGC5261-031
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    C5261-031
    MSRP: $15.17
    Now: $14.00
    Was: $15.17
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $15.17
    Now: $14.00
    Was: $15.17
    Subtotal:
  • On Sale
    4.200 MLS Head Gasket .051 - SBC CAGC5249-051

    4.200 MLS Head Gasket .051 - SBC C5249-051

    COMETIC

    MSRP: $92.35
    Now: $87.00
    Was: $92.35
    A quality head gasket is the seal between your engine block and cylinder head—get it wrong, and you're looking at coolant leaks, compression loss, and catastrophic engine damage. The 4.200 MLS Head Gasket .051 delivers reliable sealing for Small Block...
    CAGC5249-051
    SKU:
    CAGC5249-051
    Availability:
    Ships Same Business Day
    Weight:
    0.87 LBS
    MFG Part #:
    C5249-051
    MSRP: $92.35
    Now: $87.00
    Was: $92.35
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $92.35
    Now: $87.00
    Was: $92.35
    Subtotal:
  • On Sale
    4.200 MLS Head Gasket .045 - SBC CAGC5249-045

    4.200 MLS Head Gasket .045 - SBC C5249-045

    COMETIC

    MSRP: $92.35
    Now: $87.00
    Was: $92.35
    A quality head gasket is the foundation of a reliable, high-compression engine—this MLS gasket delivers the sealing integrity and durability that serious SBC builders demand. The multi-layered steel construction resists blowout under sustained boost and...
    CAGC5249-045
    SKU:
    CAGC5249-045
    Availability:
    Ships Same Business Day
    Weight:
    0.78 LBS
    MFG Part #:
    C5249-045
    MSRP: $92.35
    Now: $87.00
    Was: $92.35
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $92.35
    Now: $87.00
    Was: $92.35
    Subtotal:
  • On Sale
    4.200 MLS Head Gasket .040 - SBC CAGC5249-040

    4.200 MLS Head Gasket .040 - SBC C5249-040

    COMETIC

    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    A quality head gasket is the foundation of any reliable engine build—it's your seal against compression loss, oil leakage, and coolant crossover. This 4.200" MLS gasket is engineered for Small Block Chevy applications where precision and durability...
    CAGC5249-040
    SKU:
    CAGC5249-040
    Availability:
    Ships Same Business Day
    Weight:
    0.67 LBS
    MFG Part #:
    C5249-040
    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    Subtotal:
  • On Sale
    4.200 MLS Head Gasket .030 - SBC CAGC5249-030

    4.200 MLS Head Gasket .030 - SBC C5249-030

    COMETIC

    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    A quality head gasket is non-negotiable for engine reliability and performance—it's the critical seal that prevents combustion gases and coolant from leaking into your oil system. The 4.200 MLS Head Gasket delivers proven durability with multi-layered...
    CAGC5249-030
    SKU:
    CAGC5249-030
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    MFG Part #:
    C5249-030
    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    Subtotal:
  • On Sale
    4.165 MLS Head Gasket .066- SBC CAGC5248-066

    4.165 MLS Head Gasket .066- SBC C5248-066

    COMETIC

    MSRP: $121.04
    Now: $114.00
    Was: $121.04
    A properly sealed cylinder head is non-negotiable for engine reliability and performance. This MLS head gasket delivers the clamping force and thermal stability required to maintain compression and prevent coolant seepage across engine cycles. Choose the...
    CAGC5248-066
    SKU:
    CAGC5248-066
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    MFG Part #:
    C5248-066
    MSRP: $121.04
    Now: $114.00
    Was: $121.04
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $121.04
    Now: $114.00
    Was: $121.04
    Subtotal:
  • On Sale
    4.165 MLS Head Gasket .051 - SBC CAGC5248-051

    4.165 MLS Head Gasket .051 - SBC C5248-051

    COMETIC

    MSRP: $92.35
    Now: $87.00
    Was: $92.35
    A properly sealed cylinder head is non-negotiable for engine reliability and performance—combustion chamber pressure leaks translate directly to lost horsepower and potential engine damage. This MLS (Multi-Layered Steel) head gasket is engineered to...
    CAGC5248-051
    SKU:
    CAGC5248-051
    Availability:
    Ships Same Business Day
    Weight:
    0.93 LBS
    MFG Part #:
    C5248-051
    MSRP: $92.35
    Now: $87.00
    Was: $92.35
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $92.35
    Now: $87.00
    Was: $92.35
    Subtotal:
  • On Sale
    4.165 MLS Head Gasket .040 - SBC CAGC5248-040

    4.165 MLS Head Gasket .040 - SBC C5248-040

    COMETIC

    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    A quality head gasket is fundamental to engine reliability and performance—it's your seal against compression loss, coolant leaks, and catastrophic failure. The 4.165 MLS Head Gasket .040 delivers the multi-layered steel construction and precision bore...
    CAGC5248-040
    SKU:
    CAGC5248-040
    Availability:
    Ships Same Business Day
    Weight:
    0.69 LBS
    MFG Part #:
    C5248-040
    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    Subtotal:
  • On Sale
    4.165 MLS Head Gasket .030 - SBC CAGC5248-030

    4.165 MLS Head Gasket .030 - SBC C5248-030

    COMETIC

    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    A quality head gasket is fundamental to engine reliability—it seals combustion pressure and prevents coolant/oil crossover that compromises performance and longevity. The 4.165 MLS gasket delivers the precision fit and multi-layered construction that...
    CAGC5248-030
    SKU:
    CAGC5248-030
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    MFG Part #:
    C5248-030
    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    Subtotal:
  • On Sale
    4.165 MLS Head Gasket .027 - SBC CAGC5248-027

    4.165 MLS Head Gasket .027 - SBC C5248-027

    COMETIC

    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    A quality head gasket is the foundation of cylinder sealing integrity—without it, you're risking combustion blow-by, coolant leaks, and catastrophic engine failure. This 4.165 MLS gasket delivers the precision and durability required for high-revving...
    CAGC5248-027
    SKU:
    CAGC5248-027
    Availability:
    Ships Same Business Day
    Weight:
    0.51 LBS
    MFG Part #:
    C5248-027
    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    Subtotal:
  • On Sale
    4.125 MLS Head Gasket .030 - SBC CAGC5247-030

    4.125 MLS Head Gasket .030 - SBC C5247-030

    COMETIC

    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    A quality head gasket is fundamental to engine reliability—it seals combustion pressure and coolant flow while withstanding extreme temperatures and cylinder pressures. This MLS gasket delivers the durability and repeatability required for both street...
    CAGC5247-030
    SKU:
    CAGC5247-030
    Availability:
    Ships Same Business Day
    Weight:
    0.57 LBS
    MFG Part #:
    C5247-030
    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    Subtotal:
  • On Sale
    4.125 MLS Head Gasket .027 - SBC CAGC5247-027

    4.125 MLS Head Gasket .027 - SBC C5247-027

    COMETIC

    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    A quality head gasket is the critical seal between your cylinder head and block—failure here means catastrophic engine damage. This 4.125" MLS gasket is engineered for Small Block Chevy applications where compression integrity and durability under...
    CAGC5247-027
    SKU:
    CAGC5247-027
    Availability:
    Ships Same Business Day
    Weight:
    0.53 LBS
    MFG Part #:
    C5247-027
    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    Subtotal:
  • On Sale
    4.100 MLS Head Gasket .080 - SBC CAGC5246-080

    4.100 MLS Head Gasket .080 - SBC C5246-080

    COMETIC

    MSRP: $132.59
    Now: $125.00
    Was: $132.59
    A quality head gasket is non-negotiable for any small block Chevy build—it's your primary seal against combustion pressure and coolant leakage. The 4.100 MLS design delivers superior reliability over traditional composition gaskets, handling aggressive...
    CAGC5246-080
    SKU:
    CAGC5246-080
    Availability:
    Ships Same Business Day
    Weight:
    1.28 LBS
    MFG Part #:
    C5246-080
    MSRP: $132.59
    Now: $125.00
    Was: $132.59
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $132.59
    Now: $125.00
    Was: $132.59
    Subtotal:
  • On Sale
    4.100 MLS Head Gasket .060 - SBC CAGC5246-060

    4.100 MLS Head Gasket .060 - SBC C5246-060

    COMETIC

    MSRP: $121.04
    Now: $114.00
    Was: $121.04
    A quality head gasket is the foundation of a reliable engine seal—compromise here and you're risking coolant leaks, combustion blowby, and catastrophic engine failure. This 4.100 MLS gasket delivers the multi-layered steel construction needed to maintain...
    CAGC5246-060
    SKU:
    CAGC5246-060
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    MFG Part #:
    C5246-060
    MSRP: $121.04
    Now: $114.00
    Was: $121.04
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $121.04
    Now: $114.00
    Was: $121.04
    Subtotal:
  • On Sale
    4.100 MLS Head Gasket .040 - SBC CAGC5246-040

    4.100 MLS Head Gasket .040 - SBC C5246-040

    COMETIC

    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    A quality head gasket is non-negotiable for engine reliability and peak performance. This 4.100 MLS gasket delivers the compression sealing your Small Block Chevy needs without compromise, whether you're running stock power or a built motor. The...
    CAGC5246-040
    SKU:
    CAGC5246-040
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    MFG Part #:
    C5246-040
    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    Subtotal:
  • On Sale
    4.100 MLS Head Gasket .036 - SBC CAGC5246-036

    4.100 MLS Head Gasket .036 - SBC C5246-036

    COMETIC

    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    A quality head gasket is the foundation of a reliable, leak-free engine—and this 4.100 MLS gasket delivers the sealing integrity that serious SBC builders demand. Multi-layered steel construction resists blow-by and maintains compression across heat...
    CAGC5246-036
    SKU:
    CAGC5246-036
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    MFG Part #:
    C5246-036
    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    Subtotal:
  • On Sale
    4.100 MLS Head Gasket .030 - SBC CAGC5246-030

    4.100 MLS Head Gasket .030 - SBC C5246-030

    COMETIC

    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    A quality head gasket is non-negotiable for any serious Small Block Chevy build—it's your first line of defense against blow-by, coolant leaks, and compression loss. The MLS (Multi-Layered Steel) construction on this gasket provides superior sealing...
    CAGC5246-030
    SKU:
    CAGC5246-030
    Availability:
    Ships Same Business Day
    Weight:
    0.58 LBS
    MFG Part #:
    C5246-030
    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $87.95
    Now: $83.00
    Was: $87.95
    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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