Gaskets and Seals
Circle Track Gaskets & Seals for SBC Engines & Rear Hubs at JJ Motorsports
Maintain peak performance and prevent leaks in your circle track racer with premium gaskets and seals from JJ Motorsports. Our selection includes head gaskets, valve cover gaskets, water pump gaskets, hub seals, and more, designed for late models, modifieds, street stocks, and IMCA dirt racing. Compatible with Small Block Chevy (SBC) engines and various rear hubs, these durable components ensure reliable sealing under high-pressure racing conditions.
Shop trusted brands like Fel-Pro and Moroso. Explore related categories such as circle track engines and components for power upgrades or circle track drivetrain for transmission enhancements.
Top Circle Track Gaskets and Seals Products
- Fel-Pro SBC Head Gasket Cast or Aluminum 1003 – Cylinder head gasket with 4.166 in bore and 0.041 in compression thickness, made of steel core laminate with KEVLAR fiber for strength; withstands up to 1,000 hp and 1500-3000 psi, anti-stick coating for perfect seal.
- Moroso Sb Chevy V. C. Gaskets 93020 – New valve cover gaskets designed for Small Block Chevy engines, ensuring reliable sealing and durability in racing applications.
- Fel-Pro Sbc Water Pump To Block 5152 – Gasket for Small Block Chevrolet water pump to block applications, providing a secure seal to prevent coolant leaks.
- 5 X 5 Rear Hub Bearing Seal 2-1/2in Pin Rear GN Grand National 2.5in Pin PAIR – Hub bearing seals for dirt race cars, made of rubber/steel; compatible with AFCO, Allstar, SCP, Winters 2-1/2 in Pin 5x5 hubs; sold as a pair.
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
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On Sale
4.165 MLS Head Gasket .030 - SBC C5248-030
COMETIC
MSRP: $87.95Now: $79.16Was: $87.95A 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...CAGC5248-030- SKU:
- CAGC5248-030
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- MFG Part #:
- C5248-030
MSRP: $87.95Now: $79.16Was: $87.95 -
On Sale
4.165 MLS Head Gasket .027 - SBC C5248-027
COMETIC
MSRP: $87.95Now: $79.16Was: $87.95A 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...CAGC5248-027- SKU:
- CAGC5248-027
- Availability:
- Ships Same Business Day
- Weight:
- 0.51 LBS
- MFG Part #:
- C5248-027
MSRP: $87.95Now: $79.16Was: $87.95Qty in Cart: 0Quantity:Price:MSRP: $87.95Now: $79.16Was: $87.95Subtotal: -
On Sale
4.125 MLS Head Gasket .030 - SBC C5247-030
COMETIC
MSRP: $87.95Now: $79.16Was: $87.95A 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...CAGC5247-030- SKU:
- CAGC5247-030
- Availability:
- Ships Same Business Day
- Weight:
- 0.57 LBS
- MFG Part #:
- C5247-030
MSRP: $87.95Now: $79.16Was: $87.95 -
On Sale
4.125 MLS Head Gasket .027 - SBC C5247-027
COMETIC
MSRP: $87.95Now: $79.16Was: $87.95A 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...CAGC5247-027- SKU:
- CAGC5247-027
- Availability:
- Ships Same Business Day
- Weight:
- 0.53 LBS
- MFG Part #:
- C5247-027
MSRP: $87.95Now: $79.16Was: $87.95 -
On Sale
4.100 MLS Head Gasket .080 - SBC C5246-080
COMETIC
MSRP: $132.59Now: $119.33Was: $132.59A 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...CAGC5246-080- SKU:
- CAGC5246-080
- Availability:
- Ships Same Business Day
- Weight:
- 1.28 LBS
- MFG Part #:
- C5246-080
MSRP: $132.59Now: $119.33Was: $132.59 -
On Sale
4.100 MLS Head Gasket .060 - SBC C5246-060
COMETIC
MSRP: $121.04Now: $108.94Was: $121.04A 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...CAGC5246-060- SKU:
- CAGC5246-060
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MFG Part #:
- C5246-060
MSRP: $121.04Now: $108.94Was: $121.04Qty in Cart: 0Quantity:Price:MSRP: $121.04Now: $108.94Was: $121.04Subtotal: -
On Sale
4.100 MLS Head Gasket .040 - SBC C5246-040
COMETIC
MSRP: $87.95Now: $79.16Was: $87.95A 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...CAGC5246-040- SKU:
- CAGC5246-040
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- MFG Part #:
- C5246-040
MSRP: $87.95Now: $79.16Was: $87.95 -
On Sale
4.100 MLS Head Gasket .036 - SBC C5246-036
COMETIC
MSRP: $87.95Now: $79.16Was: $87.95A 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...CAGC5246-036- SKU:
- CAGC5246-036
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- MFG Part #:
- C5246-036
MSRP: $87.95Now: $79.16Was: $87.95Qty in Cart: 0Quantity:Price:MSRP: $87.95Now: $79.16Was: $87.95Subtotal: -
On Sale
4.100 MLS Head Gasket .030 - SBC C5246-030
COMETIC
MSRP: $87.95Now: $79.16Was: $87.95A 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)...CAGC5246-030- SKU:
- CAGC5246-030
- Availability:
- Ships Same Business Day
- Weight:
- 0.58 LBS
- MFG Part #:
- C5246-030
MSRP: $87.95Now: $79.16Was: $87.95 -
On Sale
4.100 MLS Head Gasket .027 - SBC C5246-027
COMETIC
MSRP: $87.95Now: $79.16Was: $87.95A quality head gasket is fundamental to engine reliability and performance—it's your seal against compression loss, coolant leaks, and catastrophic engine failure. The 4.100 MLS Head Gasket .027 is...CAGC5246-027- SKU:
- CAGC5246-027
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- MFG Part #:
- C5246-027
MSRP: $87.95Now: $79.16Was: $87.95Qty in Cart: 0Quantity:Price:MSRP: $87.95Now: $79.16Was: $87.95Subtotal: -
On Sale
4.060 MLS Head Gasket .051 - SBC C5245-051
COMETIC
MSRP: $92.35Now: $83.12Was: $92.35A quality head gasket is non-negotiable for engine reliability and peak performance. This MLS (Multi-Layered Steel) design provides superior sealing under high combustion pressures while maintaining...CAGC5245-051- SKU:
- CAGC5245-051
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- MFG Part #:
- C5245-051
MSRP: $92.35Now: $83.12Was: $92.35 -
On Sale
4.060 MLS Head Gasket .036 - SBC C5245-036
COMETIC
MSRP: $87.95Now: $79.16Was: $87.95A quality head gasket is non-negotiable for any Small Block Chevy engine running real power. The 4.060 MLS design seals under extreme combustion pressures while maintaining precise compression...CAGC5245-036- SKU:
- CAGC5245-036
- Availability:
- Ships Same Business Day
- Weight:
- 0.67 LBS
- MFG Part #:
- C5245-036
MSRP: $87.95Now: $79.16Was: $87.95 -
On Sale
4.060 MLS Head Gasket .030 - SBC C5245-030
COMETIC
MSRP: $87.95Now: $79.16Was: $87.95A properly sealed cylinder head is non-negotiable for engine reliability and performance—blow-by and coolant leaks will tank your horsepower and damage your engine block. This MLS head gasket...CAGC5245-030- SKU:
- CAGC5245-030
- Availability:
- Ships Same Business Day
- Weight:
- 0.47 LBS
- MFG Part #:
- C5245-030
MSRP: $87.95Now: $79.16Was: $87.95 -
On Sale
MLS Exhaust Gaskets .030 SBC Brodix/All Pro C5040-030
COMETIC
MSRP: $39.28Now: $35.35Was: $39.28Exhaust leaks at the manifold gasket cost you power, efficiency, and longevity—especially on a built small block running Brodix or All Pro heads. These MLS gaskets are engineered to seal consistently...CAGC5040-030- SKU:
- CAGC5040-030
- Availability:
- Ships Same Business Day
- Weight:
- 0.37 LBS
- MFG Part #:
- C5040-030
MSRP: $39.28Now: $35.35Was: $39.28 -
On Sale
MLS Exhaust Gaskets .030 SBC w/Brodix/Dart 13degr C5039-030
COMETIC
MSRP: $39.28Now: $35.35Was: $39.28A quality exhaust gasket is critical to maintaining a reliable seal between your headers and cylinder head—any leak will bleed horsepower and create exhaust noise that compromises performance. These...CAGC5039-030- SKU:
- CAGC5039-030
- Availability:
- Ships Same Business Day
- Weight:
- 0.51 LBS
- MFG Part #:
- C5039-030
MSRP: $39.28Now: $35.35Was: $39.28 -
11/32 Valve Stem Seal - .531 Guide US VS529V
BRODIX
$1.99Valve stem seals are critical to preventing oil from leaking into your combustion chamber—a problem that degrades performance, increases emissions, and can lead to costly engine damage over time. The...BROUSVS529V- SKU:
- BROUSVS529V
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MFG Part #:
- US VS529V
$1.99 -
11/32 Valve Stem Seal .485 Guide Diameter 1pk US VS485V
BRODIX
$1.99Valve stem seals are critical to maintaining proper oil control and preventing blow-by in your engine—worn or failing seals lead to oil consumption, fouled spark plugs, and reduced compression. This...BROUSVS485V- SKU:
- BROUSVS485V
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- US VS485V
$1.99 -
Intake Gasket - SBC (Each) MG 1800
BRODIX
$14.99A quality intake gasket is critical to maintaining proper cylinder head sealing and preventing coolant or oil seepage that can compromise engine performance and longevity. This rubber-coated...BROMG1800- SKU:
- BROMG1800
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- MFG Part #:
- MG 1800
$14.99 -
Brinn O-Ring 71063
BRINN TRANSMISSION
$1.49Transmission fluid leaks compromise performance and lead to costly repairs—a quality O-ring seal is your first line of defense. The Brinn O-Ring 71063 delivers the reliable sealing you need to...BRI71063- SKU:
- BRI71063
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MFG Part #:
- 71063
$1.49 -
Brinn O-Ring 71046
BRINN TRANSMISSION
$1.49Transmission seal integrity directly impacts performance and longevity. A failing O-ring allows fluid bypass, leading to pressure loss, slippage, and potential damage to your Brinn transmission...BRI71046- SKU:
- BRI71046
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MFG Part #:
- 71046
$1.49
