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!
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- Qty in Cart
- Quantity
- Price
- Subtotal
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On Sale
4.135 MLS Head Gasket .040 - SBC Brodix C5401-040
COMETIC
MSRP: $85.48Now: $80.00Was: $85.48A quality head gasket is the foundation of cylinder sealing integrity—without it, you're risking compression loss, coolant leakage, and catastrophic engine failure. The Brodix C5401-040 MLS head gasket delivers reliable sealing for Small Block Chevy...CAGC5401-040- SKU:
- CAGC5401-040
- Availability:
- Ships Same Business Day
- Weight:
- 0.73 LBS
- MFG Part #:
- C5401-040
MSRP: $85.48Now: $80.00Was: $85.48 -
On Sale
Rear Main Seal - Ford 351 (#85339) C5391
COMETIC
MSRP: $79.04Now: $74.00Was: $79.04A failing rear main seal is one of the most common causes of oil leakage in classic Small Block Ford engines—and it's a leak that only gets worse with time. This OEM-spec replacement seal restores the critical barrier between your crankshaft and engine...CAGC5391- SKU:
- CAGC5391
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- MFG Part #:
- C5391
MSRP: $79.04Now: $74.00Was: $79.04Qty in Cart: 0Quantity:Price:MSRP: $79.04Now: $74.00Was: $79.04Subtotal: -
On Sale
Rear Main Seal - Ford 351W Block w/ 302 crank C5384
COMETIC
MSRP: $112.09Now: $105.00Was: $112.09A leaking rear main seal is a silent performance killer, robbing you of oil pressure and creating messy driveways. If you're running a 351W block with a 302 crank, this OEM-equivalent seal is your direct path to a dry engine bay and reliable long-term...CAGC5384- SKU:
- CAGC5384
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MFG Part #:
- C5384
MSRP: $112.09Now: $105.00Was: $112.09 -
On Sale
3.830 MLS Head Gasket .027 - Ford 2300 C5369-027
COMETIC
MSRP: $75.97Now: $71.00Was: $75.97A head gasket failure can quickly turn a promising run into a costly rebuild. The 3.830 MLS Head Gasket .027 for Ford 2300 engines delivers the sealing integrity and durability you need to maintain combustion pressure and coolant separation under...CAGC5369-027- SKU:
- CAGC5369-027
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- MFG Part #:
- C5369-027
MSRP: $75.97Now: $71.00Was: $75.97 -
On Sale
4.180 MLS RH Head Gasket .040 - SBF Yates C5365-040
COMETIC
MSRP: $87.95Now: $83.00Was: $87.95A proper head gasket seal is non-negotiable for engine reliability and performance—any compromise here leads to compression loss, coolant leaks, and catastrophic failure. The Yates C5365-040 MLS gasket delivers the durability and precision fit your Small...CAGC5365-040- SKU:
- CAGC5365-040
- Availability:
- Ships Same Business Day
- Weight:
- 0.74 LBS
- MFG Part #:
- C5365-040
MSRP: $87.95Now: $83.00Was: $87.95 -
On Sale
4.100 MLS Head Gasket .040 - SBF Yates RH C5358-040
COMETIC
MSRP: $87.95Now: $83.00Was: $87.95A quality head gasket is the critical seal between your cylinder head and block—any compromise here means potential coolant leaks, combustion blow-by, and catastrophic engine damage. The Yates 4.100 MLS head gasket delivers reliable sealing with...CAGC5358-040- SKU:
- CAGC5358-040
- Availability:
- Ships Same Business Day
- Weight:
- 0.74 LBS
- MFG Part #:
- C5358-040
MSRP: $87.95Now: $83.00Was: $87.95 -
On Sale
4.165 MLS Head Gasket .040 - SBC SB2 C5323-040
COMETIC
MSRP: $87.95Now: $83.00Was: $87.95A quality head gasket is the critical seal between your cylinder head and block—get it wrong, and you're looking at coolant leaks, compression loss, and catastrophic engine failure. This 4.165" MLS gasket delivers the durability and reliability your SBC...CAGC5323-040- SKU:
- CAGC5323-040
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- MFG Part #:
- C5323-040
MSRP: $87.95Now: $83.00Was: $87.95 -
On Sale
4.125 MLS Head Gasket .060 - SBC C5247-060
COMETIC
MSRP: $121.04Now: $114.00Was: $121.04A quality head gasket is the foundation of cylinder seal integrity—choose the wrong one, and you're risking blow-by, coolant leaks, and catastrophic engine failure. This 4.125 MLS gasket is engineered to handle the demands of Small Block Chevy builds,...CAGC5247-060- SKU:
- CAGC5247-060
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- MFG Part #:
- C5247-060
MSRP: $121.04Now: $114.00Was: $121.04 -
On Sale
4.125 MLS Head Gasket .040 - SBC C5247-040
COMETIC
MSRP: $87.95Now: $83.00Was: $87.95A quality head gasket is non-negotiable for engine durability and peak performance. This 4.125" MLS gasket delivers reliable sealing under high combustion pressures, preventing coolant and oil cross-contamination that can compromise engine integrity. The...CAGC5247-040- SKU:
- CAGC5247-040
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
- MFG Part #:
- C5247-040
MSRP: $87.95Now: $83.00Was: $87.95 -
On Sale
4.060 MLS Head Gasket .040 - SBC C5245-040
COMETIC
MSRP: $87.95Now: $83.00Was: $87.95A proper head gasket is non-negotiable for engine reliability and performance. This 4.060 MLS gasket delivers the sealing integrity needed for high-compression Small Block Chevy builds, whether you're running naturally aspirated or forced induction power...CAGC5245-040- SKU:
- CAGC5245-040
- Availability:
- Ships Same Business Day
- Weight:
- 0.79 LBS
- MFG Part #:
- C5245-040
MSRP: $87.95Now: $83.00Was: $87.95 -
Bilstein 46mm Rod Guide O-Ring E4-DI6-Z026A00
BILSTEIN
$1.47Bilstein shock absorbers demand precision components to maintain consistent performance under extreme conditions, and this 46mm rod guide O-ring is critical to that reliability. A compromised O-ring allows rod movement and fluid leakage that degrades...BILE4-DI6-Z026A00- SKU:
- BILE4-DI6-Z026A00
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- E4-DI6-Z026A00
$1.47 -
Allstar Performance SBC V/C Gaskets Steel Core 5/16in Coated ALL87214
ALLSTAR PERFORMANCE
$33.99Valve cover gaskets are critical sealing components that prevent oil leakage and contamination of your engine bay. The Allstar Performance SBC V/C Gaskets use a proven steel core construction with cork and rubber laminate facing, delivering reliable...ALL87214- SKU:
- ALL87214
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- MFG Part #:
- ALL87214
$33.99 -
Aeroquip EPR O-Ring #16 FCM3468
AEROQUIP
$12.99Keep your fluid connections leak-free and performing at their best with the Aeroquip EPR O-Ring #16. Built for demanding applications, these premium EPR o-rings deliver exceptional chemical resistance and long-lasting durability you can count on. Stock...AERFCM3468- SKU:
- AERFCM3468
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MFG Part #:
- FCM3468
$12.99Qty in Cart: 0Quantity:Price:$12.99Subtotal:
