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
-
Fuel Safe 12 Bolt Gasket For 4.75 1GAS78
FUEL SAFE
$31.99Keep your fuel cell sealed tight and leak-free with the Fuel Safe 12 Bolt Gasket — a simple but critical component that serious racers and builders trust to protect their setup. Designed specifically for 4.75" bolt circle fill plates, this gasket...FUE1GAS78- SKU:
- FUE1GAS78
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MFG Part #:
- 1GAS78
$31.99 -
Front Yoke Seal QC0150
FRANKLAND RACING
$9.99A compromised yoke seal leads to fluid leakage, contamination, and premature drivetrain failure—especially critical in high-stress racing applications where reliability determines race outcomes. The Front Yoke Seal QC0150 delivers a precision-engineered...FRKQC0150- SKU:
- FRKQC0150
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- QC0150
$9.99 -
Fragola Grommet Seal 1.5in Dia. Blanked-Pointed 999412
FRAGOLA
$33.99A proper firewall grommet seal is critical for maintaining engine bay integrity and protecting wiring harnesses from heat damage and abrasion. The Fragola 1.5in blanked-pointed grommet delivers reliable sealing at a common penetration size, essential for...FRG999412- SKU:
- FRG999412
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- 999412
$33.99Qty in Cart: 0Quantity:Price:$33.99Subtotal: -
On Sale
Fragola Replacement O-Rings #12 1-1/16 ID (10pk) 999113
FRAGOLA
MSRP: $11.99Now: $11.63Was: $11.99Viton O-rings are essential maintenance items for any high-performance fuel system, especially in forced induction or racing applications where heat and pressure cycles degrade seals over time. A 10-pack ensures you have spares on hand for immediate...FRG999113- SKU:
- FRG999113
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MFG Part #:
- 999113
MSRP: $11.99Now: $11.63Was: $11.99 -
Fragola 7/8 I.D O-Rings 10pk 999112
FRAGOLA
$15.51Fragola O-rings are essential consumables for any high-performance fuel, coolant, or hydraulic system. Over time, Viton seals degrade from heat cycling and fluid exposure, leading to leaks that compromise system integrity and performance. Keep a spare...FRG999112- SKU:
- FRG999112
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- 999112
$15.51 -
Fragola Viton O-Rings #6 10pk 9/16 I.D. 999110
FRAGOLA
$10.66Viton O-rings are the industry standard for high-performance fuel and fluid systems where temperature resistance and chemical compatibility matter. Whether you're building a custom fuel system, upgrading your forced-induction setup, or maintaining...FRG999110- SKU:
- FRG999110
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- 999110
$10.66 -
On Sale
Fragola O-Ring 7/16 I.D. (#4) 10-Pk 999109
FRAGOLA
MSRP: $8.99Now: $8.72Was: $8.99Fragola O-rings are essential wear items for any high-performance fuel system or hydraulic application. Whether you're running a modified engine, race car, or precision fuel delivery system, quality seals prevent leaks that compromise performance and...FRG999109- SKU:
- FRG999109
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- 999109
MSRP: $8.99Now: $8.72Was: $8.99 -
Fragola O-Ring 3/8 I.D. (#3) 10-Pk 999108
FRAGOLA
$8.72Fragola O-rings are essential consumables for any serious racer or tuner managing high-performance fuel and fluid systems. Viton construction delivers superior chemical resistance and durability across temperature extremes, ensuring reliable sealing over...FRG999108- SKU:
- FRG999108
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- 999108
$8.72 -
Ford Performance Head Gasket Set 302/351W up to 4.125" bore 0.040" thickness M-6051-R351
FORD
$103.99A head gasket failure can end your day at the track or leave you stranded on the street. The Ford Performance Head Gasket Set M-6051-R351 is engineered specifically for Small Block Ford 302 and 351 Windsor engines, delivering the reliable compression...FRDM6051-R351- SKU:
- FRDM6051-R351
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- MFG Part #:
- M-6051-R351
$103.99Qty in Cart: 0Quantity:Price:$103.99Subtotal: -
Ford Performance 302/351 Head Gasket Set 4.00" Bore 0.040" Thickness M-6051-CP331
FORD
$173.99A proper head gasket seal is non-negotiable for engine reliability, especially in Small Block Ford applications where combustion pressures demand precision. This Ford Performance set delivers steel core laminate construction that maintains a consistent...FRDM6051-CP331- SKU:
- FRDM6051-CP331
- Availability:
- Ships Same Business Day
- Weight:
- 0.79 LBS
- MFG Part #:
- M-6051-CP331
$173.99 -
Ford Performance 4.125" Big Bore 351 Head Gasket Set with Valve Pockets M-6051-B341
FORD
$88.99If you're building a 351 Ford Performance engine with a 4.125-inch overbore, combustion efficiency depends on precision sealing and optimized airflow—and this head gasket set delivers both. The bore flange valve pockets unshroud your intake and exhaust...FRDM6051-B341- SKU:
- FRDM6051-B341
- Availability:
- Ships Same Business Day
- Weight:
- 0.73 LBS
- MFG Part #:
- M-6051-B341
$88.99Qty in Cart: 0Quantity:Price:$88.99Subtotal: -
Ford Performance Cylinder Head Gasket 4.00" Bore 0.042" Thickness M-6051-A302
FORD
$80.99A properly sealed cylinder head is non-negotiable for Small Block Ford performance. This Ford Performance gasket delivers the compression sealing and thermal stability required to support high-RPM builds and forced induction applications. The steel core...FRDM6051-A302- SKU:
- FRDM6051-A302
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- MFG Part #:
- M-6051-A302
$80.99 -
Ford Performance 9-inch Viton Pinion Oil Seal M-4676-A111
FORD
$15.99A degraded pinion seal is an open invitation for oil leaks and contamination that will compromise your entire drivetrain. This Ford Performance Viton® seal is engineered to withstand the extreme heat and speed of high-performance applications, keeping...FRDM4676-A111- SKU:
- FRDM4676-A111
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- M-4676-A111
$15.99Qty in Cart: 0Quantity:Price:$15.99Subtotal: -
Fel-Pro Timing Cover Gasket Set w/Sleeve SBF 221-351W TCS 45168
FEL-PRO
$26.99A failing timing cover gasket can silently drain your engine oil and compromise your build's reliability—exactly what you can't afford on the track or in the shop. Fel-Pro's composite gasket set eliminates guesswork with OEM-equivalent sealing...FELTCS45168- SKU:
- FELTCS45168
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MFG Part #:
- TCS 45168
$26.99 -
Fel-Pro Fuel Pump Gasket 6579
FEL-PRO
$4.49A failing fuel pump gasket compromises your fuel system's integrity, risking leaks that can damage your engine and create safety hazards. The Fel-Pro 6579 is a direct replacement engineered to restore a reliable seal at your fuel pump mounting plate,...FEL6579- SKU:
- FEL6579
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MFG Part #:
- 6579
$4.49 -
Fel-Pro Fuel Pump Gasket 5182
FEL-PRO
$2.49A worn or degraded fuel pump gasket compromises your fuel system's integrity, leading to leaks, fuel vapor loss, and potential performance issues. The Fel-Pro 5182 is a OEM-quality composite gasket engineered to seal your Small Block Chevy fuel pump...FEL5182- SKU:
- FEL5182
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MFG Part #:
- 5182
$2.49 -
Fel-Pro Ford 302 SVO Teflon Rear Main Seal 2942 RS
FEL-PRO
$24.99Rear main seal leaks are a common failure point in high-mileage 302 SVO engines, leading to oil loss, engine bay contamination, and potential bearing damage if left unaddressed. The Fel-Pro 2942 RS uses a PTFE-coated design to provide superior sealing...FEL2942RS- SKU:
- FEL2942RS
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MFG Part #:
- 2942 RS
$24.99 -
Fel-Pro Ford 302 1 PC. Teflon Main Seal 2941
FEL-PRO
$40.99A leaking rear main seal is one of the most common sources of oil loss in classic Ford 302 engines—and one of the easiest to fix with the right part. The Fel-Pro 2941 is a proven OEM-quality replacement that seals reliably without requiring engine...FEL2941- SKU:
- FEL2941
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
- MFG Part #:
- 2941
$40.99 -
Fel-Pro 302 Ford Rear Main Seal 1-pc. 2922 RS
FEL-PRO
$23.99A failing rear main seal is a one-way ticket to oil leaks and engine damage. This Fel-Pro 302 Ford Rear Main Seal stops seepage at the source, protecting your crankshaft and keeping your Small Block Ford's oil where it belongs—inside the engine. Whether...FEL2922RS- SKU:
- FEL2922RS
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MFG Part #:
- 2922 RS
$23.99 -
Fel-Pro SBF Rear Main Seal 1pc. 7/10/83-1993. 2921
FEL-PRO
$39.99A failing rear main seal is one of the most common culprits behind oil leaks on Small Block Ford engines—and ignoring it will cost you more in cleanup and potential engine damage than the seal itself. Fel-Pro's single-piece design eliminates the...FEL2921- SKU:
- FEL2921
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MFG Part #:
- 2921
$39.99