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Fittings and Plugs

Fittings and Plugs

Fittings and Plugs

Circle Track AN/NPT Fittings & Plugs at JJ Motorsports

Achieve precision and reliability with fittings and plugs designed for high-pressure applications from JJ Motorsports. These components are essential for creating secure, leak-free connections in fuel, oil, and fluid lines, keeping your circle track car in peak condition. Integrate them with other specialized high-performance components to elevate your setup.

Shop trusted brands like Fragola for push-lock fittings, Aeroquip for bulkhead options, JJ Motorsports for custom kits, and Allstar Performance for versatile solutions. Explore related categories such as Hose Ends for secure connections or Cap and Plug Fittings for sealing needs.

Top Circle Track AN/NPT Fittings & Plugs

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
  • Adapter Fitting Tee AN Female Swvl on Run 4an EARAT926104ERL

    Earls Adapter Fitting Tee AN Female Swvl on Run 4an AT926104ERL

    EARLS

    $38.37
    Fluid distribution in forced induction and high-flow cooling systems demands reliable, leak-free connections—and this Earls tee adapter delivers exactly that. The swivel female connection on the run eliminates hose binding stress while dual male ports...
    EARAT926104ERL
    SKU:
    EARAT926104ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    AT926104ERL
    $38.37
    Qty in Cart: 0
    Quantity:
    Price:
    $38.37
    Subtotal:
  • Adapter Fitting Tee AN Female Swvl on Run 3an EARAT926103ERL

    Earls Adapter Fitting Tee AN Female Swvl on Run 3an AT926103ERL

    EARLS

    $47.75
    Fluid distribution is critical in high-performance fuel, coolant, and boost systems—and a quality adapter fitting ensures leak-free connections at multiple points. The Earls 3AN Tee adapter gives you the flexibility to split lines without compromising...
    EARAT926103ERL
    SKU:
    EARAT926103ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    MFG Part #:
    AT926103ERL
    $47.75
    Qty in Cart: 0
    Quantity:
    Price:
    $47.75
    Subtotal:
  • #10 T Female AN Swivel On Side Ano-Tuff Fitting EARAT925110ERL

    Earls #10 T Female AN Swivel On Side Ano-Tuff Fitting AT925110ERL

    EARLS

    $68.25
    Fluid line management in high-performance racing demands fittings that won't leak under pressure and won't fail when vibration and heat are working against you. This Earl's T-fitting gives you a reliable junction point for coolant, fuel, or oil lines,...
    EARAT925110ERL
    SKU:
    EARAT925110ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    MFG Part #:
    AT925110ERL
    $68.25
    Qty in Cart: 0
    Quantity:
    Price:
    $68.25
    Subtotal:
  • Adapter Fitting Tee AN Female Swvl on Side 8an EARAT925108ERL

    Earls Adapter Fitting Tee AN Female Swvl on Side 8an AT925108ERL

    EARLS

    $61.45
    A quality adapter fitting is essential for custom fluid line routing in high-performance applications where standard configurations don't meet your plumbing needs. This Earls tee adapter delivers reliable AN-standard connections with a swivel port,...
    EARAT925108ERL
    SKU:
    EARAT925108ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    MFG Part #:
    AT925108ERL
    $61.45
    Qty in Cart: 0
    Quantity:
    Price:
    $61.45
    Subtotal:
  • Adapter Fitting Tee AN Female Swvl on Side 6an EARAT925106ERL

    Earls Adapter Fitting Tee AN Female Swvl on Side 6an AT925106ERL

    EARLS

    $38.37
    Fluid line routing in high-performance applications demands reliable, leak-free connections that can handle pressure spikes and vibration. This Earls adapter fitting tee gives you the flexibility to split or merge 6 AN lines with a swivel connection on...
    EARAT925106ERL
    SKU:
    EARAT925106ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    AT925106ERL
    Qty in Cart: 0
    Quantity:
    Price:
    $38.37
    Subtotal:
  • Swivel Fitting Female to Male 10an 45 Deg EARAT924110ERL

    Earls Swivel Fitting Female to Male 10an 45 Deg AT924110ERL

    EARLS

    $68.35
    Fluid line routing in tight engine bays demands precision fittings that won't leak under pressure. This Earls swivel fitting eliminates the guesswork by allowing 45-degree directional changes while maintaining a secure, leak-free connection—critical for...
    EARAT924110ERL
    SKU:
    EARAT924110ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    MFG Part #:
    AT924110ERL
    $68.35
    Qty in Cart: 0
    Quantity:
    Price:
    $68.35
    Subtotal:
  • Swivel Fitting Female to Male 8an 45 Deg EARAT924108ERL

    Earls Swivel Fitting Female to Male 8an 45 Deg AT924108ERL

    EARLS

    $47.72
    If you're routing fluid lines in a tight engine bay or custom fabrication, this 45-degree swivel fitting gives you the directional flexibility to avoid kinks, clamps, and damage while maintaining a secure, leak-free connection. The 8AN female-to-male...
    EARAT924108ERL
    SKU:
    EARAT924108ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    AT924108ERL
    $47.72
    Qty in Cart: 0
    Quantity:
    Price:
    $47.72
    Subtotal:
  • Swivel Fitting Female to Male 6an 45 Deg EARAT924106ERL

    Earls Swivel Fitting Female to Male 6an 45 Deg AT924106ERL

    EARLS

    $31.96
    Fluid line routing demands precision, and this 45-degree swivel fitting eliminates the guesswork from your fuel, oil, or coolant system setup. The female-to-male 6 AN configuration with swivel design accommodates tight engine bays and complex plumbing...
    EARAT924106ERL
    SKU:
    EARAT924106ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    AT924106ERL
    $31.96
    Qty in Cart: 0
    Quantity:
    Price:
    $31.96
    Subtotal:
  • Swivel Fitting Female to Male 4an 45 Deg EARAT924104ERL

    Earls Swivel Fitting Female to Male 4an 45 Deg AT924104ERL

    EARLS

    $33.48
    Swivel fittings are essential for any custom fuel, oil, or coolant line setup where rigid angles create installation constraints or vibration stress. This 45-degree adapter eliminates the need for multiple fittings or hard-line bends, reducing connection...
    EARAT924104ERL
    SKU:
    EARAT924104ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    MFG Part #:
    AT924104ERL
    $33.48
    Qty in Cart: 0
    Quantity:
    Price:
    $33.48
    Subtotal:
  • Adapter Fitting 6an Male Swvl to Male 3/8 NPT 90 EARAT922166ERL

    Earls Adapter Fitting 6an Male Swvl to Male 3/8 NPT 90 AT922166ERL

    EARLS

    $46.90
    If you're building a custom fuel, coolant, or brake line system, you need fittings that handle high-pressure flow without leaks or compatibility issues. This Earl's adapter bridges 6 AN and 3/8" NPT connections with a 90-degree angle, letting you route...
    EARAT922166ERL
    SKU:
    EARAT922166ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    AT922166ERL
    $46.90
    Qty in Cart: 0
    Quantity:
    Price:
    $46.90
    Subtotal:
  • Swivel Fitting Female to Male 12an 90 Deg EARAT921112ERL

    Earls Swivel Fitting Female to Male 12an 90 Deg AT921112ERL

    EARLS

    $57.59
    Fluid routing demands precision, and this Earls swivel fitting delivers exactly that. The 90-degree configuration eliminates hard bends in tight engine bays, while the swivel design reduces stress on hose connections and fittings during vibration cycles...
    EARAT921112ERL
    SKU:
    EARAT921112ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    MFG Part #:
    AT921112ERL
    $57.59
    Qty in Cart: 0
    Quantity:
    Price:
    $57.59
    Subtotal:
  • Swivel Fitting Female to Male 8an 90 Deg EARAT921108ERL

    Earls Swivel Fitting Female to Male 8an 90 Deg AT921108ERL

    EARLS

    $38.37
    Tight engine bays and complex plumbing layouts demand fittings that work around obstacles without compromising flow or reliability. This Earls 90-degree swivel fitting eliminates the need for multiple adapters or custom fabrication by allowing you to...
    EARAT921108ERL
    SKU:
    EARAT921108ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    AT921108ERL
    $38.37
    Qty in Cart: 0
    Quantity:
    Price:
    $38.37
    Subtotal:
  • #6 90 Deg Male to Female Swivel Ano-Tuff Fitting EARAT921106ERL

    Earls #6 90 Deg Male to Female Swivel Ano-Tuff Fitting AT921106ERL

    EARLS

    $32.58
    When you're building a custom fuel system or hydraulic line setup, directional flexibility is non-negotiable. This 90-degree swivel fitting eliminates the need for multiple adapters and hard bends, protecting your lines from stress points and potential...
    EARAT921106ERL
    SKU:
    EARAT921106ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    AT921106ERL
    $32.58
    Qty in Cart: 0
    Quantity:
    Price:
    $32.58
    Subtotal:
  • Swivel Fitting Female to Male 4an 90 Deg EARAT921104ERL

    Earls Swivel Fitting Female to Male 4an 90 Deg AT921104ERL

    EARLS

    $31.96
    Reliable hose routing requires fittings that won't compromise flow or create weak points under pressure. This Earls swivel fitting eliminates kinks and stress concentration by allowing 90-degree directional changes while maintaining a secure, leak-free...
    EARAT921104ERL
    SKU:
    EARAT921104ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    MFG Part #:
    AT921104ERL
    $31.96
    Qty in Cart: 0
    Quantity:
    Price:
    $31.96
    Subtotal:
  • Swivel Fitting Female to Male 3an 90 Deg EARAT921103ERL

    Earls Swivel Fitting Female to Male 3an 90 Deg AT921103ERL

    EARLS

    $44.76
    A 90-degree swivel fitting is essential for routing high-pressure fluid lines in tight engine bays where rigid connections create stress points and potential failure. This Earls adapter eliminates the need for costly custom fabrication by providing a...
    EARAT921103ERL
    SKU:
    EARAT921103ERL
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    MFG Part #:
    AT921103ERL
    $44.76
    Qty in Cart: 0
    Quantity:
    Price:
    $44.76
    Subtotal:
  • Adapter Fitting 6an Fem Swivel to Male 3/8 NPT EARAT916166ERL

    Earls Adapter Fitting 6an Fem Swivel to Male 3/8 NPT AT916166ERL

    EARLS

    $22.97
    If you're building a custom fuel, oil, or coolant system, mismatched port sizes will force you to choose between compromised flow rates or unreliable adapters. This Earls 6AN-to-3/8 NPT adapter bridges the gap between modern -6 hose standards and legacy...
    EARAT916166ERL
    SKU:
    EARAT916166ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    MFG Part #:
    AT916166ERL
    $22.97
    Qty in Cart: 0
    Quantity:
    Price:
    $22.97
    Subtotal:
  • Adapter Fitting 8an Fem Swivel to Male 3/8 NPT EARAT916108ERL

    Earls Adapter Fitting 8an Fem Swivel to Male 3/8 NPT AT916108ERL

    EARLS

    $22.97
    If you're running custom fuel, coolant, or boost lines in your build, you need reliable adapter fittings that bridge different port standards without compromising flow or safety. This Earls adapter connects 8 AN female swivel ports to standard 3/8" NPT...
    EARAT916108ERL
    SKU:
    EARAT916108ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    AT916108ERL
    $22.97
    Qty in Cart: 0
    Quantity:
    Price:
    $22.97
    Subtotal:
  • Adapter Fitting 6an Fem Swivel to Male 1/4 NPT EARAT916106ERL

    Earls Adapter Fitting 6an Fem Swivel to Male 1/4 NPT AT916106ERL

    EARLS

    $18.66
    If you're running fluid lines in your race car or performance build, adapter fittings are non-negotiable for reliable system integration. This Earls adapter bridges 6 AN swivel connections to 1/4 in NPT ports, eliminating the need for custom fabrication...
    EARAT916106ERL
    SKU:
    EARAT916106ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    AT916106ERL
    $18.66
    Qty in Cart: 0
    Quantity:
    Price:
    $18.66
    Subtotal:
  • Swivel Coupling Fitting 8an to 6an Female Str EARAT915186ERL

    Earls Swivel Coupling Fitting 8an to 6an Female Str AT915186ERL

    EARLS

    $18.66
    When you're running multiple fluid lines with different AN sizes, adapter fittings are critical to maintaining system integrity without compromising flow or introducing leak points. This Earls swivel coupling gives you a reliable 8AN-to-6AN transition...
    EARAT915186ERL
    SKU:
    EARAT915186ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    AT915186ERL
    Qty in Cart: 0
    Quantity:
    Price:
    $18.66
    Subtotal:
  • Swivel Coupling Fitting 16an Female Straight EARAT915116ERL

    Earls Swivel Coupling Fitting 16an Female Straight AT915116ERL

    EARLS

    $38.37
    Fluid line connections demand precision and reliability, especially in high-performance applications where pressure spikes and vibration are constant threats. This Earls swivel coupling fitting eliminates the need for separate adapters by providing...
    EARAT915116ERL
    SKU:
    EARAT915116ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    MFG Part #:
    AT915116ERL
    $38.37
    Qty in Cart: 0
    Quantity:
    Price:
    $38.37
    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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