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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
  • #6 x 90 Low Profile Forged Hose End Black FRG109106-BL

    Fragola #6 x 90 Low Profile Forged Hose End Black 109106-BL

    FRAGOLA

    $22.99
    Precision fluid delivery starts with reliable connections, and this Fragola hose end delivers exactly that. The low-profile 90-degree design fits tight engine bays where standard fittings won't work, while the forged aluminum construction handles...
    FRG109106-BL
    SKU:
    FRG109106-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    109106-BL
    $22.99
    Qty in Cart: 0
    Quantity:
    Price:
    $22.99
    Subtotal:
  • #12 x 90 Power Flow Hose End Black FRG109012-BL

    Fragola #12 x 90 Power Flow Hose End Black 109012-BL

    FRAGOLA

    $32.99
    Clean, reliable fuel and fluid delivery is non-negotiable in high-performance applications. This Fragola 90-degree hose end gives you a precision aluminum fitting with full swivel capability, eliminating kinks and stress points in tight engine bays. The...
    FRG109012-BL
    SKU:
    FRG109012-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.27 LBS
    MFG Part #:
    109012-BL
    $32.99
    Qty in Cart: 0
    Quantity:
    Price:
    $32.99
    Subtotal:
  • Hose Fitting #10 90 Deg Black FRG109010-BL

    Fragola Hose Fitting #10 90 Deg Black 109010-BL

    FRAGOLA

    $27.99
    A 90-degree hose fitting is essential for routing high-pressure lines in tight engine bays or custom fuel system builds where space constraints demand directional changes. This Fragola 3000 Series fitting provides reliable, leak-free connections at...
    FRG109010-BL
    SKU:
    FRG109010-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.17 LBS
    MFG Part #:
    109010-BL
    $27.99
    Qty in Cart: 0
    Quantity:
    Price:
    $27.99
    Subtotal:
  • Hose Fitting #10 45 Deg Pro-Flow Black FRG104510-BL

    Fragola Hose Fitting #10 45 Deg Pro-Flow Black 104510-BL

    FRAGOLA

    $33.99
    When you're building a high-flow fuel or coolant system, reliability depends on connections that won't weep or fail under pressure. The Fragola #10 45-degree Pro-Flow fitting delivers a secure, leak-free seal with its precision-engineered aluminum...
    FRG104510-BL
    SKU:
    FRG104510-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    MFG Part #:
    104510-BL
    $33.99
    Qty in Cart: 0
    Quantity:
    Price:
    $33.99
    Subtotal:
  • Hose Fitting #20 Straight Black FRG100120-BL

    Fragola Hose Fitting #20 Straight Black 100120-BL

    FRAGOLA

    $49.99
    A quality hose fitting is the foundation of a reliable fuel, oil, or coolant system—and this Fragola straight fitting delivers the precision connection you need without compromise. The black anodized aluminum construction resists corrosion while...
    FRG100120-BL
    SKU:
    FRG100120-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    MFG Part #:
    100120-BL
    $49.99
    Qty in Cart: 0
    Quantity:
    Price:
    $49.99
    Subtotal:
  • Hose Fitting #16 Str Black FRG100116-BL

    Fragola Hose Fitting #16 Str Black 100116-BL

    FRAGOLA

    $39.99
    When you're building or maintaining a high-performance fuel, oil, or coolant system, connection integrity is non-negotiable. This Fragola straight hose fitting delivers leak-free reliability with a swivel design that simplifies installation and reduces...
    FRG100116-BL
    SKU:
    FRG100116-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.29 LBS
    MFG Part #:
    100116-BL
    $39.99
    Qty in Cart: 0
    Quantity:
    Price:
    $39.99
    Subtotal:
  • #12 Straight Power Flow Hose End Black FRG100112-BL

    Fragola #12 Straight Power Flow Hose End Black 100112-BL

    FRAGOLA

    $15.99
    A reliable hose end fitting is critical for any high-pressure fuel, oil, or coolant system where leaks compromise performance and safety. The Fragola #12 Straight Power Flow Hose End delivers precision engineering with a swivel design that accommodates...
    FRG100112-BL
    SKU:
    FRG100112-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.18 LBS
    MFG Part #:
    100112-BL
    $15.99
    Qty in Cart: 0
    Quantity:
    Price:
    $15.99
    Subtotal:
  • Hose Fitting #10 Straight Black FRG100110-BL

    Fragola Hose Fitting #10 Straight Black 100110-BL

    FRAGOLA

    $15.99
    Reliable hose connections are critical in high-performance fuel, coolant, and brake systems where pressure spikes and vibration demand zero-tolerance fittings. This Fragola straight fitting delivers proven durability with CNC-precise construction and...
    FRG100110-BL
    SKU:
    FRG100110-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.14 LBS
    MFG Part #:
    100110-BL
    $15.99
    Qty in Cart: 0
    Quantity:
    Price:
    $15.99
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  • Hose Fitting #8 Straight Black FRG100108-BL

    Fragola Hose Fitting #8 Straight Black 100108-BL

    FRAGOLA

    $9.99
    When you're building or upgrading a high-performance fuel system, cooling loop, or hydraulic line, reliability depends on secure, leak-free connections. The Fragola #8 Straight Hose Fitting delivers the precision engineering and durability you need to...
    FRG100108-BL
    SKU:
    FRG100108-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    MFG Part #:
    100108-BL
    $9.99
    Qty in Cart: 0
    Quantity:
    Price:
    $9.99
    Subtotal:
  • Hose Fitting #6 Straight Black FRG100106-BL

    Fragola Hose Fitting #6 Straight Black 100106-BL

    FRAGOLA

    $9.99
    A reliable hose fitting is the foundation of any high-performance fuel, oil, or coolant system—and this Fragola straight fitting delivers exactly that with zero compromise. The black anodized aluminum construction resists corrosion while maintaining a...
    FRG100106-BL
    SKU:
    FRG100106-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    MFG Part #:
    100106-BL
    $9.99
    Qty in Cart: 0
    Quantity:
    Price:
    $9.99
    Subtotal:
  • Hose Fitting #4 Straight Black FRG100104-BL

    Fragola Hose Fitting #4 Straight Black 100104-BL

    FRAGOLA

    $9.49
    If you're building a custom fuel, oil, or coolant system, reliable hose connections are non-negotiable—leaks compromise performance and create safety hazards. The Fragola 3000 Series fitting delivers straightforward, leak-free connections with anodized...
    FRG100104-BL
    SKU:
    FRG100104-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    100104-BL
    $9.49
    Qty in Cart: 0
    Quantity:
    Price:
    $9.49
    Subtotal:
  • 1/2in Pipe Plug Ano-Tuff  EARAT993205ERL

    Earls 1/2in Pipe Plug Ano-Tuff AT993205ERL

    EARLS

    $8.61
    Fluid system plumbing requires reliable, corrosion-resistant fittings that won't compromise flow or durability. The Earls 1/2in Pipe Plug delivers a precision-engineered solution for sealing NPT ports in custom cooling, fuel, and oil lines. Its black...
    EARAT993205ERL
    SKU:
    EARAT993205ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    AT993205ERL
    $8.61
    Qty in Cart: 0
    Quantity:
    Price:
    $8.61
    Subtotal:
  • Cap Plug 12an (1pk)  EARAT992912ERL

    Earls Cap Plug 12an (1pk) AT992912ERL

    EARLS

    $17.21
    A quality cap plug is essential for a clean, leak-free hydraulic or fuel system. This 12AN fitting from Earls seals unused ports while maintaining system integrity under pressure, preventing contamination and fluid loss. The black anodized aluminum...
    EARAT992912ERL
    SKU:
    EARAT992912ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    MFG Part #:
    AT992912ERL
    $17.21
    Qty in Cart: 0
    Quantity:
    Price:
    $17.21
    Subtotal:
  • Cap Plug 10an (1pk)  EARAT992910ERL

    Earls Cap Plug 10an (1pk) AT992910ERL

    EARLS

    $14.31
    When routing high-flow fuel, coolant, or hydraulic lines through your engine bay, open AN fittings are a liability—they invite contamination, leaks, and pressure loss. This Earls cap plug seals 10 AN ports with precision-engineered reliability, keeping...
    EARAT992910ERL
    SKU:
    EARAT992910ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    AT992910ERL
    $14.31
    Qty in Cart: 0
    Quantity:
    Price:
    $14.31
    Subtotal:
  • Cap Plug 8an (1pk)  EARAT992908ERL

    Earls Cap Plug 8an (1pk) AT992908ERL

    EARLS

    $11.47
    A quality cap plug is essential for any high-performance fuel system or cooling line setup—it seals unused AN ports and prevents fluid leakage, contamination, and air introduction into your system. This Earls 8AN cap plug delivers reliable sealing with a...
    EARAT992908ERL
    SKU:
    EARAT992908ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    MFG Part #:
    AT992908ERL
    $11.47
    Qty in Cart: 0
    Quantity:
    Price:
    $11.47
    Subtotal:
  • #6 Fuel Bowl Adapter w/ 3/4-16 Threads EARAT991959ERL

    Earls #6 Fuel Bowl Adapter w/ 3/4-16 Threads AT991959ERL

    EARLS

    $18.62
    If you're running a fuel system that requires industry-standard -6 AN fittings to interface with 3/4-16 threaded ports, this Earls adapter delivers a straightforward, leak-free solution. The black anodized aluminum construction resists corrosion while...
    EARAT991959ERL
    SKU:
    EARAT991959ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    AT991959ERL
    $18.62
    Qty in Cart: 0
    Quantity:
    Price:
    $18.62
    Subtotal:
  • #8 Fuel Bowl Adapter w/ 3/4-16 Threads EARAT991958ERL

    Earls #8 Fuel Bowl Adapter w/ 3/4-16 Threads AT991958ERL

    EARLS

    $20.09
    If you're running a fuel system that bridges different thread standards, this Earls adapter eliminates confusion and ensures a leak-free connection at a critical junction. The straight-flow design minimizes turbulence, while the black anodized aluminum...
    EARAT991958ERL
    SKU:
    EARAT991958ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    AT991958ERL
    $20.09
    Qty in Cart: 0
    Quantity:
    Price:
    $20.09
    Subtotal:
  • Carb Adapter Fitting 8an to 7/8-20 (Long) EARAT991948ERL

    Earls Carb Adapter Fitting 8an to 7/8-20 (Long) AT991948ERL

    EARLS

    $15.04
    If you're running a fuel system upgrade on your Holley carb, a proper adapter fitting is non-negotiable—it's where precision fuel delivery begins. The Earls Carb Adapter Fitting ensures a leak-free, secure connection between your -8 AN fuel line and the...
    EARAT991948ERL
    SKU:
    EARAT991948ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    MFG Part #:
    AT991948ERL
    $15.04
    Qty in Cart: 0
    Quantity:
    Price:
    $15.04
    Subtotal:
  • #6 > 5/8-18 Alm Power Steering Fitting Black EARAT991947ERL

    Earls #6 > 5/8-18 Alm Power Steering Fitting Black AT991947ERL

    EARLS

    $15.76
    If you're upgrading your power steering system or integrating aftermarket components, you need fittings that match both your existing hardline specifications and your new performance plumbing. This Earls adapter bridges the gap between 5/8-18 inch...
    EARAT991947ERL
    SKU:
    EARAT991947ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    AT991947ERL
    $15.76
    Qty in Cart: 0
    Quantity:
    Price:
    $15.76
    Subtotal:
  • Carb Adapter Fitting 6an to 7/8-20 EARAT991943ERL

    Earls Carb Adapter Fitting 6an to 7/8-20 AT991943ERL

    EARLS

    $17.20
    If you're running a carbureted engine with a fuel system upgrade, a proper adapter fitting is non-negotiable for reliable fuel delivery and leak-free connections. This Earls carb adapter bridges the gap between modern -6 AN fuel line standards and...
    EARAT991943ERL
    SKU:
    EARAT991943ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    AT991943ERL
    $17.20
    Qty in Cart: 0
    Quantity:
    Price:
    $17.20
    Subtotal:
  • Total: items /

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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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