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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
  • Carb Adapter Fitting #8 x 7/8-20 FRG491948

    Fragola Carb Adapter Fitting #8 x 7/8-20 491948

    FRAGOLA

    $9.49
    A quality carburetor inlet fitting is fundamental to reliable fuel delivery in high-performance applications. This Fragola adapter ensures a leak-free connection between your fuel line and carb inlet with precision machining and an O-ring seal design...
    FRG491948
    SKU:
    FRG491948
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    MFG Part #:
    491948
    $9.49
    Qty in Cart: 0
    Quantity:
    Price:
    $9.49
    Subtotal:
  • #12 x #16 Male Reducer Black FRG491923-BL

    Fragola #12 x #16 Male Reducer Black 491923-BL

    FRAGOLA

    $22.99
    When you're running high-flow fuel or coolant lines, mismatched AN fittings can create unnecessary complications and potential leak points. The Fragola #12 x #16 Male Reducer gives you a clean, reliable way to step down from larger 16 AN lines to 12 AN...
    FRG491923-BL
    SKU:
    FRG491923-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.23 LBS
    MFG Part #:
    491923-BL
    $22.99
    Qty in Cart: 0
    Quantity:
    Price:
    $22.99
    Subtotal:
  • #12 x #16 Male Reducer Fitting FRG491923

    Fragola #12 x #16 Male Reducer Fitting 491923

    FRAGOLA

    $13.99
    When you're running multiple fuel lines or hydraulic circuits with different AN port sizes, mismatched fittings become a bottleneck—literally. The Fragola #12 x #16 Male Reducer Fitting bridges that gap with a solid aluminum construction and...
    FRG491923
    SKU:
    FRG491923
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    MFG Part #:
    491923
    $13.99
    Qty in Cart: 0
    Quantity:
    Price:
    $13.99
    Subtotal:
  • #10 x #16 Male Reducer Black FRG491922-BL

    Fragola #10 x #16 Male Reducer Black 491922-BL

    FRAGOLA

    $26.99
    When you're downsizing your hydraulic or fuel line setup, you need a fitting that maintains pressure integrity without compromise. This Fragola reducer seamlessly connects larger 16 AN lines to smaller 10 AN components, eliminating the need for custom...
    FRG491922-BL
    SKU:
    FRG491922-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    MFG Part #:
    491922-BL
    $26.99
    Qty in Cart: 0
    Quantity:
    Price:
    $26.99
    Subtotal:
  • #10 x #12 Male Reducer Fitting Black FRG491920-BL

    Fragola #10 x #12 Male Reducer Fitting Black 491920-BL

    FRAGOLA

    $15.99
    When you're building a custom cooling, fuel, or hydraulic system, mismatched fitting sizes can force expensive redesigns or compromise flow efficiency. The Fragola #10 x #12 Male Reducer Fitting seamlessly transitions between 12 AN and 10 AN ports,...
    FRG491920-BL
    SKU:
    FRG491920-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.16 LBS
    MFG Part #:
    491920-BL
    $15.99
    Qty in Cart: 0
    Quantity:
    Price:
    $15.99
    Subtotal:
  • #12 x #8 Male Reducer Black FRG491919-BL

    Fragola #12 x #8 Male Reducer Black 491919-BL

    FRAGOLA

    $18.99
    When you're running high-flow fuel or coolant lines in a forced induction setup, mismatched AN ports can create bottlenecks and weak points in your system. This Fragola reducer seamlessly steps down from #12 to #8 AN, allowing you to integrate different...
    FRG491919-BL
    SKU:
    FRG491919-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    MFG Part #:
    491919-BL
    $18.99
    Qty in Cart: 0
    Quantity:
    Price:
    $18.99
    Subtotal:
  • #12 x #6 Male Reducer Fitting FRG491918

    Fragola #12 x #6 Male Reducer Fitting 491918

    FRAGOLA

    $9.99
    When you're running dual fuel lines or consolidating hydraulic circuits, you need a fitting that maintains flow integrity without compromising system pressure. The Fragola #12 x #6 Male Reducer is precision-engineered to step down from larger 12 AN...
    FRG491918
    SKU:
    FRG491918
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    MFG Part #:
    491918
    $9.99
    Qty in Cart: 0
    Quantity:
    Price:
    $9.99
    Subtotal:
  • #8 x #10 Male Reducer Black FRG491915-BL

    Fragola #8 x #10 Male Reducer Black 491915-BL

    FRAGOLA

    $11.99
    When you're running high-performance fuel or coolant lines, mismatched AN fitting sizes can force you into bulky adapter chains that compromise flow and add unnecessary weight. This Fragola #8 x #10 Male Reducer gives you a clean, direct step-down from...
    FRG491915-BL
    SKU:
    FRG491915-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    MFG Part #:
    491915-BL
    $11.99
    Qty in Cart: 0
    Quantity:
    Price:
    $11.99
    Subtotal:
  • #8 x #10 Male Reducer Fitting FRG491915

    Fragola #8 x #10 Male Reducer Fitting 491915

    FRAGOLA

    $7.99
    When you're building a custom fuel system or hydraulic line setup, mismatched fitting sizes can force you into costly workarounds or compromises on flow efficiency. The Fragola #8 x #10 Male Reducer Fitting gives you a clean, direct solution to step down...
    FRG491915
    SKU:
    FRG491915
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    MFG Part #:
    491915
    $7.99
    Qty in Cart: 0
    Quantity:
    Price:
    $7.99
    Subtotal:
  • #6 x #10 Male Reducer Black FRG491914-BL

    Fragola #6 x #10 Male Reducer Black 491914-BL

    FRAGOLA

    $13.99
    When you're running high-flow fuel or coolant lines, mismatched port sizes can force unnecessary adapters and compromise system efficiency. This Fragola reducer delivers a straightforward solution, allowing you to connect 10 AN male ports to 6 AN male...
    FRG491914-BL
    SKU:
    FRG491914-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    MFG Part #:
    491914-BL
    $13.99
    Qty in Cart: 0
    Quantity:
    Price:
    $13.99
    Subtotal:
  • #6 x #8 Male Reducer Fitting Black FRG491912-BL

    Fragola #6 x #8 Male Reducer Fitting Black 491912-BL

    FRAGOLA

    $8.49
    When you're running high-flow fuel, coolant, or brake lines through a tight engine bay, you need fittings that handle the transition without compromise. This Fragola reducer allows you to step down from 8 AN to 6 AN plumbing with a reliable, straight...
    FRG491912-BL
    SKU:
    FRG491912-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    MFG Part #:
    491912-BL
    $8.49
    Qty in Cart: 0
    Quantity:
    Price:
    $8.49
    Subtotal:
  • #6 x #8 Male Reducer Fitting FRG491912

    Fragola #6 x #8 Male Reducer Fitting 491912

    FRAGOLA

    $5.99
    When stepping up your fuel system or hydraulic lines, proper fitting adapters are non-negotiable—they ensure leak-free connections and maintain system integrity under racing conditions. This Fragola reducer fitting bridges the gap between #8 AN and #6 AN...
    FRG491912
    SKU:
    FRG491912
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    MFG Part #:
    491912
    $5.99
    Qty in Cart: 0
    Quantity:
    Price:
    $5.99
    Subtotal:
  • #4 x #6 Male Reducer Black FRG491906-BL

    Fragola #4 x #6 Male Reducer Black 491906-BL

    FRAGOLA

    $6.49
    Stepping up to larger diameter hoses or consolidating multiple fuel and fluid lines? This Fragola reducer fitting handles the transition seamlessly, eliminating leaks at the connection point while maintaining full flow integrity. The black anodized...
    FRG491906-BL
    SKU:
    FRG491906-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    491906-BL
    $6.49
    Qty in Cart: 0
    Quantity:
    Price:
    $6.49
    Subtotal:
  • #4 x #6 Male Reducer Fitting FRG491906

    Fragola #4 x #6 Male Reducer Fitting 491906

    FRAGOLA

    $4.99
    When you're running high-flow fuel or coolant systems, fitting size mismatches create unnecessary complexity and potential leakage points. The Fragola #4 x #6 Male Reducer Fitting solves this with a straightforward adapter that lets you confidently...
    FRG491906
    SKU:
    FRG491906
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    491906
    Qty in Cart: 0
    Quantity:
    Price:
    $4.99
    Subtotal:
  • #3 x #4 Male Reducer Black FRG491902-BL

    Fragola #3 x #4 Male Reducer Black 491902-BL

    FRAGOLA

    $6.49
    When you're running tight AN-line routing in a high-performance fuel or coolant system, size mismatches can create unnecessary complications. This Fragola reducer adapter solves that problem by seamlessly connecting 4 AN male ports to 3 AN male systems,...
    FRG491902-BL
    SKU:
    FRG491902-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    491902-BL
    $6.49
    Qty in Cart: 0
    Quantity:
    Price:
    $6.49
    Subtotal:
  • 1/8npt 45 Deg Adapter Fitting Male/Female FRG491501-BL

    Fragola 1/8npt 45 Deg Adapter Fitting Male/Female 491501BL

    FRAGOLA

    $20.99
    Plumbing your fuel, coolant, or pneumatic system requires fittings that won't leak under pressure or fail when temperatures spike. The Fragola 1/8 NPT 45-degree adapter delivers a reliable, compact solution for redirecting fluid and air lines in tight...
    FRG491501-BL
    SKU:
    FRG491501-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    491501BL
    $20.99
    Qty in Cart: 0
    Quantity:
    Price:
    $20.99
    Subtotal:
  • 1/4 x 3/4 Pipe Reducer Bushing Black FRG491209-BL

    Fragola 1/4 x 3/4 Pipe Reducer Bushing Black 491209-BL

    FRAGOLA

    $10.99
    When you're building a custom fuel, coolant, or pneumatic system, port sizing mismatches create flow restrictions and potential leak points. This Fragola reducer bushing provides a clean, reliable solution for stepping down from 3/4 in NPT male ports to...
    FRG491209-BL
    SKU:
    FRG491209-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    491209-BL
    $10.99
    Qty in Cart: 0
    Quantity:
    Price:
    $10.99
    Subtotal:
  • 3/8 x 3/4 Pipe Reducer Bushing Black FRG491208-BL

    Fragola 3/8 x 3/4 Pipe Reducer Bushing Black 491208-BL

    FRAGOLA

    $10.49
    When plumbing your fuel, coolant, or pneumatic systems, mismatched port sizes create unnecessary complexity and potential leak points. The Fragola 3/8 x 3/4 Pipe Reducer Bushing eliminates adapter confusion by providing a direct, reliable step-down from...
    FRG491208-BL
    SKU:
    FRG491208-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    MFG Part #:
    491208-BL
    $10.49
    Qty in Cart: 0
    Quantity:
    Price:
    $10.49
    Subtotal:
  • 1/2 x 3/4 Pipe Reducer Bushing Black FRG491207-BL

    Fragola 1/2 x 3/4 Pipe Reducer Bushing Black 491207-BL

    FRAGOLA

    $13.99
    If you're building a custom fuel, coolant, or hydraulic system, you need reliable fittings that won't leak under pressure. The Fragola 1/2 x 3/4 Pipe Reducer Bushing lets you safely step down line sizes without compromising flow or integrity. This...
    FRG491207-BL
    SKU:
    FRG491207-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    MFG Part #:
    491207-BL
    $13.99
    Qty in Cart: 0
    Quantity:
    Price:
    $13.99
    Subtotal:
  • 1/8 x 1/2 Pipe Reducer Bushing Black FRG491206-BL

    Fragola 1/8 x 1/2 Pipe Reducer Bushing Black 491206-BL

    FRAGOLA

    $8.49
    Proper fluid routing is critical in high-performance applications, and mismatched port sizes can compromise flow, create weak points, and introduce leaks under pressure. The Fragola 1/8 x 1/2 Pipe Reducer Bushing gives you a reliable,...
    FRG491206-BL
    SKU:
    FRG491206-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    491206-BL
    $8.49
    Qty in Cart: 0
    Quantity:
    Price:
    $8.49
    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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