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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 An Flare To 1/2in Pipe AERFCM2525

    Aeroquip #6 An Flare To 1/2in Pipe FCM2525

    AEROQUIP

    $5.99
    When you need a reliable, leak-free connection between your AN fuel or oil line and a standard pipe fitting, the Aeroquip FCM2525 is the go-to adapter trusted by builders and racers alike. Built from solid steel for lasting durability, this straight...
    AERFCM2525
    SKU:
    AERFCM2525
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    MFG Part #:
    FCM2525
    Qty in Cart: 0
    Quantity:
    Price:
    $5.99
    Subtotal:
  • #4 An Flare To 1/2in Pipe AERFCM2524

    Aeroquip #4 An Flare To 1/2in Pipe FCM2524

    AEROQUIP

    $8.99
    When precision and reliability matter most, the Aeroquip FCM2524 delivers a clean, leak-free connection between your AN and NPT fittings without compromise. Built from tough steel construction, this straight adapter is a must-have for custom plumbing...
    AERFCM2524
    SKU:
    AERFCM2524
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    MFG Part #:
    FCM2524
    $8.99
    Qty in Cart: 0
    Quantity:
    Price:
    $8.99
    Subtotal:
  • #10 An Flare To 3/8in Pipe AERFCM2523

    Aeroquip #10 An Flare To 3/8in Pipe FCM2523

    AEROQUIP

    $9.19
    When you need a reliable, leak-free connection between AN and NPT fittings, the Aeroquip FCM2523 delivers exactly that — no compromises. Built tough from quality steel, this straight adapter is a go-to solution for racers, builders, and performance...
    AERFCM2523
    SKU:
    AERFCM2523
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    MFG Part #:
    FCM2523
    $9.19
    Qty in Cart: 0
    Quantity:
    Price:
    $9.19
    Subtotal:
  • #6 An Flare To 3/8in Pipe AERFCM2521

    Aeroquip #6 An Flare To 3/8in Pipe FCM2521

    AEROQUIP

    $5.59
    When you need a reliable, leak-free connection between AN and NPT fittings, the Aeroquip FCM2521 delivers exactly that. Built from tough steel and engineered for precision, this straight adapter makes plumbing your fuel, oil, or hydraulic lines a clean...
    AERFCM2521
    SKU:
    AERFCM2521
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    MFG Part #:
    FCM2521
    $5.59
    Qty in Cart: 0
    Quantity:
    Price:
    $5.59
    Subtotal:
  • #4 An Flare To 3/8in Pipe AERFCM2519

    Aeroquip #4 An Flare To 3/8in Pipe FCM2519

    AEROQUIP

    $6.99
    When you need a clean, reliable connection between AN and NPT fittings, the Aeroquip FCM2519 gets the job done right the first time. Built with precision-machined steel, this straight adapter is a go-to solution for motorsport builds, hydraulic systems,...
    AERFCM2519
    SKU:
    AERFCM2519
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    MFG Part #:
    FCM2519
    $6.99
    Qty in Cart: 0
    Quantity:
    Price:
    $6.99
    Subtotal:
  • Steel 1/4 Mp/#8 37deg Fl  AERFCM2518

    Aeroquip Steel 1/4 Mp/#8 37deg Fl FCM2518

    AEROQUIP

    $11.99
    When precision and reliability matter most, the Aeroquip FCM2518 delivers a rock-solid connection between your AN and NPT fittings without compromise. Built from durable steel, this straight adapter is a go-to solution for performance builds, hydraulic...
    AERFCM2518
    SKU:
    AERFCM2518
    Availability:
    Ships Same Business Day
    Weight:
    0.14 LBS
    MFG Part #:
    FCM2518
    $11.99
    Qty in Cart: 0
    Quantity:
    Price:
    $11.99
    Subtotal:
  • #4 An Flare To 1/4in Pipe AERFCM2515

    Aeroquip #4 An Flare To 1/4in Pipe FCM2515

    AEROQUIP

    $6.99
    When precision and reliability matter most, the Aeroquip FCM2515 delivers a rock-solid connection between your AN and NPT fittings without compromise. Built from durable steel, this straight adapter makes plumbing your fuel, oil, or brake lines clean and...
    AERFCM2515
    SKU:
    AERFCM2515
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    MFG Part #:
    FCM2515
    Qty in Cart: 0
    Quantity:
    Price:
    $6.99
    Subtotal:
  • 1/8in Mp /#6 37 Deg. Flare AERFCM2514

    Aeroquip 1/8in Mp /#6 37 Deg. Flare FCM2514

    AEROQUIP

    $6.99
    When precision and reliability matter, the Aeroquip FCM2514 delivers a clean, leak-free connection that performance enthusiasts can count on. This straight adapter fitting bridges the gap between -6 AN and 1/8" NPT male threads with the trusted quality...
    AERFCM2514
    SKU:
    AERFCM2514
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    MFG Part #:
    FCM2514
    $6.99
    Qty in Cart: 0
    Quantity:
    Price:
    $6.99
    Subtotal:
  • #4 An Flare To 1/8in Pipe AERFCM2512

    Aeroquip #4 An Flare To 1/8in Pipe FCM2512

    AEROQUIP

    $4.99
    When precision and reliability matter most, the Aeroquip FCM2512 delivers a clean, leak-free connection between your AN fluid lines and NPT fittings. Built from durable steel, this straightforward adapter is a go-to solution for racers, builders, and...
    AERFCM2512
    SKU:
    AERFCM2512
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    FCM2512
    $4.99
    Qty in Cart: 0
    Quantity:
    Price:
    $4.99
    Subtotal:
  • #3 An Flare To 1/8in Pipe AERFCM2511

    Aeroquip #3 An Flare To 1/8in Pipe FCM2511

    AEROQUIP

    $4.59
    When precision and reliability matter most, the Aeroquip FCM2511 delivers a clean, leak-free connection between your AN and NPT fittings. Built from tough steel, this straightforward adapter is a go-to solution for motorsport builds, fuel systems, and...
    AERFCM2511
    SKU:
    AERFCM2511
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    FCM2511
    $4.59
    Qty in Cart: 0
    Quantity:
    Price:
    $4.59
    Subtotal:
  • `-12 Steel To -10 Reducer Fitting AERFCM2422

    Aeroquip `-12 Steel To -10 Reducer Fitting FCM2422

    AEROQUIP

    $15.99
    When you need a reliable, no-nonsense solution for connecting different AN line sizes, the Aeroquip FCM2422 -12 to -10 Reducer Fitting delivers exactly what performance builders demand. Built from durable steel, this straight adapter makes routing your...
    AERFCM2422
    SKU:
    AERFCM2422
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    MFG Part #:
    FCM2422
    $15.99
    Qty in Cart: 0
    Quantity:
    Price:
    $15.99
    Subtotal:
  • #10 Steel To -08 Reducer Fitting AERFCM2421

    Aeroquip #10 Steel To -08 Reducer Fitting FCM2421

    AEROQUIP

    $18.99
    When you need a reliable, precision-engineered solution for adapting your fuel, oil, or coolant lines, the Aeroquip FCM2421 delivers exactly what you need. This rugged steel reducer fitting makes it effortless to connect -10 AN female and -8 AN male...
    AERFCM2421
    SKU:
    AERFCM2421
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    MFG Part #:
    FCM2421
    Qty in Cart: 0
    Quantity:
    Price:
    $18.99
    Subtotal:
  • #12 To #8 Reducer Steel  AERFCM2414

    Aeroquip #12 To #8 Reducer Steel FCM2414

    AEROQUIP

    $11.99
    When you need a reliable, no-nonsense solution for stepping down your fuel or fluid lines, the Aeroquip FCM2414 has you covered. Built from tough steel construction, this reducer fitting delivers a secure, leak-free connection that serious performance...
    AERFCM2414
    SKU:
    AERFCM2414
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    MFG Part #:
    FCM2414
    $11.99
    Qty in Cart: 0
    Quantity:
    Price:
    $11.99
    Subtotal:
  • #12 To #6 Reducer Steel  AERFCM2413

    Aeroquip #12 To #6 Reducer Steel FCM2413

    AEROQUIP

    $12.99
    When you need to bridge two different line sizes without compromise, the Aeroquip FCM2413 is the adapter you can trust. Built from solid steel for lasting durability, this straight reducer fitting makes clean, leak-free connections between #12 and #6 AN...
    AERFCM2413
    SKU:
    AERFCM2413
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    MFG Part #:
    FCM2413
    $12.99
    Qty in Cart: 0
    Quantity:
    Price:
    $12.99
    Subtotal:
  • #10 To #6 Reducer Steel  AERFCM2411

    Aeroquip #10 To #6 Reducer Steel FCM2411

    AEROQUIP

    $21.49
    When you need a reliable, no-nonsense solution for connecting different AN line sizes, the Aeroquip FCM2411 #10 to #6 Reducer delivers the precision fit and durability that serious builders demand. Crafted from solid steel, this adapter ensures a...
    AERFCM2411
    SKU:
    AERFCM2411
    Availability:
    Ships Same Business Day
    Weight:
    0.17 LBS
    MFG Part #:
    FCM2411
    $21.49
    Qty in Cart: 0
    Quantity:
    Price:
    $21.49
    Subtotal:
  • #8 To #6 Reducer Steel  AERFCM2410

    Aeroquip #8 To #6 Reducer Steel FCM2410

    AEROQUIP

    $12.99
    When your fuel or fluid system needs a seamless size transition, the Aeroquip FCM2410 #8 to #6 Reducer delivers a rock-solid, leak-free connection you can count on. Built from durable steel construction, this straight adapter fitting makes downsizing...
    AERFCM2410
    SKU:
    AERFCM2410
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    MFG Part #:
    FCM2410
    $12.99
    Qty in Cart: 0
    Quantity:
    Price:
    $12.99
    Subtotal:
  • #8 To #4 Reducer Steel  AERFCM2409

    Aeroquip #8 To #4 Reducer Steel FCM2409

    AEROQUIP

    $13.99
    Keep your fluid lines connected and flowing efficiently with the Aeroquip FCM2409 #8 to #4 Reducer — a precision-machined fitting built for serious performance applications. Whether you're building a custom fuel, oil, or brake system, this straight...
    AERFCM2409
    SKU:
    AERFCM2409
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    MFG Part #:
    FCM2409
    Qty in Cart: 0
    Quantity:
    Price:
    $13.99
    Subtotal:
  • #6 To #4 Reducer Steel  AERFCM2408

    Aeroquip #6 To #4 Reducer Steel FCM2408

    AEROQUIP

    $10.99
    When you need a reliable, precision-engineered solution for stepping down your fluid line connections, the Aeroquip FCM2408 #6 to #4 Reducer delivers exactly what serious builders demand. Crafted from durable steel, this straight adapter makes quick work...
    AERFCM2408
    SKU:
    AERFCM2408
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    MFG Part #:
    FCM2408
    Qty in Cart: 0
    Quantity:
    Price:
    $10.99
    Subtotal:
  • #12 Tank Welding Bung  AERFCM2406

    Aeroquip #12 Tank Welding Bung FCM2406

    AEROQUIP

    $40.99
    Take your fuel or fluid system builds to the next level with the Aeroquip #12 Tank Welding Bung (FCM2406) — a precision-crafted, weld-on solution that delivers rock-solid, leak-free connections every time. Machined from lightweight aluminum, this bung is...
    AERFCM2406
    SKU:
    AERFCM2406
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    MFG Part #:
    FCM2406
    $40.99
    Qty in Cart: 0
    Quantity:
    Price:
    $40.99
    Subtotal:
  • #10 Tank Welding Bung  AERFCM2405

    Aeroquip #10 Tank Welding Bung FCM2405

    AEROQUIP

    $35.99
    Build a leak-free, high-performance fuel system from the ground up with the Aeroquip #10 Tank Welding Bung FCM2405. Designed for a clean, permanent weld-on installation, this bung gives you a rock-solid 10 AN female port right on your tank. Whether...
    AERFCM2405
    SKU:
    AERFCM2405
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    MFG Part #:
    FCM2405
    $35.99
    Qty in Cart: 0
    Quantity:
    Price:
    $35.99
    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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