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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
  • #8 Alm Tube nut  AERFCM3676

    Aeroquip #8 Alm Tube nut FCM3676

    AEROQUIP

    $6.59
    Keep your fuel, oil, or brake lines locked down tight with the Aeroquip FCM3676 #8 Aluminum Tube Nut — a go-to choice for performance builders who refuse to compromise on quality. Crafted from lightweight aluminum with a sharp blue anodized finish, these...
    AERFCM3676
    SKU:
    AERFCM3676
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    MFG Part #:
    FCM3676
    Qty in Cart: 0
    Quantity:
    Price:
    $6.59
    Subtotal:
  • #6 Alm Tube Nut  AERFCM3675

    Aeroquip #6 Alm Tube Nut FCM3675

    AEROQUIP

    $5.59
    Keep your fuel, oil, or brake lines locked down with confidence using the Aeroquip #6 Aluminum Tube Nut (FCM3675) — a trusted choice for performance builds that demand precision and reliability. Crafted from lightweight aluminum with a striking blue...
    AERFCM3675
    SKU:
    AERFCM3675
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    FCM3675
    $5.59
    Qty in Cart: 0
    Quantity:
    Price:
    $5.59
    Subtotal:
  • #10 Alm Tube Sleeve  AERFCM3673

    Aeroquip #10 Alm Tube Sleeve FCM3673

    AEROQUIP

    $5.59
    Upgrade your fuel or fluid lines with confidence using the Aeroquip FCM3673 Aluminum Tube Sleeve — a precision-crafted fitting designed for reliability under pressure. Built for performance enthusiasts who refuse to compromise, this blue anodized sleeve...
    AERFCM3673
    SKU:
    AERFCM3673
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    FCM3673
    Qty in Cart: 0
    Quantity:
    Price:
    $5.59
    Subtotal:
  • #8 Alm Tube Sleeve  AERFCM3672

    Aeroquip #8 Alm Tube Sleeve FCM3672

    AEROQUIP

    $6.09
    Upgrade your fuel or fluid lines with confidence using the Aeroquip FCM3672 Aluminum Tube Sleeve — a trusted choice for performance builders who demand precision and reliability. Engineered to deliver a secure, leak-free connection, this anodized...
    AERFCM3672
    SKU:
    AERFCM3672
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    FCM3672
    Qty in Cart: 0
    Quantity:
    Price:
    $6.09
    Subtotal:
  • #4 Alm Tube Sleeve  AERFCM3670

    Aeroquip #4 Alm Tube Sleeve FCM3670

    AEROQUIP

    $6.59
    When precision and reliability matter most, the Aeroquip FCM3670 Tube Sleeves deliver a secure, leak-free connection that serious builders and racers trust. Crafted from lightweight aluminum with a striking blue anodized finish, these sleeves are as...
    AERFCM3670
    SKU:
    AERFCM3670
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    FCM3670
    $6.59
    Qty in Cart: 0
    Quantity:
    Price:
    $6.59
    Subtotal:
  • #3 Alm Tube Sleeve  AERFCM3669

    Aeroquip #3 Alm Tube Sleeve FCM3669

    AEROQUIP

    $10.49
    Keep your fuel, oil, or brake lines secure and leak-free with the Aeroquip #3 Aluminum Tube Sleeve (FCM3669) — a go-to choice for performance builders who refuse to compromise on quality. Crafted from lightweight aluminum with a sleek blue anodized...
    AERFCM3669
    SKU:
    AERFCM3669
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    FCM3669
    $10.49
    Qty in Cart: 0
    Quantity:
    Price:
    $10.49
    Subtotal:
  • #4 Tube Sleeve Steel  AERFCM3668

    Aeroquip #4 Tube Sleeve Steel FCM3668

    AEROQUIP

    $7.59
    Keep your fuel, oil, or brake lines sealed tight with the Aeroquip #4 Tube Sleeve Steel FCM3668 — a trusted solution built for performance applications where reliability is non-negotiable. Crafted from durable steel with a premium nickel-plated finish,...
    AERFCM3668
    SKU:
    AERFCM3668
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    FCM3668
    Qty in Cart: 0
    Quantity:
    Price:
    $7.59
    Subtotal:
  • #3 Tube Sleeve Steel (6pk) AERFCM3667

    Aeroquip #3 Tube Sleeve Steel (6pk) FCM3667

    AEROQUIP

    $16.49
    Keep your fuel, oil, or brake lines locked in tight with the Aeroquip #3 Tube Sleeve Steel 6-Pack (FCM3667) — a must-have for any serious build or repair job. Crafted from durable nickel-plated steel, these sleeves deliver a secure, leak-free connection...
    AERFCM3667
    SKU:
    AERFCM3667
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    FCM3667
    $16.49
    Qty in Cart: 0
    Quantity:
    Price:
    $16.49
    Subtotal:
  • #12 Steel Cap  AERFCM3605

    Aeroquip #12 Steel Cap FCM3605

    AEROQUIP

    $14.49
    Keep your AN fittings protected and leak-free with the Aeroquip #12 Steel Cap (FCM3605). Built tough from solid steel, these caps are the perfect solution for sealing off unused ports and protecting your fittings during storage, shipping, or installation...
    AERFCM3605
    SKU:
    AERFCM3605
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    MFG Part #:
    FCM3605
    $14.49
    Qty in Cart: 0
    Quantity:
    Price:
    $14.49
    Subtotal:
  • #10 Steel Cap  AERFCM3604

    Aeroquip #10 Steel Cap FCM3604

    AEROQUIP

    $36.99
    Keep your AN fittings protected and your hydraulic or fuel system contaminant-free with the Aeroquip #10 Steel Cap FCM3604. Built tough from durable steel, these caps are a simple yet essential solution for capping off unused ports and protecting threads...
    AERFCM3604
    SKU:
    AERFCM3604
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    MFG Part #:
    FCM3604
    $36.99
    Qty in Cart: 0
    Quantity:
    Price:
    $36.99
    Subtotal:
  • #8 Steel Cap  AERFCM3603

    Aeroquip #8 Steel Cap FCM3603

    AEROQUIP

    $13.49
    Keep your AN fittings protected and your build looking clean with the Aeroquip #8 Steel Cap (FCM3603). These rugged steel caps are built to seal off unused ports and fittings, preventing contamination and fluid loss during storage or installation. A...
    AERFCM3603
    SKU:
    AERFCM3603
    Availability:
    Ships Same Business Day
    Weight:
    0.16 LBS
    MFG Part #:
    FCM3603
    $13.49
    Qty in Cart: 0
    Quantity:
    Price:
    $13.49
    Subtotal:
  • #6 Steel Cap  AERFCM3602

    Aeroquip #6 Steel Cap FCM3602

    AEROQUIP

    $8.79
    Keep your AN fittings protected and contamination-free with the Aeroquip #6 Steel Cap FCM3602 — a must-have for any serious builder or racer. These rugged steel caps snap on securely to seal off unused ports, preventing dirt, debris, and moisture from...
    AERFCM3602
    SKU:
    AERFCM3602
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    FCM3602
    Qty in Cart: 0
    Quantity:
    Price:
    $8.79
    Subtotal:
  • #6 Steel Tube Nut  AERFCM3572

    Aeroquip #6 Steel Tube Nut FCM3572

    AEROQUIP

    $6.09
    Keep your fuel, oil, or brake lines locked down tight with the Aeroquip #6 Steel Tube Nut (FCM3572) — a precision-engineered fitting that delivers rock-solid connections you can trust under pressure. Built from durable steel with a sleek nickel plating,...
    AERFCM3572
    SKU:
    AERFCM3572
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    FCM3572
    Qty in Cart: 0
    Quantity:
    Price:
    $6.09
    Subtotal:
  • #5 Steel Tube Nut  AERFCM3571

    Aeroquip #5 Steel Tube Nut FCM3571

    AEROQUIP

    $4.59
    When precision and durability matter, the Aeroquip #5 Steel Tube Nut FCM3571 delivers a rock-solid connection you can trust under pressure. Built for performance enthusiasts and professionals alike, this nickel-plated fitting resists corrosion while...
    AERFCM3571
    SKU:
    AERFCM3571
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    FCM3571
    $4.59
    Qty in Cart: 0
    Quantity:
    Price:
    $4.59
    Subtotal:
  • #4 Steel Tube Nut  AERFCM3570

    Aeroquip #4 Steel Tube Nut FCM3570

    AEROQUIP

    $4.59
    When precision and reliability matter, the Aeroquip #4 Steel Tube Nut (FCM3570) delivers the secure, leak-free connection your fuel, oil, or brake lines demand. Built to AN standards with a tough nickel-plated finish, this fitting is a go-to choice for...
    AERFCM3570
    SKU:
    AERFCM3570
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    FCM3570
    $4.59
    Qty in Cart: 0
    Quantity:
    Price:
    $4.59
    Subtotal:
  • `-20 Steel AN Tube Cap  AERFCM3567

    Aeroquip `-20 Steel AN Tube Cap FCM3567

    AEROQUIP

    $19.49
    Keep your AN fittings protected and leak-free with the Aeroquip -20 Steel AN Tube Cap (FCM3567). Built tough for serious applications, this cap delivers a reliable seal that shields your lines from contamination and damage during storage or maintenance...
    AERFCM3567
    SKU:
    AERFCM3567
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    MFG Part #:
    FCM3567
    Qty in Cart: 0
    Quantity:
    Price:
    $19.49
    Subtotal:
  • #4 An Aluminum Tube Nut  AERFCM3555

    Aeroquip #4 An Aluminum Tube Nut FCM3555

    AEROQUIP

    $9.19
    Upgrade your fuel, oil, or brake lines with confidence using the Aeroquip #4 AN Aluminum Tube Nuts (FCM3555) — a trusted name in high-performance plumbing solutions. Engineered for a precise, leak-free connection, these blue anodized beauties not only...
    AERFCM3555
    SKU:
    AERFCM3555
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    MFG Part #:
    FCM3555
    Qty in Cart: 0
    Quantity:
    Price:
    $9.19
    Subtotal:
  • #3 An Aluminum Tube Nut  AERFCM3554

    Aeroquip #3 An Aluminum Tube Nut FCM3554

    AEROQUIP

    $10.49
    Keep your fuel, oil, or brake lines locked down tight with the Aeroquip #3 AN Aluminum Tube Nuts (FCM3554) — a go-to choice for performance builders who refuse to compromise on quality. These blue anodized beauties not only deliver a secure, leak-free...
    AERFCM3554
    SKU:
    AERFCM3554
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    FCM3554
    $10.49
    Qty in Cart: 0
    Quantity:
    Price:
    $10.49
    Subtotal:
  • #4 Steel Cap  AERFCM3480

    Aeroquip #4 Steel Cap FCM3480

    AEROQUIP

    $10.99
    Keep your AN fittings protected and your build looking clean with the Aeroquip #4 Steel Cap FCM3480. These rugged little caps are a must-have for any serious builder, shielding unused ports from dirt, debris, and corrosion. Grab a set and have peace of...
    AERFCM3480
    SKU:
    AERFCM3480
    Availability:
    Ships Same Business Day
    Weight:
    0.17 LBS
    MFG Part #:
    FCM3480
    $10.99
    Qty in Cart: 0
    Quantity:
    Price:
    $10.99
    Subtotal:
  • #10 Male to #10 Female 90 Deg Swivel Fitting AERFCM3157

    Aeroquip #10 Male to #10 Female 90 Deg Swivel Fitting FCM3157

    AEROQUIP

    $41.99
    When tight spaces demand a reliable solution, the Aeroquip FCM3157 delivers with precision-engineered performance you can trust. This 90-degree swivel fitting makes routing fuel, oil, or coolant lines a breeze, eliminating awkward bends and reducing...
    AERFCM3157
    SKU:
    AERFCM3157
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    MFG Part #:
    FCM3157
    $41.99
    Qty in Cart: 0
    Quantity:
    Price:
    $41.99
    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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