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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
  • 3/8in-1/4in Pipe Bushing  AERFCM2137

    Aeroquip 3/8in-1/4in Pipe Bushing FCM2137

    AEROQUIP

    $6.09
    Upgrade your fluid system connections with the Aeroquip FCM2137 Pipe Bushing — a precision-crafted adapter that makes reducing from 3/8" to 1/4" NPT a clean, leak-free breeze. Built from lightweight aluminum with a striking blue anodized finish, this...
    AERFCM2137
    SKU:
    AERFCM2137
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    FCM2137
    $6.09
    Qty in Cart: 0
    Quantity:
    Price:
    $6.09
    Subtotal:
  • 1/4in-1/8in Pipe Bushing  AERFCM2136

    Aeroquip 1/4in-1/8in Pipe Bushing FCM2136

    AEROQUIP

    $12.49
    Keep your fluid lines tight and your build looking sharp with the Aeroquip FCM2136 Pipe Bushing — a precision-machined adapter that makes connecting different pipe sizes effortless. Whether you're building a race car, custom engine bay, or performance...
    AERFCM2136
    SKU:
    AERFCM2136
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    FCM2136
    $12.49
    Qty in Cart: 0
    Quantity:
    Price:
    $12.49
    Subtotal:
  • 3/8in Male Pipe Nipple  AERFCM2134

    Aeroquip 3/8in Male Pipe Nipple FCM2134

    AEROQUIP

    $14.99
    Keep your fluid systems running clean and leak-free with the Aeroquip FCM2134 3/8in Male Pipe Nipple — a precision-crafted adapter built for performance applications where reliability truly matters. The striking blue anodized aluminum finish isn't just...
    AERFCM2134
    SKU:
    AERFCM2134
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    FCM2134
    $14.99
    Qty in Cart: 0
    Quantity:
    Price:
    $14.99
    Subtotal:
  • 1/4in Male Pipe Nipple  AERFCM2133

    Aeroquip 1/4in Male Pipe Nipple FCM2133

    AEROQUIP

    $6.59
    Keep your fluid lines connected with confidence using the Aeroquip FCM2133 1/4in Male Pipe Nipple — a precision-crafted adapter built for performance enthusiasts who refuse to compromise on quality. Its lightweight aluminum construction and sleek blue...
    AERFCM2133
    SKU:
    AERFCM2133
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    FCM2133
    $6.59
    Qty in Cart: 0
    Quantity:
    Price:
    $6.59
    Subtotal:
  • 1/8in Male Pipe Nipple  AERFCM2132

    Aeroquip 1/8in Male Pipe Nipple FCM2132

    AEROQUIP

    $9.19
    When you need a reliable, leak-free connection in tight spaces, the Aeroquip FCM2132 1/8in Male Pipe Nipple delivers with precision-machined quality you can count on. Built from aircraft-grade aluminum with a striking blue anodized finish, this adapter...
    AERFCM2132
    SKU:
    AERFCM2132
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    FCM2132
    $9.19
    Qty in Cart: 0
    Quantity:
    Price:
    $9.19
    Subtotal:
  • 3/8in Alum Pipe Coupler  AERFCM2131

    Aeroquip 3/8in Alum Pipe Coupler FCM2131

    AEROQUIP

    $11.99
    The Aeroquip FCM2131 aluminum pipe coupler is a clean, reliable solution for connecting two 3/8" NPT female-threaded lines with confidence. Built from lightweight aluminum with a striking blue anodized finish, it's as functional as it is good-looking in...
    AERFCM2131
    SKU:
    AERFCM2131
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    MFG Part #:
    FCM2131
    $11.99
    Qty in Cart: 0
    Quantity:
    Price:
    $11.99
    Subtotal:
  • 1/8in Alum Pipe Coupler  AERFCM2129

    Aeroquip 1/8in Alum Pipe Coupler FCM2129

    AEROQUIP

    $13.49
    Keep your fluid and air line connections tight, leak-free, and looking sharp with the Aeroquip FCM2129 1/8in Aluminum Pipe Coupler. Built for performance enthusiasts who refuse to compromise on quality, this compact straight fitting delivers a rock-solid...
    AERFCM2129
    SKU:
    AERFCM2129
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    FCM2129
    $13.49
    Qty in Cart: 0
    Quantity:
    Price:
    $13.49
    Subtotal:
  • Alum Run Tee #8fl/3/8in  P AERFCM2126

    Aeroquip Alum Run Tee #8fl/3/8in P FCM2126

    AEROQUIP

    $22.99
    Upgrade your fluid system connections with the Aeroquip FCM2126 Aluminum Run Tee — a precision-engineered fitting that delivers rock-solid performance without adding unnecessary weight. Whether you're building a high-performance race car or a custom...
    AERFCM2126
    SKU:
    AERFCM2126
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    MFG Part #:
    FCM2126
    $22.99
    Qty in Cart: 0
    Quantity:
    Price:
    $22.99
    Subtotal:
  • Alum Run Tee #6fl/1/4in  P AERFCM2125

    Aeroquip Alum Run Tee #6fl/1/4in P FCM2125

    AEROQUIP

    $9.99
    Take your fluid line routing to the next level with the Aeroquip FCM2125 Aluminum Run Tee — a precision-engineered adapter built for performance applications where reliability is non-negotiable. This compact tee fitting lets you split or branch your...
    AERFCM2125
    SKU:
    AERFCM2125
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    FCM2125
    $9.99
    Qty in Cart: 0
    Quantity:
    Price:
    $9.99
    Subtotal:
  • Alum Run Tee #4fl/1/8in  P AERFCM2124

    Aeroquip Alum Run Tee #4fl/1/8in P FCM2124

    AEROQUIP

    $18.99
    Take your fluid line routing to the next level with the Aeroquip FCM2124 Aluminum Run Tee — a precision-crafted fitting that lets you branch off a feed line without sacrificing flow or reliability. Built from aircraft-grade aluminum with a sharp blue...
    AERFCM2124
    SKU:
    AERFCM2124
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    FCM2124
    $18.99
    Qty in Cart: 0
    Quantity:
    Price:
    $18.99
    Subtotal:
  • Alum #8 Male Branch Tee  AERFCM2123

    Aeroquip Alum #8 Male Branch Tee FCM2123

    AEROQUIP

    $16.49
    Take your fluid routing setup to the next level with the Aeroquip FCM2123 Aluminum #8 Male Branch Tee — a precision-crafted fitting built for performance enthusiasts who refuse to compromise. Its lightweight aluminum construction and eye-catching blue...
    AERFCM2123
    SKU:
    AERFCM2123
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    MFG Part #:
    FCM2123
    Qty in Cart: 0
    Quantity:
    Price:
    $16.49
    Subtotal:
  • Alum #6 Male Branch Tee  AERFCM2122

    Aeroquip Alum #6 Male Branch Tee FCM2122

    AEROQUIP

    $17.99
    When precision plumbing matters, the Aeroquip FCM2122 Aluminum Male Branch Tee delivers the reliable performance and clean aesthetics that serious builders demand. This blue anodized beauty lets you split a fuel, oil, or fluid line with confidence,...
    AERFCM2122
    SKU:
    AERFCM2122
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    MFG Part #:
    FCM2122
    Qty in Cart: 0
    Quantity:
    Price:
    $17.99
    Subtotal:
  • Alum #4 Male Branch Tee  AERFCM2121

    Aeroquip Alum #4 Male Branch Tee FCM2121

    AEROQUIP

    $14.49
    Take your fuel or oil line routing to the next level with the Aeroquip FCM2121 Aluminum #4 Male Branch Tee — a precision-engineered fitting designed to give you a clean, reliable three-way connection without sacrificing performance. Built from...
    AERFCM2121
    SKU:
    AERFCM2121
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    FCM2121
    $14.49
    Qty in Cart: 0
    Quantity:
    Price:
    $14.49
    Subtotal:
  • Alum #6 90 Elbow Union  AERFCM2120

    Aeroquip Alum #6 90 Elbow Union FCM2120

    AEROQUIP

    $14.99
    Take your fuel, oil, or brake line routing to the next level with the Aeroquip FCM2120 Aluminum 90° Elbow Union — a go-to fitting for builders who refuse to compromise on quality or style. This precision-machined adapter makes tight, clean 90-degree...
    AERFCM2120
    SKU:
    AERFCM2120
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    FCM2120
    $14.99
    Qty in Cart: 0
    Quantity:
    Price:
    $14.99
    Subtotal:
  • Alum #6 Blkhd Run Tee  AERFCM2118

    Aeroquip Alum #6 Blkhd Run Tee FCM2118

    AEROQUIP

    $18.49
    Take your fluid routing setup to the next level with the Aeroquip FCM2118 Aluminum Bulkhead Run Tee — a precision-engineered fitting built for performance applications where reliability is non-negotiable. Its lightweight aluminum construction keeps...
    AERFCM2118
    SKU:
    AERFCM2118
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    MFG Part #:
    FCM2118
    $18.49
    Qty in Cart: 0
    Quantity:
    Price:
    $18.49
    Subtotal:
  • #6 Dual Feed Holley Adapter AERFCM2114

    Aeroquip #6 Dual Feed Holley Adapter FCM2114

    AEROQUIP

    $16.49
    Upgrade your fuel system with confidence using the Aeroquip #6 Dual Feed Holley Adapter (FCM2114) — a precision-crafted fitting that delivers a clean, reliable connection between your AN fuel line and Holley carburetor. Built from aircraft-grade aluminum...
    AERFCM2114
    SKU:
    AERFCM2114
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    MFG Part #:
    FCM2114
    $16.49
    Qty in Cart: 0
    Quantity:
    Price:
    $16.49
    Subtotal:
  • Single Feed Holley  #6  AERFCM2113

    Aeroquip Single Feed Holley #6 FCM2113

    AEROQUIP

    $11.99
    Upgrade your fuel delivery system with the Aeroquip Single Feed Holley #6 FCM2113 — a precision-engineered carburetor inlet fitting built for performance enthusiasts who refuse to compromise. Its lightweight aluminum construction and striking blue...
    AERFCM2113
    SKU:
    AERFCM2113
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    FCM2113
    $11.99
    Qty in Cart: 0
    Quantity:
    Price:
    $11.99
    Subtotal:
  • Fuel Pump Adapter  AERFCM2111

    Aeroquip Fuel Pump Adapter FCM2111

    AEROQUIP

    $15.49
    Keep your fuel system tight and leak-free with the Aeroquip Fuel Pump Adapter FCM2111 — a precision-machined fitting built for performance builds that demand reliability. Whether you're upgrading your fuel delivery system or sorting out a custom plumbing...
    AERFCM2111
    SKU:
    AERFCM2111
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    FCM2111
    $15.49
    Qty in Cart: 0
    Quantity:
    Price:
    $15.49
    Subtotal:
  • #8 Dual Feed Holley Adapter AERFCM2110

    Aeroquip #8 Dual Feed Holley Adapter FCM2110

    AEROQUIP

    $15.99
    Upgrade your fuel system with confidence using the Aeroquip #8 Dual Feed Holley Adapter (FCM2110) — a precision-engineered fitting designed to deliver clean, reliable fuel flow straight to your Holley carburetor. Built from lightweight aluminum with a...
    AERFCM2110
    SKU:
    AERFCM2110
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    MFG Part #:
    FCM2110
    $15.99
    Qty in Cart: 0
    Quantity:
    Price:
    $15.99
    Subtotal:
  • #4 Flare Blkhd Branch Te  AERFCM2091

    Aeroquip #4 Flare Blkhd Branch Te FCM2091

    AEROQUIP

    $13.49
    Take your fuel or fluid routing to the next level with the Aeroquip FCM2091 #4 Flare Bulkhead Branch Tee — a precision-engineered fitting built for performance enthusiasts who refuse to compromise on quality. Designed to split a single line into multiple...
    AERFCM2091
    SKU:
    AERFCM2091
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    FCM2091
    $13.49
    Qty in Cart: 0
    Quantity:
    Price:
    $13.49
    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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