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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-1/8in Pipe Bushing Black AERFCM5138

    Aeroquip 3/8in-1/8in Pipe Bushing Black FCM5138

    AEROQUIP

    $6.49
    Keep your fluid systems tight and leak-free with the Aeroquip FCM5138 3/8in-1/8in Pipe Bushing — a precision-crafted reducer fitting built for performance applications where reliability is non-negotiable. The sleek black anodized aluminum finish doesn't...
    AERFCM5138
    SKU:
    AERFCM5138
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    FCM5138
    Qty in Cart: 0
    Quantity:
    Price:
    $6.49
    Subtotal:
  • 3/8in-1/4in Pipe Bushing Black AERFCM5137

    Aeroquip 3/8in-1/4in Pipe Bushing Black FCM5137

    AEROQUIP

    $6.99
    Keep your fluid system connections tight and clean with the Aeroquip FCM5137 Pipe Bushing — a precision-machined fitting designed to seamlessly adapt 3/8 in NPT male threads to 1/4 in NPT female ports. Built from lightweight aluminum with a sleek black...
    AERFCM5137
    SKU:
    AERFCM5137
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    FCM5137
    $6.99
    Qty in Cart: 0
    Quantity:
    Price:
    $6.99
    Subtotal:
  • 1/4in-1/8in Pipe Bushing Black AERFCM5136

    Aeroquip 1/4in-1/8in Pipe Bushing Black FCM5136

    AEROQUIP

    $5.99
    Keep your fluid systems tight and leak-free with the Aeroquip FCM5136 1/4in-1/8in Pipe Bushing — a precision-machined adapter built for performance applications where quality truly matters. This sleek black anodized aluminum bushing makes it easy to...
    AERFCM5136
    SKU:
    AERFCM5136
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    FCM5136
    $5.99
    Qty in Cart: 0
    Quantity:
    Price:
    $5.99
    Subtotal:
  • 3/8in Male Pipe Nipple Black AERFCM5134

    Aeroquip 3/8in Male Pipe Nipple Black FCM5134

    AEROQUIP

    $9.99
    When you need a reliable, leak-free connection between two NPT male fittings, the Aeroquip FCM5134 delivers precision engineering you can trust. Built from lightweight aluminum with a sleek black anodized finish, this nipple adapter is as tough as it is...
    AERFCM5134
    SKU:
    AERFCM5134
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    FCM5134
    Qty in Cart: 0
    Quantity:
    Price:
    $9.99
    Subtotal:
  • 1/8in Male Pipe Nipple Black AERFCM5132

    Aeroquip 1/8in Male Pipe Nipple Black FCM5132

    AEROQUIP

    $4.99
    When you need a reliable, clean-looking connection between two 1/8in NPT male fittings, the Aeroquip FCM5132 delivers exactly that — no fuss, no leaks. Built from lightweight aluminum with a sleek black anodized finish, it's the kind of small part that...
    AERFCM5132
    SKU:
    AERFCM5132
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    FCM5132
    $4.99
    Qty in Cart: 0
    Quantity:
    Price:
    $4.99
    Subtotal:
  • 3/8in Alum Pipe Coupler Black AERFCM5131

    Aeroquip 3/8in Alum Pipe Coupler Black FCM5131

    AEROQUIP

    $10.99
    Keep your fluid lines connected and leak-free with the Aeroquip FCM5131 Aluminum Pipe Coupler — a clean, reliable solution built for performance applications that demand durability without the extra weight. The sleek black anodized finish not only looks...
    AERFCM5131
    SKU:
    AERFCM5131
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    MFG Part #:
    FCM5131
    $10.99
    Qty in Cart: 0
    Quantity:
    Price:
    $10.99
    Subtotal:
  • 1/4in Alum Pipe Coupler Black AERFCM5130

    Aeroquip 1/4in Alum Pipe Coupler Black FCM5130

    AEROQUIP

    $7.99
    Keep your fluid or air lines connected with confidence using the Aeroquip FCM5130 Pipe Coupler — a precision-machined fitting built to handle demanding applications without missing a beat. The sleek black anodized finish doesn't just look great; it adds...
    AERFCM5130
    SKU:
    AERFCM5130
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    FCM5130
    $7.99
    Qty in Cart: 0
    Quantity:
    Price:
    $7.99
    Subtotal:
  • 1/8in Alum Pipe Coupler Black AERFCM5129

    Aeroquip 1/8in Alum Pipe Coupler Black FCM5129

    AEROQUIP

    $6.49
    Keep your fluid or air lines connected with confidence using the Aeroquip FCM5129 Pipe Coupler — a precision-machined fitting built for performance enthusiasts who refuse to compromise. Its sleek black anodized finish doesn't just look great; it also...
    AERFCM5129
    SKU:
    AERFCM5129
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    FCM5129
    $6.49
    Qty in Cart: 0
    Quantity:
    Price:
    $6.49
    Subtotal:
  • Alum Run Tee #6 Flare 1/4in Black AERFCM5125

    Aeroquip Alum Run Tee #6 Flare 1/4in Black FCM5125

    AEROQUIP

    $11.99
    Take your fuel or fluid routing to the next level with the Aeroquip FCM5125 Aluminum Run Tee — a precision-machined fitting built for performance enthusiasts who demand reliability and clean aesthetics. The sleek black anodized finish not only looks...
    AERFCM5125
    SKU:
    AERFCM5125
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    FCM5125
    Qty in Cart: 0
    Quantity:
    Price:
    $11.99
    Subtotal:
  • Alum Run Tee #4 Flare 1/8in Black AERFCM5124

    Aeroquip Alum Run Tee #4 Flare 1/8in Black FCM5124

    AEROQUIP

    $10.99
    Take your fuel or brake line routing to the next level with the Aeroquip FCM5124 Aluminum Run Tee — a precision-crafted fitting built for performance enthusiasts who refuse to compromise. Its black anodized finish not only looks sharp under the hood but...
    AERFCM5124
    SKU:
    AERFCM5124
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    FCM5124
    $10.99
    Qty in Cart: 0
    Quantity:
    Price:
    $10.99
    Subtotal:
  • Alum #8 Male Branch Tee Black AERFCM5123

    Aeroquip Alum #8 Male Branch Tee Black FCM5123

    AEROQUIP

    $14.99
    When your build demands precision plumbing with a clean, professional finish, the Aeroquip FCM5123 Aluminum #8 Male Branch Tee delivers exactly that. Crafted for performance enthusiasts who refuse to compromise, this fitting makes splitting a fluid line...
    AERFCM5123
    SKU:
    AERFCM5123
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    MFG Part #:
    FCM5123
    $14.99
    Qty in Cart: 0
    Quantity:
    Price:
    $14.99
    Subtotal:
  • Alum #4 Male Branch Tee Black AERFCM5121

    Aeroquip Alum #4 Male Branch Tee Black FCM5121

    AEROQUIP

    $9.99
    When precision plumbing meets sleek aesthetics, the Aeroquip FCM5121 Aluminum #4 Male Branch Tee delivers exactly what performance builders demand. This compact tee fitting makes splitting or routing your AN fuel, oil, or brake lines a clean and...
    AERFCM5121
    SKU:
    AERFCM5121
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    FCM5121
    $9.99
    Qty in Cart: 0
    Quantity:
    Price:
    $9.99
    Subtotal:
  • Alum #6 90 Deg Elbow Union Black AERFCM5120

    Aeroquip Alum #6 90 Deg Elbow Union Black FCM5120

    AEROQUIP

    $14.99
    Upgrade your fuel, oil, or brake line routing with the Aeroquip FCM5120 — a precision-crafted 90-degree elbow union that makes tight plumbing configurations clean, leak-free, and professional. Built from lightweight aluminum with a sleek black anodized...
    AERFCM5120
    SKU:
    AERFCM5120
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    FCM5120
    $14.99
    Qty in Cart: 0
    Quantity:
    Price:
    $14.99
    Subtotal:
  • Alum #4 90 Deg Elbow Union Black AERFCM5119

    Aeroquip Alum #4 90 Deg Elbow Union Black FCM5119

    AEROQUIP

    $8.99
    When tight spaces demand a precision solution, the Aeroquip FCM5119 Aluminum 90-Degree Elbow Union delivers a clean, reliable connection without compromise. Built for performance enthusiasts who refuse to cut corners, this black anodized fitting offers a...
    AERFCM5119
    SKU:
    AERFCM5119
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    FCM5119
    $8.99
    Qty in Cart: 0
    Quantity:
    Price:
    $8.99
    Subtotal:
  • #6 Dual Feed Holley Black AERFCM5114

    Aeroquip #6 Dual Feed Holley Black FCM5114

    AEROQUIP

    $8.99
    Upgrade your fuel system with confidence using the Aeroquip FCM5114 #6 Dual Feed Holley Carburetor Inlet Fitting — a precision-engineered solution designed to deliver clean, reliable fuel flow to your Holley carb. Built from lightweight aluminum with a...
    AERFCM5114
    SKU:
    AERFCM5114
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    MFG Part #:
    FCM5114
    $8.99
    Qty in Cart: 0
    Quantity:
    Price:
    $8.99
    Subtotal:
  • #6 Single Feed Holley Black AERFCM5113

    Aeroquip #6 Single Feed Holley Black FCM5113

    AEROQUIP

    $7.99
    Upgrade your fuel system with confidence using the Aeroquip FCM5113 — a precision-engineered adapter fitting designed to deliver a clean, leak-free connection every time. Whether you're building a race car or fine-tuning a street machine, this fitting...
    AERFCM5113
    SKU:
    AERFCM5113
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    FCM5113
    $7.99
    Qty in Cart: 0
    Quantity:
    Price:
    $7.99
    Subtotal:
  • #8 Dual Feed Holley Black AERFCM5110

    Aeroquip #8 Dual Feed Holley Black FCM5110

    AEROQUIP

    $9.99
    Upgrade your fuel delivery system with the Aeroquip FCM5110 #8 Dual Feed Holley Carburetor Inlet Fitting — a precision-engineered solution built for performance enthusiasts who refuse to compromise. This sleek black anodized aluminum fitting ensures a...
    AERFCM5110
    SKU:
    AERFCM5110
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    MFG Part #:
    FCM5110
    $9.99
    Qty in Cart: 0
    Quantity:
    Price:
    $9.99
    Subtotal:
  • #10 Flare 90 Deg Blkhd Union Black AERFCM5084

    Aeroquip #10 Flare 90 Deg Blkhd Union Black FCM5084

    AEROQUIP

    $17.99
    Route your fuel, oil, or brake lines through panels and firewalls with precision and style using the Aeroquip FCM5084 #10 Flare 90-Degree Bulkhead Union. This black anodized fitting delivers a clean, professional look while providing a secure, leak-free...
    AERFCM5084
    SKU:
    AERFCM5084
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    FCM5084
    Qty in Cart: 0
    Quantity:
    Price:
    $17.99
    Subtotal:
  • #8 Flare 90 Deg Bulkhead Union Black AERFCM5083

    Aeroquip #8 Flare 90 Deg Bulkhead Union Black FCM5083

    AEROQUIP

    $12.99
    When your build demands precision routing through panels and firewalls, the Aeroquip FCM5083 #8 Flare 90° Bulkhead Union delivers a clean, leak-free solution that serious builders trust. The sleek black anodized finish doesn't just look great — it...
    AERFCM5083
    SKU:
    AERFCM5083
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    MFG Part #:
    FCM5083
    $12.99
    Qty in Cart: 0
    Quantity:
    Price:
    $12.99
    Subtotal:
  • #6 Flare 90 Deg Bulkhead Union Black AERFCM5082

    Aeroquip #6 Flare 90 Deg Bulkhead Union Black FCM5082

    AEROQUIP

    $9.99
    Route your fluid lines exactly where you need them with the Aeroquip FCM5082 #6 Flare 90-Degree Bulkhead Union — a precision-engineered fitting that makes tight, clean installations a breeze. The sleek black anodized finish doesn't just look great; it...
    AERFCM5082
    SKU:
    AERFCM5082
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    FCM5082
    $9.99
    Qty in Cart: 0
    Quantity:
    Price:
    $9.99
    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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