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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
  • Elbow 45 #8 Flare X 1/2 NPT XRP982388

    XRP Elbow 45 #8 Flare X 1/2 NPT XRP982388

    XRP-XTREME RACING PROD.

    $20.99
    When you're building or maintaining a high-performance fuel, oil, or coolant system, you need fittings that won't leak under pressure and will integrate seamlessly with your existing plumbing. The XRP Elbow 45 #8 Flare X 1/2 NPT gives you a reliable...
    XRP982388
    SKU:
    XRP982388
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    982388
    $20.99
    Qty in Cart: 0
    Quantity:
    Price:
    $20.99
    Subtotal:
  • `-6an to 3/8in NPT Alum Fitting XRP982366

    XRP `-6an to 3/8in NPT Alum Fitting XRP982366

    XRP-XTREME RACING PROD.

    $13.99
    Proper fluid routing is critical to system reliability, and mismatched fittings create leaks and pressure loss that compromise performance. This XRP adapter bridges the gap between -6AN hose lines and 3/8in NPT ports, eliminating the need for custom...
    XRP982366
    SKU:
    XRP982366
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    982366
    $13.99
    Qty in Cart: 0
    Quantity:
    Price:
    $13.99
    Subtotal:
  • #12 to 1/2 NPT 45 Deg Adapter XRP982314

    XRP #12 to 1/2 NPT 45 Deg Adapter XRP982314

    XRP-XTREME RACING PROD.

    $29.99
    Integrating AN-line fuel and fluid systems with NPT threaded components requires a reliable, leak-free adapter—this XRP 45-degree fitting delivers exactly that without compromise. The aluminum construction with blue anodized finish resists corrosion...
    XRP982314
    SKU:
    XRP982314
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    MFG Part #:
    982314
    $29.99
    Qty in Cart: 0
    Quantity:
    Price:
    $29.99
    Subtotal:
  • #10 to 3/8 NPT 45 Deg Adapter XRP982311

    XRP #10 to 3/8 NPT 45 Deg Adapter XRP982311

    XRP-XTREME RACING PROD.

    $23.99
    If you're building a custom fuel system, oil cooling circuit, or any pressurized fluid line that bridges AN and NPT standards, this adapter is essential for a leak-free connection. The 45-degree angle allows for clean routing around tight engine bays and...
    XRP982311
    SKU:
    XRP982311
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    982311
    $23.99
    Qty in Cart: 0
    Quantity:
    Price:
    $23.99
    Subtotal:
  • Elbow 45 X #6 Flare X 1/4 NPT XRP982306

    XRP Elbow 45 X #6 Flare X 1/4 NPT XRP982306

    XRP-XTREME RACING PROD.

    $10.99
    Fluid line transitions demand precision fittings that won't leak under pressure or vibration—this XRP elbow delivers exactly that. Whether you're routing fuel, oil, or coolant lines in a tight engine bay, the 45-degree angle combined with dual-thread...
    XRP982306
    SKU:
    XRP982306
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    982306
    $10.99
    Qty in Cart: 0
    Quantity:
    Price:
    $10.99
    Subtotal:
  • Elbow 90 X #8 Flare X 1/2 NPT XRP982288

    XRP Elbow 90 X #8 Flare X 1/2 NPT XRP982288

    XRP-XTREME RACING PROD.

    $20.99
    When you're building a high-performance fuel system or custom cooling circuit, mismatched fitting sizes become a bottleneck. This XRP 90-degree elbow adapter bridges the gap between AN and NPT threads, allowing you to integrate standard aftermarket...
    XRP982288
    SKU:
    XRP982288
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    MFG Part #:
    982288
    $20.99
    Qty in Cart: 0
    Quantity:
    Price:
    $20.99
    Subtotal:
  • Elbow 90x #6 Flare X 1/2 NPT XRP982268

    XRP Elbow 90x #6 Flare X 1/2 NPT XRP982268

    XRP-XTREME RACING PROD.

    $22.99
    When you're building a custom fuel system or plumbing high-pressure lines in your race car, adapter fittings are non-negotiable—they're the backbone of leak-free connections under extreme conditions. This XRP 90-degree elbow bridges the gap between...
    XRP982268
    SKU:
    XRP982268
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    MFG Part #:
    982268
    $22.99
    Qty in Cart: 0
    Quantity:
    Price:
    $22.99
    Subtotal:
  • Elbow 90 X #6 Flare X 3/8 NPT XRP982266

    XRP Elbow 90 X #6 Flare X 3/8 NPT XRP982266

    XRP-XTREME RACING PROD.

    $14.99
    When you're running a fuel system, cooling circuit, or custom plumbing under the hood, you need fittings that won't leak under pressure. The XRP Elbow 90 provides a reliable, compact transition between your -6 AN hardline and 3/8" NPT port, whether...
    XRP982266
    SKU:
    XRP982266
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    MFG Part #:
    982266
    $14.99
    Qty in Cart: 0
    Quantity:
    Price:
    $14.99
    Subtotal:
  • Elbow 90 X #10 Flare X 3/8 NPT XRP982211

    XRP Elbow 90 X #10 Flare X 3/8 NPT XRP982211

    XRP-XTREME RACING PROD.

    $22.49
    When you're running high-pressure fuel, oil, or coolant lines in your race vehicle, adapter fittings are critical to system integrity. This XRP elbow eliminates costly leaks and pressure drops by providing a reliable, CNC-precise connection between...
    XRP982211
    SKU:
    XRP982211
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    MFG Part #:
    982211
    $22.49
    Qty in Cart: 0
    Quantity:
    Price:
    $22.49
    Subtotal:
  • Elbow 90 X #10 Flare X 1/2 NPT XRP982210

    XRP Elbow 90 X #10 Flare X 1/2 NPT XRP982210

    XRP-XTREME RACING PROD.

    $20.99
    When you're building a high-performance fuel, coolant, or hydraulic system, you need fittings that deliver leak-free connections without compromise. This XRP 90-degree elbow adapter bridges the gap between AN-line components and NPT port systems, giving...
    XRP982210
    SKU:
    XRP982210
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    MFG Part #:
    982210
    $20.99
    Qty in Cart: 0
    Quantity:
    Price:
    $20.99
    Subtotal:
  • Elbow 90 X #8 Flare X 3/8 NPT XRP982208

    XRP Elbow 90 X #8 Flare X 3/8 NPT XRP982208

    XRP-XTREME RACING PROD.

    $12.99
    When you're building a high-performance fuel, coolant, or brake line system, you need fittings that won't leak under pressure—and that transition seamlessly between different port standards. The XRP Elbow 90 X #8 Flare X 3/8 NPT delivers exactly that,...
    XRP982208
    SKU:
    XRP982208
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    MFG Part #:
    982208
    $12.99
    Qty in Cart: 0
    Quantity:
    Price:
    $12.99
    Subtotal:
  • Elbow 90 X #8 Flare X 1/4 NPT XRP982207

    XRP Elbow 90 X #8 Flare X 1/4 NPT XRP982207

    XRP-XTREME RACING PROD.

    $17.99
    Fluid system adapters are critical junction points in any high-performance fuel, oil, or coolant line—and mismatched fittings lead to leaks, pressure loss, and catastrophic engine failure. The XRP Elbow 90 X #8 Flare X 1/4 NPT bridges AN and NPT ports...
    XRP982207
    SKU:
    XRP982207
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    MFG Part #:
    982207
    $17.99
    Qty in Cart: 0
    Quantity:
    Price:
    $17.99
    Subtotal:
  • Elbow 90 X #6 Flare X 1/4 NPT XRP982206

    XRP Elbow 90 X #6 Flare X 1/4 NPT XRP982206

    XRP-XTREME RACING PROD.

    $10.99
    When you're building a high-performance fuel or coolant system, adapter fittings are non-negotiable—they ensure leak-free connections between components with different port standards. This XRP elbow gives you a direct, reliable bridge between 6 AN flare...
    XRP982206
    SKU:
    XRP982206
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    982206
    $10.99
    Qty in Cart: 0
    Quantity:
    Price:
    $10.99
    Subtotal:
  • Elbow 90 X #4 Flare X 1/8 NPT - Black XRP982204BB

    XRP Elbow 90 X #4 Flare X 1/8 NPT - Black XRP982204BB

    XRP-XTREME RACING PROD.

    $11.49
    When you're running a precision fuel, oil, or coolant system, mismatched fittings create leaks and performance loss. This XRP 90-degree elbow adapter bridges the gap between #4 AN hard lines and 1/8 NPT ports with zero compromise—a critical piece for...
    XRP982204BB
    SKU:
    XRP982204BB
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    982204BB
    $11.49
    Qty in Cart: 0
    Quantity:
    Price:
    $11.49
    Subtotal:
  • Elbow 90 X #4 Flare X 1/8 NPT XRP982204

    XRP Elbow 90 X #4 Flare X 1/8 NPT XRP982204

    XRP-XTREME RACING PROD.

    $10.99
    Reliable hydraulic and fuel system connections demand precision fittings that won't leak under pressure. The XRP Elbow 90 X #4 Flare X 1/8 NPT adapter bridges different port standards without compromise, making it essential for custom fuel rails, brake...
    XRP982204
    SKU:
    XRP982204
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    982204
    $10.99
    Qty in Cart: 0
    Quantity:
    Price:
    $10.99
    Subtotal:
  • Elbow 90 X #3 Flare X 1/8 NPT XRP982203

    XRP Elbow 90 X #3 Flare X 1/8 NPT XRP982203

    XRP-XTREME RACING PROD.

    $10.99
    When you're running fuel lines, coolant systems, or brake circuits in a high-performance setup, mismatched fittings create leak points and flow restrictions that compromise reliability. This XRP 90-degree elbow adapter solves that problem by providing a...
    XRP982203
    SKU:
    XRP982203
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    982203
    $10.99
    Qty in Cart: 0
    Quantity:
    Price:
    $10.99
    Subtotal:
  • Elbow  90 #8 Union  XRP982108

    XRP Elbow 90 #8 Union XRP982108

    XRP-XTREME RACING PROD.

    $13.99
    When routing high-flow fuel or coolant lines through tight engine bays, a precision 90-degree adapter is essential to maintain system integrity and prevent kinks that compromise performance. The XRP Elbow 90 delivers the directional flexibility your...
    XRP982108
    SKU:
    XRP982108
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    982108
    $13.99
    Qty in Cart: 0
    Quantity:
    Price:
    $13.99
    Subtotal:
  • Elbow 90 #6 Union  XRP982106

    XRP Elbow 90 #6 Union XRP982106

    XRP-XTREME RACING PROD.

    $10.99
    Tight packaging demands smart routing, and this XRP 90-degree elbow gives you the directional flexibility to keep your fuel, oil, or coolant lines exactly where they need to be without compromise. The 6 AN male-to-male configuration delivers a secure,...
    XRP982106
    SKU:
    XRP982106
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    982106
    $10.99
    Qty in Cart: 0
    Quantity:
    Price:
    $10.99
    Subtotal:
  • #3 Tube Sleeve 6 Pk  XRP981903-6

    XRP #3 Tube Sleeve 6 Pk XRP981903-6

    XRP-XTREME RACING PROD.

    $9.99
    Protect your fuel lines and hydraulic systems from abrasion and vibration with reliable tube sleeves that maintain integrity under high-performance conditions. These aluminum sleeves provide a professional finish while safeguarding your fittings in...
    XRP981903-6
    SKU:
    XRP981903-6
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    981903-6
    Qty in Cart: 0
    Quantity:
    Price:
    $9.99
    Subtotal:
  • #3 Tube Nut 6 Pk  XRP981803-6

    XRP #3 Tube Nut 6 Pk XRP981803-6

    XRP-XTREME RACING PROD.

    $11.99
    Reliable tube nut fittings are essential for any fuel, coolant, or brake line system that demands leak-free performance under pressure. These XRP #3 tube nuts deliver precision engineering with anodized aluminum construction, ensuring corrosion...
    XRP981803-6
    SKU:
    XRP981803-6
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    981803-6
    Qty in Cart: 0
    Quantity:
    Price:
    $11.99
    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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