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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
  • #12 Male to #12 ORB 90 Degree Fitting XRP989112FS

    XRP #12 Male to #12 ORB 90 Degree Fitting XRP989112FS

    XRP-XTREME RACING PROD.

    $90.99
    When you're running high-pressure fuel, oil, or coolant systems, line routing flexibility is critical—and a 90-degree adapter makes the difference between a clean installation and costly rework. The XRP #12 Male to #12 ORB 90-degree fitting delivers the...
    XRP989112FS
    SKU:
    XRP989112FS
    Availability:
    Ships Same Business Day
    Weight:
    0.22 LBS
    MFG Part #:
    989112FS
    $90.99
    Qty in Cart: 0
    Quantity:
    Price:
    $90.99
    Subtotal:
  • #8 Male Flare to #8 ORB 90 Degree Fitting XRP989108

    XRP #8 Male Flare to #8 ORB 90 Degree Fitting XRP989108

    XRP-XTREME RACING PROD.

    $67.99
    Space is at a premium in any high-performance fuel system, and this XRP 90-degree adapter eliminates unnecessary bulk without sacrificing flow or reliability. The ultra-low profile design lets you route lines efficiently around tight engine bays, while...
    XRP989108
    SKU:
    XRP989108
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    989108
    $67.99
    Qty in Cart: 0
    Quantity:
    Price:
    $67.99
    Subtotal:
  • `-8 Male Flare to -6 O-Ring Boss 90 Degree XRP989086

    XRP `-8 Male Flare to -6 O-Ring Boss 90 Degree XRP989086

    XRP-XTREME RACING PROD.

    $33.99
    When your fuel, coolant, or brake system demands precise connections with zero compromise, this 90-degree adapter bridges the gap between -8 AN and -6 AN O-ring boss ports without sacrificing flow or reliability. The black anodized aluminum construction...
    XRP989086
    SKU:
    XRP989086
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    989086
    $33.99
    Qty in Cart: 0
    Quantity:
    Price:
    $33.99
    Subtotal:
  • `-8 Male Flare to -10 O-R  XRP989081

    XRP `-8 Male Flare to -10 O-R XRP989081

    XRP-XTREME RACING PROD.

    $37.99
    When fuel lines, coolant circuits, or hydraulic systems need to bridge different fitting sizes, mismatched adapters create leaks and performance loss. This XRP 90-degree adapter ensures a secure, leak-free connection between -8 and -10 AN fittings,...
    XRP989081
    SKU:
    XRP989081
    Availability:
    Ships Same Business Day
    Weight:
    0.16 LBS
    MFG Part #:
    989081
    $37.99
    Qty in Cart: 0
    Quantity:
    Price:
    $37.99
    Subtotal:
  • `-6 Male Flare to -8 O-Ring Boss 90 Degree XRP989068

    XRP `-6 Male Flare to -8 O-Ring Boss 90 Degree XRP989068

    XRP-XTREME RACING PROD.

    $33.99
    Fluid line routing in tight engine bays demands precision fittings that won't leak under pressure. This XRP 90-degree adapter gives you the directional flexibility to plumb your fuel, oil, or coolant lines exactly where they need to go, without...
    XRP989068
    SKU:
    XRP989068
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    MFG Part #:
    989068
    $33.99
    Qty in Cart: 0
    Quantity:
    Price:
    $33.99
    Subtotal:
  • Male Flare To O-Ring  XRP989016

    XRP Male Flare To O-Ring XRP989016

    XRP-XTREME RACING PROD.

    $58.99
    High-pressure fuel and hydraulic systems demand leak-free connections, and this XRP adapter ensures a secure, reliable fit between male flare and O-ring ports. By consolidating two different connection standards into a single 90-degree fitting, you...
    XRP989016
    SKU:
    XRP989016
    Availability:
    Ships Same Business Day
    Weight:
    0.37 LBS
    MFG Part #:
    989016
    $58.99
    Qty in Cart: 0
    Quantity:
    Price:
    $58.99
    Subtotal:
  • Adapter Fitting -16 Male to -12 O-Ring Port 90Deg XRP989014

    XRP Adapter Fitting -16 Male to -12 O-Ring Port 90Deg XRP989014

    XRP-XTREME RACING PROD.

    $78.99
    When you're running high-flow fuel systems or complex hydraulic setups, mismatched port sizes create bottlenecks and potential leak points. This XRP adapter fitting bridges the gap between -16 and -12 AN ports with a sealed connection, letting you...
    XRP989014
    SKU:
    XRP989014
    Availability:
    Ships Same Business Day
    Weight:
    0.29 LBS
    MFG Part #:
    989014
    $78.99
    Qty in Cart: 0
    Quantity:
    Price:
    $78.99
    Subtotal:
  • `-12 Male 90 Deg. To -10 O-Ring Boss XRP989013

    XRP `-12 Male 90 Deg. To -10 O-Ring Boss XRP989013

    XRP-XTREME RACING PROD.

    $47.99
    When you're running custom hydraulic or fuel lines in a tight engine bay, size mismatches and adapter failures can cost you race day. This XRP 90-degree adapter lets you step down from -12 AN to -10 AN while maintaining a secure O-ring seal, keeping your...
    XRP989013
    SKU:
    XRP989013
    Availability:
    Ships Same Business Day
    Weight:
    0.22 LBS
    MFG Part #:
    989013
    $47.99
    Qty in Cart: 0
    Quantity:
    Price:
    $47.99
    Subtotal:
  • Male Flare To O-Ring  XRP989012

    XRP Male Flare To O-Ring XRP989012

    XRP-XTREME RACING PROD.

    $44.99
    Fluid system reliability depends on secure, leak-free connections—and this XRP adapter delivers exactly that. Whether you're running fuel injection, cooling systems, or custom hydraulic lines, a properly sealed AN fitting transition is non-negotiable for...
    XRP989012
    SKU:
    XRP989012
    Availability:
    Ships Same Business Day
    Weight:
    0.24 LBS
    MFG Part #:
    989012
    $44.99
    Qty in Cart: 0
    Quantity:
    Price:
    $44.99
    Subtotal:
  • `-10 Male 90 Deg. To -12 O-Ring Boss XRP989011

    XRP `-10 Male 90 Deg. To -12 O-Ring Boss XRP989011

    XRP-XTREME RACING PROD.

    $50.99
    When you're running a high-performance fuel or fluid system, port sizing mismatches create restriction, pressure loss, and potential leaks at the connection point. This XRP adapter lets you confidently step up from -10 AN to -12 AN O-Ring Boss ports...
    XRP989011
    SKU:
    XRP989011
    Availability:
    Ships Same Business Day
    Weight:
    0.21 LBS
    MFG Part #:
    989011
    $50.99
    Qty in Cart: 0
    Quantity:
    Price:
    $50.99
    Subtotal:
  • Male Flare To O-Ring  XRP989010

    XRP Male Flare To O-Ring XRP989010

    XRP-XTREME RACING PROD.

    $28.99
    Fluid system integrity depends on reliable connections, and this XRP 90-degree adapter delivers exactly that. Whether you're routing fuel lines, coolant, or brake fluid around tight engine bays, the male-to-male o-ring design eliminates leaks at critical...
    XRP989010
    SKU:
    XRP989010
    Availability:
    Ships Same Business Day
    Weight:
    0.16 LBS
    MFG Part #:
    989010
    $28.99
    Qty in Cart: 0
    Quantity:
    Price:
    $28.99
    Subtotal:
  • Male Flare To O-Ring  XRP989008

    XRP Male Flare To O-Ring XRP989008

    XRP-XTREME RACING PROD.

    $19.49
    When you're running high-pressure fuel, oil, or coolant systems, connection integrity is non-negotiable. This XRP adapter bridges the gap between male flare and O-ring fittings, eliminating the need for multiple adapters and reducing potential leak...
    XRP989008
    SKU:
    XRP989008
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    MFG Part #:
    989008
    $19.49
    Qty in Cart: 0
    Quantity:
    Price:
    $19.49
    Subtotal:
  • Male Flare To O-Ring  XRP989006

    XRP Male Flare To O-Ring XRP989006

    XRP-XTREME RACING PROD.

    $16.99
    If you're running a high-performance fuel or coolant system, adapter fittings are critical to maintaining leak-free connections under pressure. This XRP 90-degree adapter allows you to transition between male flare and O-ring configurations without...
    XRP989006
    SKU:
    XRP989006
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    MFG Part #:
    989006
    $16.99
    Qty in Cart: 0
    Quantity:
    Price:
    $16.99
    Subtotal:
  • #20 Female ORB Alum Weld Bung XRP987120

    XRP #20 Female ORB Alum Weld Bung XRP987120

    XRP-XTREME RACING PROD.

    $27.99
    When you're building a custom fuel, coolant, or brake line system, you need fittings that won't leak under pressure and won't compromise your performance. The XRP #20 Female ORB Alum Weld Bung delivers a solid, welded connection point using lightweight...
    XRP987120
    SKU:
    XRP987120
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    MFG Part #:
    987120
    $27.99
    Qty in Cart: 0
    Quantity:
    Price:
    $27.99
    Subtotal:
  • `-16 Welding Bung 1 5/16  XRP987116

    XRP `-16 Welding Bung 1 5/16 XRP987116

    XRP-XTREME RACING PROD.

    $26.99
    When you're building a custom fuel or coolant system, you need fittings that won't leak under pressure. The XRP -16 Welding Bung provides a secure, permanent connection point with its female O-ring design, allowing you to integrate -16 AN hose lines...
    XRP987116
    SKU:
    XRP987116
    Availability:
    Ships Same Business Day
    Weight:
    0.16 LBS
    MFG Part #:
    987116
    $26.99
    Qty in Cart: 0
    Quantity:
    Price:
    $26.99
    Subtotal:
  • Welding Bung #12  XRP987112

    XRP Welding Bung #12 XRP987112

    XRP-XTREME RACING PROD.

    $17.99
    When you're building a custom fuel system or hydraulic circuit, you need fittings you can trust to hold pressure without leaks. The XRP Welding Bung #12 gives you a secure, permanent connection point with a weld-on design that integrates seamlessly into...
    XRP987112
    SKU:
    XRP987112
    Availability:
    Ships Same Business Day
    Weight:
    0.14 LBS
    MFG Part #:
    987112
    $17.99
    Qty in Cart: 0
    Quantity:
    Price:
    $17.99
    Subtotal:
  • `-10 Welding Bung 7/8  XRP987110

    XRP `-10 Welding Bung 7/8 XRP987110

    XRP-XTREME RACING PROD.

    $17.49
    When you're running a custom fuel system or building a high-flow hydraulic setup, you need reliable connection points that won't fail under pressure. The XRP -10 Welding Bung provides a precision-engineered weld-on solution for seamlessly integrating -10...
    XRP987110
    SKU:
    XRP987110
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    MFG Part #:
    987110
    $17.49
    Qty in Cart: 0
    Quantity:
    Price:
    $17.49
    Subtotal:
  • `-8 Welding Bung 3/4  XRP987108

    XRP `-8 Welding Bung 3/4 XRP987108

    XRP-XTREME RACING PROD.

    $14.99
    If you're building a custom fuel system, coolant line, or brake circuit, you need fittings that won't leak under pressure. The XRP -8 Welding Bung delivers a permanent, leak-free connection by allowing you to weld directly into your aluminum fuel cell,...
    XRP987108
    SKU:
    XRP987108
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    987108
    $14.99
    Qty in Cart: 0
    Quantity:
    Price:
    $14.99
    Subtotal:
  • `-6 Welding Bung 9/16  XRP987106

    XRP `-6 Welding Bung 9/16 XRP987106

    XRP-XTREME RACING PROD.

    $14.49
    When you're building a custom fuel system or hydraulic line setup, you need fittings that won't leak under pressure. This XRP welding bung gives you a clean, permanent AN connection point that's welded directly into your fuel cell, tank, or custom...
    XRP987106
    SKU:
    XRP987106
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    MFG Part #:
    987106
    $14.49
    Qty in Cart: 0
    Quantity:
    Price:
    $14.49
    Subtotal:
  • `-8 Male Flare to -10 O-Ring Boss 45 Degree XRP984581

    XRP `-8 Male Flare to -10 O-Ring Boss 45 Degree XRP984581

    XRP-XTREME RACING PROD.

    $39.99
    When you're running high-pressure fuel or coolant systems, mismatched port sizes create bottlenecks and leak risks. This XRP adapter bridges the gap between -8 and -10 AN lines with a 45-degree angle that optimizes flow dynamics in tight engine bay...
    XRP984581
    SKU:
    XRP984581
    Availability:
    Ships Same Business Day
    Weight:
    0.14 LBS
    MFG Part #:
    984581
    $39.99
    Qty in Cart: 0
    Quantity:
    Price:
    $39.99
    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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