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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
  • AN Weld Bung 20AN Male Steel ALL50776

    Allstar Performance AN Weld Bung 20AN Male Steel ALL50776

    ALLSTAR PERFORMANCE

    $17.49
    When you're building a custom fuel, oil, or coolant system, you need a reliable connection point that won't fail under pressure. This Allstar Performance weld bung gives you a solid, permanent mounting solution with a standard 20AN port—essential for any...
    ALL50776
    SKU:
    ALL50776
    Availability:
    Ships Same Business Day
    Weight:
    0.41 LBS
    $17.49
    Qty in Cart: 0
    Quantity:
    Price:
    $17.49
    Subtotal:
  • AN Weld Bung 16AN Male Steel ALL50775

    Allstar Performance AN Weld Bung 16AN Male Steel ALL50775

    ALLSTAR PERFORMANCE

    $12.99
    A reliable weld-on bung is essential for custom fuel, oil, and coolant line installations on high-performance builds where vibration resistance and permanent fitment are non-negotiable. This Allstar Performance AN bung provides a solid steel foundation...
    ALL50775
    SKU:
    ALL50775
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    $12.99
    Qty in Cart: 0
    Quantity:
    Price:
    $12.99
    Subtotal:
  • AN Weld Bung 12AN Male Steel ALL50774

    Allstar Performance AN Weld Bung 12AN Male Steel ALL50774

    ALLSTAR PERFORMANCE

    $11.49
    When you're building a custom fuel, oil, or coolant system, you need a reliable connection point that won't fail under pressure. This Allstar Performance weld bung gives you a professional-grade attachment point for 12AN hose lines, engineered to handle...
    ALL50774
    SKU:
    ALL50774
    Availability:
    Ships Same Business Day
    Weight:
    0.17 LBS
    $11.49
    Qty in Cart: 0
    Quantity:
    Price:
    $11.49
    Subtotal:
  • AN Weld Bung 10AN Male Steel ALL50773

    Allstar Performance AN Weld Bung 10AN Male Steel ALL50773

    ALLSTAR PERFORMANCE

    $8.99
    If you're building a custom fuel system, oil cooler setup, or any pressurized fluid line, you need a reliable anchor point that won't fail under load. The Allstar Performance AN Weld Bung provides a permanent, leak-free connection point for 10AN hardline...
    ALL50773
    SKU:
    ALL50773
    Availability:
    Ships Same Business Day
    Weight:
    0.14 LBS
    $8.99
    Qty in Cart: 0
    Quantity:
    Price:
    $8.99
    Subtotal:
  • AN Weld Bung 8AN Male Steel ALL50772

    Allstar Performance AN Weld Bung 8AN Male Steel ALL50772

    ALLSTAR PERFORMANCE

    $8.99
    When you're building a custom fuel, oil, or coolant line system, you need a reliable hardpoint that won't compromise flow or fail under pressure. The Allstar Performance AN Weld Bung gives you a clean, direct connection point that's trusted by...
    ALL50772
    SKU:
    ALL50772
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    $8.99
    Qty in Cart: 0
    Quantity:
    Price:
    $8.99
    Subtotal:
  • AN Weld Bung 6AN Male Steel ALL50771

    Allstar Performance AN Weld Bung 6AN Male Steel ALL50771

    ALLSTAR PERFORMANCE

    $7.99
    When you're routing high-pressure fluid lines through your custom build, you need a weld bung that won't compromise your system's integrity or leak under sustained boost. The Allstar Performance 6AN Male Steel Weld Bung provides a permanent, reliable...
    ALL50771
    SKU:
    ALL50771
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    $7.99
    Qty in Cart: 0
    Quantity:
    Price:
    $7.99
    Subtotal:
  • AN Weld Bung 4AN Male Steel ALL50770

    Allstar Performance AN Weld Bung 4AN Male Steel ALL50770

    ALLSTAR PERFORMANCE

    $7.99
    A reliable weld bung is essential for custom fuel, coolant, and fluid line routing in high-performance applications. This Allstar Performance AN weld bung provides a solid steel connection point that won't compromise system integrity under pressure or...
    ALL50770
    SKU:
    ALL50770
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    $7.99
    Qty in Cart: 0
    Quantity:
    Price:
    $7.99
    Subtotal:
  • AN Weld Bung 20AN Male Aluminum ALL50766

    Allstar Performance AN Weld Bung 20AN Male Aluminum ALL50766

    ALLSTAR PERFORMANCE

    $17.49
    When you're building a custom fuel, coolant, or brake line system, you need fittings you can trust to seal reliably under pressure. The Allstar Performance AN Weld Bung gives you a direct, welded connection point that eliminates the risk of loose...
    ALL50766
    SKU:
    ALL50766
    Availability:
    Ships Same Business Day
    Weight:
    0.16 LBS
    $17.49
    Qty in Cart: 0
    Quantity:
    Price:
    $17.49
    Subtotal:
  • AN Weld Bung 16AN Male Aluminum ALL50765

    Allstar Performance AN Weld Bung 16AN Male Aluminum ALL50765

    ALLSTAR PERFORMANCE

    $12.99
    When you're designing a custom cooling or fuel system, you need a reliable connection point that won't compromise flow or durability. This Allstar Performance weld bung provides a clean, permanent mounting solution for 16AN line connections, engineered...
    ALL50765
    SKU:
    ALL50765
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    $12.99
    Qty in Cart: 0
    Quantity:
    Price:
    $12.99
    Subtotal:
  • AN Weld Bung 12AN Male Aluminum ALL50764

    Allstar Performance AN Weld Bung 12AN Male Aluminum ALL50764

    ALLSTAR PERFORMANCE

    $9.99
    When you're building a custom fuel, oil, or coolant system, you need fittings you can trust to hold pressure and maintain a clean seal. This Allstar Performance weld bung provides a permanent, leak-free connection point for 12AN hose—essential for...
    ALL50764
    SKU:
    ALL50764
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    $9.99
    Qty in Cart: 0
    Quantity:
    Price:
    $9.99
    Subtotal:
  • AN Weld Bung 10AN Male Aluminum ALL50763

    Allstar Performance AN Weld Bung 10AN Male Aluminum ALL50763

    ALLSTAR PERFORMANCE

    $8.99
    When you're building a custom fuel, coolant, or brake system, you need a reliable way to integrate AN fittings into your fabricated components. The Allstar Performance 10AN weld bung provides a permanent, leak-free solution that eliminates the need for...
    ALL50763
    SKU:
    ALL50763
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    $8.99
    Qty in Cart: 0
    Quantity:
    Price:
    $8.99
    Subtotal:
  • AN Weld Bung 8AN Male Aluminum ALL50762

    Allstar Performance AN Weld Bung 8AN Male Aluminum ALL50762

    ALLSTAR PERFORMANCE

    $8.99
    A reliable weld-on bung is essential when you need a permanent, leak-free connection point for -8AN hose lines in your fuel, coolant, or brake systems. This Allstar Performance bung eliminates the need for threaded ports and adapters, giving you a clean,...
    ALL50762
    SKU:
    ALL50762
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    $8.99
    Qty in Cart: 0
    Quantity:
    Price:
    $8.99
    Subtotal:
  • AN Weld Bung 6AN Male Aluminum ALL50761

    Allstar Performance AN Weld Bung 6AN Male Aluminum ALL50761

    ALLSTAR PERFORMANCE

    $7.99
    A reliable fuel, oil, or coolant system requires secure connection points that can handle sustained pressure without leakage. This Allstar Performance weld bung provides a clean, permanent integration point for -6AN hose fittings, eliminating the need...
    ALL50761
    SKU:
    ALL50761
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    $7.99
    Qty in Cart: 0
    Quantity:
    Price:
    $7.99
    Subtotal:
  • AN Weld Bung 4AN Male Aluminum ALL50760

    Allstar Performance AN Weld Bung 4AN Male Aluminum ALL50760

    ALLSTAR PERFORMANCE

    $7.99
    When you're running custom fuel, coolant, or oil lines on your race engine, you need a solid anchor point that won't fail under pressure. This Allstar Performance weld bung provides a precise 4AN male connection point that you fabricate directly into...
    ALL50760
    SKU:
    ALL50760
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    $7.99
    Qty in Cart: 0
    Quantity:
    Price:
    $7.99
    Subtotal:
  • NPT Female Weld Bung 3/4in-14 Steel ALL50754

    Allstar Performance NPT Female Weld Bung 3/4in-14 Steel ALL50754

    ALLSTAR PERFORMANCE

    $11.59
    If you're building custom fuel systems, coolant lines, or pneumatic setups, you need a reliable mounting point that won't leak under pressure. This Allstar Performance weld bung gives you a professional-grade NPT female port that installs directly into...
    ALL50754
    SKU:
    ALL50754
    Availability:
    Ships Same Business Day
    Weight:
    0.24 LBS
    $11.59
    Qty in Cart: 0
    Quantity:
    Price:
    $11.59
    Subtotal:
  • NPT Female Weld Bung 1/2in-14 Steel ALL50753

    Allstar Performance NPT Female Weld Bung 1/2in-14 Steel ALL50753

    ALLSTAR PERFORMANCE

    $9.59
    When you're building a custom fuel system, coolant circuit, or pneumatic line setup, you need a reliable mounting point that won't leak under pressure. This Allstar Performance NPT Female Weld Bung provides a clean, permanent installation solution for...
    ALL50753
    SKU:
    ALL50753
    Availability:
    Ships Same Business Day
    Weight:
    0.21 LBS
    $9.59
    Qty in Cart: 0
    Quantity:
    Price:
    $9.59
    Subtotal:
  • NPT Female Weld Bung 3/8in-18 Steel ALL50752

    Allstar Performance NPT Female Weld Bung 3/8in-18 Steel ALL50752

    ALLSTAR PERFORMANCE

    $7.99
    When you're building a custom fuel system, oil line, or coolant circuit, you need a reliable connection point that won't leak under pressure. This Allstar Performance NPT female weld bung gives you a professional-grade solution for permanently...
    ALL50752
    SKU:
    ALL50752
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    $7.99
    Qty in Cart: 0
    Quantity:
    Price:
    $7.99
    Subtotal:
  • NPT Female Weld Bung 1/4in-18 Steel ALL50751

    Allstar Performance NPT Female Weld Bung 1/4in-18 Steel ALL50751

    ALLSTAR PERFORMANCE

    $6.89
    When you're running precision fuel systems, gauges, or coolant lines, you need fittings that won't leak under pressure. This Allstar Performance NPT Female Weld Bung gives you a clean, permanent connection point with the strength of a welded...
    ALL50751
    SKU:
    ALL50751
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    $6.89
    Qty in Cart: 0
    Quantity:
    Price:
    $6.89
    Subtotal:
  • NPT Female Weld Bung 1/8in-27 Steel ALL50750

    Allstar Performance NPT Female Weld Bung 1/8in-27 Steel ALL50750

    ALLSTAR PERFORMANCE

    $6.89
    When you're building a custom fuel system, oil cooling circuit, or pneumatic line, you need reliable connection points that won't leak under pressure or vibration. This Allstar Performance weld bung provides a robust, permanent mounting solution for NPT...
    ALL50750
    SKU:
    ALL50750
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    $6.89
    Qty in Cart: 0
    Quantity:
    Price:
    $6.89
    Subtotal:
  • NPT Female Weld Bung 1in-11-1/2 Aluminum ALL50745

    Allstar Performance NPT Female Weld Bung 1in-11-1/2 Aluminum ALL50745

    ALLSTAR PERFORMANCE

    $12.99
    When you're building a custom fuel system, coolant loop, or any pressurized application, you need a reliable intake point that won't leak or fail under stress. The Allstar Performance NPT Female Weld Bung gives you a precision-machined aluminum solution...
    ALL50745
    SKU:
    ALL50745
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    $12.99
    Qty in Cart: 0
    Quantity:
    Price:
    $12.99
    Subtotal:
  • Total: items /

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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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