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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 Flare To ORB Adapter 9/16-18 (-6) to -6 ALL49836

    Allstar Performance AN Flare To ORB Adapter 9/16-18 (-6) to -6 ALL49836

    ALLSTAR PERFORMANCE

    $9.99
    When you're running high-pressure fuel or coolant systems, adapter fittings are critical connection points that demand precision and reliability. This Allstar adapter eliminates leaks and simplifies your plumbing by converting AN flare connections to...
    ALL49836
    SKU:
    ALL49836
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    $9.99
    Qty in Cart: 0
    Quantity:
    Price:
    $9.99
    Subtotal:
  • AN Flare To ORB Adapter 7/8-14 (-10) to -4 ALL49834

    Allstar Performance AN Flare To ORB Adapter 7/8-14 (-10) to -4 ALL49834

    ALLSTAR PERFORMANCE

    $13.99
    When you're building a high-performance fuel or hydraulic system, mismatched fitting sizes can compromise flow, create leak points, and force costly workarounds. This Allstar Performance adapter bridges the gap between AN flare and ORB connections,...
    ALL49834
    SKU:
    ALL49834
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    $13.99
    Qty in Cart: 0
    Quantity:
    Price:
    $13.99
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  • AN Flare To ORB Adapter 3/4-16 (-8) to -4 ALL49833

    Allstar Performance AN Flare To ORB Adapter 3/4-16 (-8) to -4 ALL49833

    ALLSTAR PERFORMANCE

    $11.99
    When you're running different AN line sizes across your fuel, oil, or cooling system, adapter fittings aren't optional—they're essential. This Allstar Performance adapter delivers a reliable, leak-free connection between 3/4-16 (-8) and -4 AN lines...
    ALL49833
    SKU:
    ALL49833
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    $11.99
    Qty in Cart: 0
    Quantity:
    Price:
    $11.99
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  • AN Flare To ORB Adapter 9/16-18 (-6) to -4 ALL49832

    Allstar Performance AN Flare To ORB Adapter 9/16-18 (-6) to -4 ALL49832

    ALLSTAR PERFORMANCE

    $9.99
    When running multiple brake lines, fuel systems, or custom cooling circuits, proper fitting transitions are critical to system integrity and performance. This Allstar Performance AN adapter bridges the gap between 6 AN and 4 AN connections with a...
    ALL49832
    SKU:
    ALL49832
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    $9.99
    Qty in Cart: 0
    Quantity:
    Price:
    $9.99
    Subtotal:
  • AN Flare To ORB Adapter 7/16-20 (-4) to -4 ALL49831

    Allstar Performance AN Flare To ORB Adapter 7/16-20 (-4) to -4 ALL49831

    ALLSTAR PERFORMANCE

    $9.99
    If you're running AN fuel or fluid lines in your race car or performance build, you need reliable adapters that won't leak under pressure. This Allstar Performance AN adapter converts 7/16-20 AN flare fittings to -4 ORB (O-Ring Boss) ports, making it...
    ALL49831
    SKU:
    ALL49831
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    $9.99
    Qty in Cart: 0
    Quantity:
    Price:
    $9.99
    Subtotal:
  • AN Flare To ORB Adapter 3/8-24 (-3) to -4 ALL49830

    Allstar Performance AN Flare To ORB Adapter 3/8-24 (-3) to -4 ALL49830

    ALLSTAR PERFORMANCE

    $9.99
    When fuel lines, coolant hoses, or brake systems require a seamless transition between different AN fitting sizes, this adapter ensures leak-free connections without compromises. The straight-flow design minimizes turbulence and pressure drop, critical...
    ALL49830
    SKU:
    ALL49830
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    $9.99
    Qty in Cart: 0
    Quantity:
    Price:
    $9.99
    Subtotal:
  • Hex Plug NPT 1/2in  ALL49822

    Allstar Performance Hex Plug NPT 1/2in ALL49822

    ALLSTAR PERFORMANCE

    $6.99
    A quality hex plug is essential for sealing NPT port openings in fuel systems, oil lines, and cooling circuits—preventing leaks and contamination that compromise performance and reliability. This Allstar Performance plug delivers the durability and...
    ALL49822
    SKU:
    ALL49822
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    $6.99
    Qty in Cart: 0
    Quantity:
    Price:
    $6.99
    Subtotal:
  • Hex Plug NPT 3/8in  ALL49821

    Allstar Performance Hex Plug NPT 3/8in ALL49821

    ALLSTAR PERFORMANCE

    $5.69
    A quality NPT plug is essential for sealing off unused ports and preventing fluid leakage in your fuel, coolant, and oil systems. This Allstar Performance hex plug delivers reliable sealing with a design that's easy to install and remove for future...
    ALL49821
    SKU:
    ALL49821
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    $5.69
    Qty in Cart: 0
    Quantity:
    Price:
    $5.69
    Subtotal:
  • Hex Plug NPT 1/8in  ALL49820

    Allstar Performance Hex Plug NPT 1/8in ALL49820

    ALLSTAR PERFORMANCE

    $3.69
    Proper fluid system sealing is non-negotiable in high-performance racing applications. This Allstar hex plug provides a reliable, corrosion-resistant solution for blocking off unused 1/8" NPT ports on your engine block, fuel system, or cooling circuit...
    ALL49820
    SKU:
    ALL49820
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    $3.69
    Qty in Cart: 0
    Quantity:
    Price:
    $3.69
    Subtotal:
  • Allen Plug NPT 1/2in Steel ALL49814

    Allstar Performance Allen Plug NPT 1/2in Steel ALL49814

    ALLSTAR PERFORMANCE

    $2.79
    NPT threaded ports are essential access points for fluid systems, sensors, and gauges in high-performance engines and custom builds. This Allstar Performance plug delivers a reliable, secure seal with its steel construction and hex-head design,...
    ALL49814
    SKU:
    ALL49814
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    $2.79
    Qty in Cart: 0
    Quantity:
    Price:
    $2.79
    Subtotal:
  • Allen Plugs NPT 3/8in Steel 2pk ALL49813

    Allstar Performance Allen Plugs NPT 3/8in Steel 2pk ALL49813

    ALLSTAR PERFORMANCE

    $2.79
    Allstar Performance Allen Head plugs deliver reliable, corrosion-resistant sealing for critical fluid passages in your engine bay. The zinc oxide coating ensures long-term durability in harsh racing environments, while the 3/8" NPT thread standard...
    ALL49813
    SKU:
    ALL49813
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    $2.79
    Qty in Cart: 0
    Quantity:
    Price:
    $2.79
    Subtotal:
  • Allen Plugs NPT 1/4in Steel 2pk ALL49812

    Allstar Performance Allen Plugs NPT 1/4in Steel 2pk ALL49812

    ALLSTAR PERFORMANCE

    $2.79
    NPT port plugs are essential for sealing unused fittings on your engine block, cylinder head, or fuel system—preventing fluid leaks and contamination that compromise reliability. These Allstar Performance plugs deliver a secure, repeatable seal with a...
    ALL49812
    SKU:
    ALL49812
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $2.79
    Subtotal:
  • Allen Plugs NPT 1/8in Steel 2pk ALL49811

    Allstar Performance Allen Plugs NPT 1/8in Steel 2pk ALL49811

    ALLSTAR PERFORMANCE

    $2.79
    Properly sealing your engine block, cylinder head, or fuel system requires fittings that won't leak under pressure and won't strip under torque. These Allstar Performance Allen plugs deliver reliable, corrosion-resistant sealing for NPT ports commonly...
    ALL49811
    SKU:
    ALL49811
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    $2.79
    Qty in Cart: 0
    Quantity:
    Price:
    $2.79
    Subtotal:
  • Allen Plug NPT 3/4in  ALL49805

    Allstar Performance Allen Plug NPT 3/4in ALL49805

    ALLSTAR PERFORMANCE

    $7.99
    When you're building a high-performance engine bay, every port and passage matters—and that includes the fittings you use to seal them. The Allstar Performance Allen Plug NPT 3/4in delivers a clean, reliable solution for blocking off unused ports without...
    ALL49805
    SKU:
    ALL49805
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    $7.99
    Qty in Cart: 0
    Quantity:
    Price:
    $7.99
    Subtotal:
  • Allen Plug NPT 1/2in  ALL49804

    Allstar Performance Allen Plug NPT 1/2in ALL49804

    ALLSTAR PERFORMANCE

    $5.99
    When you're building a high-performance engine or hydraulic system, port management matters—and every open fitting needs a reliable plug. The Allstar Performance Allen Plug delivers a clean, secure closure with a design engineered for racing applications...
    ALL49804
    SKU:
    ALL49804
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    $5.99
    Qty in Cart: 0
    Quantity:
    Price:
    $5.99
    Subtotal:
  • Allen Plugs NPT 3/8in 2pk ALL49803

    Allstar Performance Allen Plugs NPT 3/8in 2pk ALL49803

    ALLSTAR PERFORMANCE

    $5.99
    Allen head plugs are essential for any racing application where clean aesthetics and reliable sealing matter. These Allstar Performance plugs provide a professional appearance while delivering dependable performance in high-vibration environments. The...
    ALL49803
    SKU:
    ALL49803
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    $5.99
    Qty in Cart: 0
    Quantity:
    Price:
    $5.99
    Subtotal:
  • Allen Plugs NPT 1/4in 2pk ALL49802

    Allstar Performance Allen Plugs NPT 1/4in 2pk ALL49802

    ALLSTAR PERFORMANCE

    $4.99
    Allen head plugs are essential for any serious build—they provide a clean, professional appearance while offering superior grip for installation and removal compared to standard hex fittings. These Allstar Performance plugs seal NPT ports reliably,...
    ALL49802
    SKU:
    ALL49802
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    $4.99
    Qty in Cart: 0
    Quantity:
    Price:
    $4.99
    Subtotal:
  • Allen Plugs NPT 1/8in 2pk ALL49801

    Allstar Performance Allen Plugs NPT 1/8in 2pk ALL49801

    ALLSTAR PERFORMANCE

    $4.99
    Clean up your engine bay and eliminate unnecessary port clutter with these precision-engineered aluminum plugs. Whether you're running a fresh block or retrofitting an existing setup, these Allen head plugs provide a reliable, professional-grade solution...
    ALL49801
    SKU:
    ALL49801
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    $4.99
    Qty in Cart: 0
    Quantity:
    Price:
    $4.99
    Subtotal:
  • Allen Plugs NPT 1/16in 2pk ALL49800

    Allstar Performance Allen Plugs NPT 1/16in 2pk ALL49800

    ALLSTAR PERFORMANCE

    $4.99
    These Allen head plugs provide a clean, secure way to seal off unused NPT ports on your engine block, manifold, or fuel system without sacrificing aesthetics or functionality. The black anodized aluminum construction resists corrosion while maintaining a...
    ALL49800
    SKU:
    ALL49800
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    $4.99
    Qty in Cart: 0
    Quantity:
    Price:
    $4.99
    Subtotal:
  • Female Union Aluminum 1/8in to 1/8in NPT ALL49785

    Allstar Performance Female Union Aluminum 1/8in to 1/8in NPT ALL49785

    ALLSTAR PERFORMANCE

    $5.69
    Fluid and pneumatic systems demand reliable connections at every junction—a single leak or loose fitting compromises performance and safety. The Allstar Performance Female Union provides a straightforward, leak-free solution for connecting two 1/8" NPT...
    ALL49785
    SKU:
    ALL49785
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    $5.69
    Qty in Cart: 0
    Quantity:
    Price:
    $5.69
    Subtotal:
  • Total: items /

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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!

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Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

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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!

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