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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
  • #10 Str Swivel-Seal  EAR800110ERL

    Earls #10 Str Swivel-Seal 800110ERL

    EARLS

    $27.27
    The Earls #10 Str Swivel-Seal fitting is engineered for reliable, leak-free connections in high-pressure fuel, oil, and coolant systems where vibration and thermal cycling demand precision. Its swivel design eliminates hose twist and strain during...
    EAR800110ERL
    SKU:
    EAR800110ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    800110ERL
    Qty in Cart: 0
    Quantity:
    Price:
    $27.27
    Subtotal:
  • #6 Str Swivel-Seal  EAR800106ERL

    Earls #6 Str Swivel-Seal 800106ERL

    EARLS

    $14.25
    The Earls #6 Str Swivel-Seal fitting delivers leak-free connections in high-pressure fuel, coolant, and brake line applications where vibration and thermal expansion demand reliability. Its 360-degree swivel design eliminates the need for wrench access...
    EAR800106ERL
    SKU:
    EAR800106ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    800106ERL
    $14.25
    Qty in Cart: 0
    Quantity:
    Price:
    $14.25
    Subtotal:
  • #6 Auto Crimp Collar  EAR798063ERL

    Earls #6 Auto Crimp Collar 798063ERL

    EARLS

    $4.25
    If you're assembling a fuel system, coolant circuit, or any pressurized fluid line, proper fittings are non-negotiable. The Earls #6 Auto Crimp Collar delivers reliable, leak-free connections with its aluminum construction and anodized finish—backed by...
    EAR798063ERL
    SKU:
    EAR798063ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    MFG Part #:
    798063ERL
    $4.25
    Qty in Cart: 0
    Quantity:
    Price:
    $4.25
    Subtotal:
  • #6 90 Super Stk Hose End  EAR709167ERL

    Earls #6 90 Super Stk Hose End 709167ERL

    EARLS

    $31.98
    If you're running fuel, oil, or coolant lines in a high-performance engine bay, you need hose fittings that won't leak under pressure and won't fail when things get hot. Earls Super Stock hose ends are engineered for reliability in racing and street...
    EAR709167ERL
    SKU:
    EAR709167ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    MFG Part #:
    709167ERL
    $31.98
    Qty in Cart: 0
    Quantity:
    Price:
    $31.98
    Subtotal:
  • #10 90 Spr Stk Hose End  EAR709111ERL

    Earls #10 90 Spr Stk Hose End 709111ERL

    EARLS

    $44.79
    A quality hose end fitting is foundational to any high-pressure fuel, coolant, or brake line system—and this Earls Super Stock 90-degree end delivers reliable performance without compromise. The 90-degree angle eliminates awkward routing and potential...
    EAR709111ERL
    SKU:
    EAR709111ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    709111ERL
    $44.79
    Qty in Cart: 0
    Quantity:
    Price:
    $44.79
    Subtotal:
  • #8 90 Super Stk Hose End  EAR709109ERL

    Earls #8 90 Super Stk Hose End 709109ERL

    EARLS

    $38.37
    When you're building a high-flow fuel, oil, or coolant system, reliability depends on secure, leak-free connections. The Earls #8 90 Super Stock Hose End eliminates guesswork with a crimp-style design that locks onto your hose permanently, while the...
    EAR709109ERL
    SKU:
    EAR709109ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    709109ERL
    $38.37
    Qty in Cart: 0
    Quantity:
    Price:
    $38.37
    Subtotal:
  • #8 90 Deg Auto-Mate  EAR709108ERL

    Earls #8 90 Deg Auto-Mate 709108ERL

    EARLS

    $21.11
    When you're running fuel, coolant, or brake lines at high pressure, connection integrity is non-negotiable. The Earls #8 90 Deg Auto-Mate delivers a secure, leak-free transition with its proven Auto-Mate quick-disconnect design—eliminating the need for...
    EAR709108ERL
    SKU:
    EAR709108ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    709108ERL
    $21.11
    Qty in Cart: 0
    Quantity:
    Price:
    $21.11
    Subtotal:
  • #6 90 Degree Auto-Mate  EAR709106ERL

    Earls #6 90 Degree Auto-Mate 709106ERL

    EARLS

    $23.99
    If you're running fuel, coolant, or brake lines on your race car or performance build, you need fittings you can count on under pressure. The Earls #6 90 Degree Auto-Mate delivers a secure, leak-free connection with the convenience of quick-disconnect...
    EAR709106ERL
    SKU:
    EAR709106ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    709106ERL
    $23.99
    Qty in Cart: 0
    Quantity:
    Price:
    $23.99
    Subtotal:
  • #6 45 Super Stk Hose End  EAR704667ERL

    Earls #6 45 Super Stk Hose End 704667ERL

    EARLS

    $30.43
    When you're building a fuel, oil, or coolant system that demands reliability under extreme conditions, a quality hose end fitting is non-negotiable. The Earls #6 45 Super Stock Hose End delivers the precision fit and durability required for...
    EAR704667ERL
    SKU:
    EAR704667ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    MFG Part #:
    704667ERL
    $30.43
    Qty in Cart: 0
    Quantity:
    Price:
    $30.43
    Subtotal:
  • #8 45 Super Stk Hose End  EAR704609ERL

    Earls #8 45 Super Stk Hose End 704609ERL

    EARLS

    $38.37
    If you're running serious fuel, oil, or coolant lines in your race car, connection integrity is non-negotiable. This Earls Super Stock hose end delivers leak-free, vibration-resistant performance with a proven 45-degree design that fits tight engine bays...
    EAR704609ERL
    SKU:
    EAR704609ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    704609ERL
    $38.37
    Qty in Cart: 0
    Quantity:
    Price:
    $38.37
    Subtotal:
  • #6 Str Spr Stock Hose En  EAR700167ERL

    Earls #6 Str Spr Stock Hose En 700167ERL

    EARLS

    $10.21
    If you're running a high-performance fuel or coolant system, you need hose fittings that won't fail under pressure. Earls' Super Stock hose end delivers reliable, leak-free connections with proven durability in competitive racing environments. The...
    EAR700167ERL
    SKU:
    EAR700167ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    MFG Part #:
    700167ERL
    $10.21
    Qty in Cart: 0
    Quantity:
    Price:
    $10.21
    Subtotal:
  • #10 Str Spr Stk Hose End  EAR700111ERL

    Earls #10 Str Spr Stk Hose End 700111ERL

    EARLS

    $12.76
    Reliable hose connections are non-negotiable in high-performance racing systems where fluid integrity directly impacts power delivery and safety. Earls' Super Stock hose ends are engineered for dependable crimped connections that eliminate leaks under...
    EAR700111ERL
    SKU:
    EAR700111ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    MFG Part #:
    700111ERL
    $12.76
    Qty in Cart: 0
    Quantity:
    Price:
    $12.76
    Subtotal:
  • #8 Str Spr Stock Hose En  EAR700109ERL

    Earls #8 Str Spr Stock Hose En 700109ERL

    EARLS

    $10.19
    Whether you're building a high-flow fuel system or upgrading your coolant lines, reliable hose fittings are non-negotiable. The Earls #8 Straight Super Stock Hose delivers the durability and precision fit you need for consistent performance under...
    EAR700109ERL
    SKU:
    EAR700109ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    700109ERL
    $10.19
    Qty in Cart: 0
    Quantity:
    Price:
    $10.19
    Subtotal:
  • #6 Str Auto-Mate  EAR700106ERL

    Earls #6 Str Auto-Mate 700106ERL

    EARLS

    $10.49
    Fluid transfer efficiency is critical in high-performance systems where leaks or poor connections compromise reliability and safety. The Earls #6 Str Auto-Mate delivers a clean, secure connection that eliminates guesswork—the Auto-Mate design ensures...
    EAR700106ERL
    SKU:
    EAR700106ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    700106ERL
    $10.49
    Qty in Cart: 0
    Quantity:
    Price:
    $10.49
    Subtotal:
  • #3 Brass Olive  EAR699030ERL

    Earls #3 Brass Olive 699030ERL

    EARLS

    $4.25
    Proper AN fittings are the foundation of a reliable fuel, oil, or coolant system—and this Earls brass olive is engineered for leak-free connections that won't fail under pressure. Whether you're running a carbureted engine or a modern fuel-injected...
    EAR699030ERL
    SKU:
    EAR699030ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    MFG Part #:
    699030ERL
    $4.25
    Qty in Cart: 0
    Quantity:
    Price:
    $4.25
    Subtotal:
  • #3 SS TFE Hose End  EAR600193ERL

    Earls #3 SS TFE Hose End 600193ERL

    EARLS

    $24.28
    When you're building a high-performance fuel, oil, or coolant system, connection reliability is non-negotiable. This Earls #3 stainless steel hose end eliminates leaks and pressure loss with its Speed Seal design, giving you the durability and precision...
    EAR600193ERL
    SKU:
    EAR600193ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    MFG Part #:
    600193ERL
    $24.28
    Qty in Cart: 0
    Quantity:
    Price:
    $24.28
    Subtotal:
  • `-3 St. Alum. Hose End  EAR600133ERL

    Earls `-3 St. Alum. Hose End 600133ERL

    EARLS

    $20.45
    Fluid system reliability is non-negotiable in high-performance racing, and this Earls hose end delivers the precision fit and leak-free performance your fuel, oil, or coolant lines demand. The Speed Seal design eliminates the need for additional O-rings,...
    EAR600133ERL
    SKU:
    EAR600133ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    600133ERL
    $20.45
    Qty in Cart: 0
    Quantity:
    Price:
    $20.45
    Subtotal:
  • #4 St Hose End  EAR600104ERL

    Earls #4 St Hose End 600104ERL

    EARLS

    $20.44
    A quality hose end fitting is foundational to any high-performance fuel, oil, or coolant system—poor connections lead to leaks, pressure loss, and catastrophic engine damage. The Earls #4 St Hose End delivers Speed Seal reliability with straightforward,...
    EAR600104ERL
    SKU:
    EAR600104ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    600104ERL
    $20.44
    Qty in Cart: 0
    Quantity:
    Price:
    $20.44
    Subtotal:
  • #3 St. Hose End  EAR600103ERL

    Earls #3 St. Hose End 600103ERL

    EARLS

    $14.31
    Fluid line integrity is non-negotiable in high-performance racing applications. The Earls #3 St. Hose End delivers leak-free connections with its Speed Seal technology, eliminating guesswork and potential failures on the track or dyno. Built from steel...
    EAR600103ERL
    SKU:
    EAR600103ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    600103ERL
    $14.31
    Qty in Cart: 0
    Quantity:
    Price:
    $14.31
    Subtotal:
  • 3/8in Pipe Plug  EAR593204ERL

    Earls 3/8in Pipe Plug 593204ERL

    EARLS

    $14.35
    Clean up your hydraulic and fuel system endpoints with a solution that won't let you down. These Earls pipe plugs deliver reliable sealing in high-performance applications where leaks aren't an option. The allen head design makes installation and future...
    EAR593204ERL
    SKU:
    EAR593204ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    MFG Part #:
    593204ERL
    $14.35
    Qty in Cart: 0
    Quantity:
    Price:
    $14.35
    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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