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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
  • #8 X 1/2 Hose Barb Fitting FRG484108

    Fragola #8 X 1/2 Hose Barb Fitting 484108

    FRAGOLA

    $10.99
    If you're running fuel, coolant, or brake lines in a high-performance application, you need fittings that won't leak under pressure. The Fragola #8 X 1/2 Hose Barb Fitting delivers a straightforward, reliable connection between AN plumbing and standard...
    FRG484108
    SKU:
    FRG484108
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    MFG Part #:
    484108
    $10.99
    Qty in Cart: 0
    Quantity:
    Price:
    $10.99
    Subtotal:
  • #6 X 3/8 Hose Barb Fitting FRG484106

    Fragola #6 X 3/8 Hose Barb Fitting 484106

    FRAGOLA

    $5.99
    If you're running fuel, coolant, or brake lines in your race car or high-performance build, proper hose-to-fitting transitions are critical for reliability and leak-free operation. This Fragola adapter bridges the gap between AN-spec hard lines and...
    FRG484106
    SKU:
    FRG484106
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    MFG Part #:
    484106
    $5.99
    Qty in Cart: 0
    Quantity:
    Price:
    $5.99
    Subtotal:
  • #4  X 1/4 Hose Barb Fitting FRG484104

    Fragola #4 X 1/4 Hose Barb Fitting 484104

    FRAGOLA

    $5.99
    If you're running fuel, coolant, or brake lines on your race car or high-performance build, reliable hose adapters are non-negotiable—leaks or fitting failures can cost you a race or worse. The Fragola #4 X 1/4 Hose Barb Fitting delivers the precision...
    FRG484104
    SKU:
    FRG484104
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    484104
    $5.99
    Qty in Cart: 0
    Quantity:
    Price:
    $5.99
    Subtotal:
  • 3/4 Hose Barb X 3/4 MPT Fitting Black FRG484012-BL

    Fragola 3/4 Hose Barb X 3/4 MPT Fitting Black 484012-BL

    FRAGOLA

    $22.99
    A reliable hydraulic or coolant line connection is fundamental to any performance system, and this Fragola adapter delivers precisely that without compromise. The 3/4 hose barb to 3/4 NPT straight fitting provides a secure, leak-free interface for your...
    FRG484012-BL
    SKU:
    FRG484012-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.14 LBS
    MFG Part #:
    484012-BL
    $22.99
    Qty in Cart: 0
    Quantity:
    Price:
    $22.99
    Subtotal:
  • 5/8 Hose Barb X 1/2 MPT Fitting Black FRG484010-BL

    Fragola 5/8 Hose Barb X 1/2 MPT Fitting Black 484010-BL

    FRAGOLA

    $16.99
    This Fragola hose barb fitting is an essential adapter for connecting fluid lines in high-performance cooling, fuel, and brake systems where size conversion is required. The straight-shot design minimizes turbulence and pressure drop, while the...
    FRG484010-BL
    SKU:
    FRG484010-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    MFG Part #:
    484010-BL
    $16.99
    Qty in Cart: 0
    Quantity:
    Price:
    $16.99
    Subtotal:
  • 1/2 Hose Barb X 3/8 MPT Fitting Black FRG484008-BL

    Fragola 1/2 Hose Barb X 3/8 MPT Fitting Black 484008-BL

    FRAGOLA

    $9.99
    If you're running a fuel, coolant, or brake system that demands precision connections, mismatched hose and port sizes will cost you reliability and performance. This Fragola adapter bridges the gap between 1/2" hose barbs and 3/8" NPT ports, eliminating...
    FRG484008-BL
    SKU:
    FRG484008-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    484008-BL
    $9.99
    Qty in Cart: 0
    Quantity:
    Price:
    $9.99
    Subtotal:
  • 1/2 Hose Barb X 3/8 MPT Fitting FRG484008

    Fragola 1/2 Hose Barb X 3/8 MPT Fitting 484008

    FRAGOLA

    $7.99
    If you're running a fuel system, coolant loop, or pneumatic setup, proper fitting adapters are non-negotiable for leak-free performance. This Fragola hose barb fitting bridges 1/2" hose to 3/8" NPT ports with reliable aluminum construction, giving you a...
    FRG484008
    SKU:
    FRG484008
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    484008
    $7.99
    Qty in Cart: 0
    Quantity:
    Price:
    $7.99
    Subtotal:
  • 3/8 Hose Barb X 1/4 MPT Fitting Black FRG484006-BL

    Fragola 3/8 Hose Barb X 1/4 MPT Fitting Black 484006-BL

    FRAGOLA

    $6.99
    If you're running a fuel system, coolant loop, or pneumatic setup, reliable adapter fittings are non-negotiable—a leak or failed connection can cost you a race or damage your engine. The Fragola 3/8 Hose Barb X 1/4 MPT Fitting delivers the durability and...
    FRG484006-BL
    SKU:
    FRG484006-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    484006-BL
    $6.99
    Qty in Cart: 0
    Quantity:
    Price:
    $6.99
    Subtotal:
  • 3/8 Hose Barb X 1/4 MPT Fitting FRG484006

    Fragola 3/8 Hose Barb X 1/4 MPT Fitting 484006

    FRAGOLA

    $4.99
    Fragola's 3/8" hose barb to 1/4" MPT adapter is an essential component for building custom fluid lines in forced induction systems, fuel injection setups, and hydraulic applications. The aluminum construction with blue anodized finish provides corrosion...
    FRG484006
    SKU:
    FRG484006
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    484006
    $4.99
    Qty in Cart: 0
    Quantity:
    Price:
    $4.99
    Subtotal:
  • 1/4 Hose Barb X 1/8 MPT Fitting Black FRG484004-BL

    Fragola 1/4 Hose Barb X 1/8 MPT Fitting Black 484004-BL

    FRAGOLA

    $6.99
    If you're building a custom fuel, coolant, or vacuum system, you need reliable adapter fittings that won't leak under pressure. This Fragola barb-to-NPT fitting provides a clean, straightforward connection between 1/4" hose and 1/8" male pipe thread...
    FRG484004-BL
    SKU:
    FRG484004-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    484004-BL
    $6.99
    Qty in Cart: 0
    Quantity:
    Price:
    $6.99
    Subtotal:
  • 1/4 HOSE BARB X 1/8 MPT Fitting FRG484004

    Fragola 1/4 HOSE BARB X 1/8 MPT Fitting 484004

    FRAGOLA

    $5.49
    Proper fluid routing is critical in high-performance systems, and this Fragola adapter ensures reliable connections between hose and threaded ports without leaks or flow restrictions. The 1/4" hose barb to 1/8" NPT design accommodates common fuel,...
    FRG484004
    SKU:
    FRG484004
    Availability:
    Ships Same Business Day
    Weight:
    0.36 LBS
    MFG Part #:
    484004
    $5.49
    Qty in Cart: 0
    Quantity:
    Price:
    $5.49
    Subtotal:
  • #3 x 45 Deg Bulkhead Fitting Black FRG483703-BL

    Fragola #3 x 45 Deg Bulkhead Fitting Black 483703-BL

    FRAGOLA

    $10.99
    Clean, efficient bulkhead routing is essential when you're building a fuel system or hydraulic line setup that demands precision and reliability. This Fragola fitting lets you transition lines at a 45-degree angle through a panel or firewall without...
    FRG483703-BL
    SKU:
    FRG483703-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    483703-BL
    $10.99
    Qty in Cart: 0
    Quantity:
    Price:
    $10.99
    Subtotal:
  • #8 Bulkhead Tee Fitting Black FRG483408-BL

    Fragola #8 Bulkhead Tee Fitting Black 483408-BL

    FRAGOLA

    $16.99
    The Fragola #8 Bulkhead Tee Fitting provides a clean, leak-free junction point for three separate fluid lines in a compact footprint—essential for fuel systems, coolant circuits, and brake line distribution where space is tight. Black anodized aluminum...
    FRG483408-BL
    SKU:
    FRG483408-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.18 LBS
    MFG Part #:
    483408-BL
    $16.99
    Qty in Cart: 0
    Quantity:
    Price:
    $16.99
    Subtotal:
  • #6 Bulkhead Tee Fitting Black FRG483406-BL

    Fragola #6 Bulkhead Tee Fitting Black 483406-BL

    FRAGOLA

    $21.99
    If you're running a high-flow fuel system, transmission cooler, or custom hydraulic setup, a reliable bulkhead tee fitting is non-negotiable. The Fragola #6 Bulkhead Tee eliminates weak junction points by consolidating three -6 AN lines into a single,...
    FRG483406-BL
    SKU:
    FRG483406-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    MFG Part #:
    483406-BL
    $21.99
    Qty in Cart: 0
    Quantity:
    Price:
    $21.99
    Subtotal:
  • #4 Bulkhead Tee Fitting Black FRG483404-BL

    Fragola #4 Bulkhead Tee Fitting Black 483404-BL

    FRAGOLA

    $16.99
    The Fragola #4 Bulkhead Tee Fitting delivers a reliable, compact junction point for high-pressure fuel and fluid systems where space is critical. Its three AN ports allow you to split or combine flow in a single, leak-free connection—essential for custom...
    FRG483404-BL
    SKU:
    FRG483404-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    MFG Part #:
    483404-BL
    Qty in Cart: 0
    Quantity:
    Price:
    $16.99
    Subtotal:
  • #3 Bulkhead Tee Fitting Black FRG483403-BL

    Fragola #3 Bulkhead Tee Fitting Black 483403-BL

    FRAGOLA

    $25.99
    If you're building a fuel system, coolant loop, or brake line circuit that demands clean, reliable connections, the Fragola #3 Bulkhead Tee Fitting delivers the precision engineering and durability your setup requires. This aluminum fitting handles three...
    FRG483403-BL
    SKU:
    FRG483403-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    483403-BL
    $25.99
    Qty in Cart: 0
    Quantity:
    Price:
    $25.99
    Subtotal:
  • #3 Bulkhead Tee Fitting FRG483403

    Fragola #3 Bulkhead Tee Fitting 483403

    FRAGOLA

    $11.99
    The Fragola #3 Bulkhead Tee Fitting delivers a compact, leak-free solution for multi-directional fluid routing in high-performance fuel, oil, and coolant systems. Its three-port design eliminates the need for multiple separate fittings, reducing...
    FRG483403
    SKU:
    FRG483403
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    483403
    Qty in Cart: 0
    Quantity:
    Price:
    $11.99
    Subtotal:
  • #12 x 90 Deg Bulkhead Fitting Black FRG483312-BL

    Fragola #12 x 90 Deg Bulkhead Fitting Black 483312-BL

    FRAGOLA

    $26.99
    A clean 90-degree bulkhead fitting is essential for routing high-pressure fuel, oil, or coolant lines through chassis walls and firewalls without compromising flow integrity or appearance. The Fragola #12 x 90 Deg Bulkhead Fitting delivers the precision...
    FRG483312-BL
    SKU:
    FRG483312-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    MFG Part #:
    483312-BL
    $26.99
    Qty in Cart: 0
    Quantity:
    Price:
    $26.99
    Subtotal:
  • #10 x 90 Deg Bulkhead Fitting Black FRG483310-BL

    Fragola #10 x 90 Deg Bulkhead Fitting Black 483310-BL

    FRAGOLA

    $22.99
    Clean up your fuel, coolant, or brake system routing with a reliable 90-degree bulkhead transition that saves space in tight engine bays. The Fragola #10 x 90 Deg Bulkhead Fitting delivers a secure, leak-free connection without requiring custom...
    FRG483310-BL
    SKU:
    FRG483310-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.23 LBS
    MFG Part #:
    483310-BL
    $22.99
    Qty in Cart: 0
    Quantity:
    Price:
    $22.99
    Subtotal:
  • #10 x 90 Deg Bulkhead Fitting FRG483310

    Fragola #10 x 90 Deg Bulkhead Fitting 483310

    FRAGOLA

    $12.99
    When you're routing high-pressure fuel or fluid lines through a firewall or chassis panel, a quality bulkhead fitting is non-negotiable. The Fragola #10 x 90 Deg Bulkhead Fitting gives you a leak-free seal and a clean install without the guesswork of...
    FRG483310
    SKU:
    FRG483310
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    MFG Part #:
    483310
    $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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