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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 Female x #16 Male Swivel Expander Black FRG497316-BL

    Fragola #12 Female x #16 Male Swivel Expander Black 497316-BL

    FRAGOLA

    $33.99
    When you're running AN fittings in your fuel, oil, or coolant system, mismatched port sizes shouldn't force you into custom fabrication. The Fragola #12 Female x #16 Male Swivel Expander lets you confidently bridge that gap with a direct, leak-free...
    FRG497316-BL
    SKU:
    FRG497316-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    MFG Part #:
    497316-BL
    $33.99
    Qty in Cart: 0
    Quantity:
    Price:
    $33.99
    Subtotal:
  • #10 Female x #12 Male Swivel Expander Black FRG497312-BL

    Fragola #10 Female x #12 Male Swivel Expander Black 497312-BL

    FRAGOLA

    $16.99
    When fluid routing demands a size transition, compromises in durability or flow efficiency are not an option. The Fragola #10 Female x #12 Male Swivel Expander delivers a precision-engineered solution that maintains system integrity while accommodating...
    FRG497312-BL
    SKU:
    FRG497312-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    MFG Part #:
    497312-BL
    $16.99
    Qty in Cart: 0
    Quantity:
    Price:
    $16.99
    Subtotal:
  • #10 Female x #12 Male Swivel Reducer FRG497312

    Fragola #10 Female x #12 Male Swivel Reducer 497312

    FRAGOLA

    $10.99
    When you're building or upgrading a fuel system, coolant line, or hydraulic circuit, mismatched AN fittings can force expensive workarounds or compromise reliability. This Fragola swivel reducer gives you a clean, leak-free connection between #10 and #12...
    FRG497312
    SKU:
    FRG497312
    Availability:
    Ships Same Business Day
    Weight:
    0.16 LBS
    MFG Part #:
    497312
    $10.99
    Qty in Cart: 0
    Quantity:
    Price:
    $10.99
    Subtotal:
  • Fragola -20 AN Female to -16 AN Male Swivel Reducer Black 497219-BL

    Fragola -20 AN Female to -16 AN Male Swivel Reducer Black 497219-BL

    FRAGOLA

    $27.99
    When you're running a fuel system, cooling loop, or custom hydraulic setup, mismatched AN fittings create leaks, pressure drops, and unnecessary headaches. This Fragola swivel reducer solves that problem by cleanly stepping down from -20 AN female to -16...
    FRG497219-BL
    SKU:
    FRG497219-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    MFG Part #:
    497219-BL
    $27.99
    Qty in Cart: 0
    Quantity:
    Price:
    $27.99
    Subtotal:
  • #8 Female x #4 Male Swivel Reducer Black FRG497218-BL

    Fragola #8 Female x #4 Male Swivel Reducer Black 497218-BL

    FRAGOLA

    $9.99
    When you're building or modifying a fuel, coolant, or brake system, adapter fittings are critical to maintaining reliable connections across different line sizes. This Fragola swivel reducer lets you step down from larger #8 AN plumbing to #4 AN with...
    FRG497218-BL
    SKU:
    FRG497218-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    MFG Part #:
    497218-BL
    $9.99
    Qty in Cart: 0
    Quantity:
    Price:
    $9.99
    Subtotal:
  • #8 Female x #4 Male Swivel Reducer FRG497218

    Fragola #8 Female x #4 Male Swivel Reducer 497218

    FRAGOLA

    $9.99
    Downsizing your fuel or fluid line without compromising flow integrity requires a fitting that maintains precision tolerances and reliable sealing under pressure. This Fragola swivel reducer adapts larger 8 AN supply lines to smaller 4 AN destinations,...
    FRG497218
    SKU:
    FRG497218
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    MFG Part #:
    497218
    $9.99
    Qty in Cart: 0
    Quantity:
    Price:
    $9.99
    Subtotal:
  • #16 Female x #12 Male Swivel Reducer Black FRG497217-BL

    Fragola #16 Female x #12 Male Swivel Reducer Black 497217-BL

    FRAGOLA

    $21.49
    Fluid system transitions demand precision—this Fragola swivel reducer seamlessly connects larger-diameter feed lines to smaller-diameter components without restricting flow or introducing weak points. The swivel design eliminates stress on connected...
    FRG497217-BL
    SKU:
    FRG497217-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.24 LBS
    MFG Part #:
    497217-BL
    $21.49
    Qty in Cart: 0
    Quantity:
    Price:
    $21.49
    Subtotal:
  • #16 Female x #12 Male Swivel Reducer FRG497217

    Fragola #16 Female x #12 Male Swivel Reducer 497217

    FRAGOLA

    $12.99
    When you're building a custom fuel system or upgrading your plumbing lines, mismatched fitting sizes can force you into complex workarounds or unreliable adapters. The Fragola #16 Female x #12 Male Swivel Reducer solves this problem with a...
    FRG497217
    SKU:
    FRG497217
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    MFG Part #:
    497217
    $12.99
    Qty in Cart: 0
    Quantity:
    Price:
    $12.99
    Subtotal:
  • #16 Female x #10 Male Swivel Reducer Black FRG497216-BL

    Fragola #16 Female x #10 Male Swivel Reducer Black 497216-BL

    FRAGOLA

    $24.99
    When you're building a custom fuel, coolant, or brake line system, mismatched AN port sizes create potential leak points and performance compromises. This Fragola swivel reducer solves that problem instantly—allowing you to connect #16 female swivel...
    FRG497216-BL
    SKU:
    FRG497216-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.24 LBS
    MFG Part #:
    497216-BL
    $24.99
    Qty in Cart: 0
    Quantity:
    Price:
    $24.99
    Subtotal:
  • #16 Female x #10 Male Swivel Reducer FRG497216

    Fragola #16 Female x #10 Male Swivel Reducer 497216

    FRAGOLA

    $14.99
    When you're running a complex fuel, coolant, or hydraulic system, line size mismatches create unnecessary adapter stacking and potential leak points. This Fragola swivel reducer solves that problem with a single, clean transition from #16 to #10...
    FRG497216
    SKU:
    FRG497216
    Availability:
    Ships Same Business Day
    Weight:
    0.24 LBS
    MFG Part #:
    497216
    $14.99
    Qty in Cart: 0
    Quantity:
    Price:
    $14.99
    Subtotal:
  • #12 Female x #10 Male Swivel Reducer Black FRG497213-BL

    Fragola #12 Female x #10 Male Swivel Reducer Black 497213-BL

    FRAGOLA

    $15.99
    When you're running high-pressure fuel or coolant lines, mismatched port sizes can force costly custom fabrication or compromise system integrity. This Fragola swivel reducer eliminates that headache by seamlessly stepping down from #12 to #10 AN ports...
    FRG497213-BL
    SKU:
    FRG497213-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.18 LBS
    MFG Part #:
    497213-BL
    $15.99
    Qty in Cart: 0
    Quantity:
    Price:
    $15.99
    Subtotal:
  • #12 Female x #10 Male Swivel Reducer FRG497213

    Fragola #12 Female x #10 Male Swivel Reducer 497213

    FRAGOLA

    $9.49
    When you're running high-pressure fuel or coolant lines in a tight engine bay, mismatched AN fittings can force you into expensive custom fabrication. This Fragola swivel reducer seamlessly bridges #12 and #10 AN systems, eliminating adapter stacks while...
    FRG497213
    SKU:
    FRG497213
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    MFG Part #:
    497213
    $9.49
    Qty in Cart: 0
    Quantity:
    Price:
    $9.49
    Subtotal:
  • #12 Female x #8 Male Swivel Reducer Black FRG497212-BL

    Fragola #12 Female x #8 Male Swivel Reducer Black 497212-BL

    FRAGOLA

    $15.99
    When you're running high-flow fuel or coolant systems, mismatched port sizes can force you into costly custom fabrication or unreliable adapters. This Fragola swivel reducer gives you a direct solution—connecting your #12 AN female ports to #8 AN male...
    FRG497212-BL
    SKU:
    FRG497212-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.16 LBS
    MFG Part #:
    497212-BL
    $15.99
    Qty in Cart: 0
    Quantity:
    Price:
    $15.99
    Subtotal:
  • #10 Female x #8 Male Swivel Reducer Black FRG497211-BL

    Fragola #10 Female x #8 Male Swivel Reducer Black 497211-BL

    FRAGOLA

    $10.99
    When you're building a high-performance fuel system or hydraulic line setup, mismatched AN fittings can create weak points that compromise both reliability and flow efficiency. This Fragola swivel reducer gives you a clean, leak-free connection between...
    FRG497211-BL
    SKU:
    FRG497211-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    MFG Part #:
    497211-BL
    $10.99
    Qty in Cart: 0
    Quantity:
    Price:
    $10.99
    Subtotal:
  • #10 Female x #8 Male Swivel Reducer FRG497211

    Fragola #10 Female x #8 Male Swivel Reducer 497211

    FRAGOLA

    $9.99
    When you're building a fuel system or hydraulic line setup, mismatched port sizes can force you to use multiple adapters or custom fabrication—both costly mistakes. This Fragola swivel reducer eliminates that headache by seamlessly stepping down from #10...
    FRG497211
    SKU:
    FRG497211
    Availability:
    Ships Same Business Day
    Weight:
    0.14 LBS
    MFG Part #:
    497211
    $9.99
    Qty in Cart: 0
    Quantity:
    Price:
    $9.99
    Subtotal:
  • #10 Female x #6 Male Swivel Reducer Black FRG497210-BL

    Fragola #10 Female x #6 Male Swivel Reducer Black 497210-BL

    FRAGOLA

    $14.99
    When you're running high-pressure fuel or coolant lines in a forced induction setup, mismatched fitting sizes can force expensive custom fabrication or compromise system integrity. The Fragola #10 Female x #6 Male Swivel Reducer eliminates that problem...
    FRG497210-BL
    SKU:
    FRG497210-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    497210-BL
    $14.99
    Qty in Cart: 0
    Quantity:
    Price:
    $14.99
    Subtotal:
  • #10 Female x #6 Male Swivel Reducer FRG497210

    Fragola #10 Female x #6 Male Swivel Reducer 497210

    FRAGOLA

    $8.49
    Proper AN hose sizing is critical when designing or modifying fuel systems, coolant lines, or brake circuits—mismatched fittings create leaks, pressure loss, and potential system failure. This Fragola swivel reducer transitions from a larger 10 AN female...
    FRG497210
    SKU:
    FRG497210
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    MFG Part #:
    497210
    $8.49
    Qty in Cart: 0
    Quantity:
    Price:
    $8.49
    Subtotal:
  • #8 Female x #6 Male Swivel Reducer Black FRG497208-BL

    Fragola #8 Female x #6 Male Swivel Reducer Black 497208-BL

    FRAGOLA

    $11.99
    Fragola's #8 Female x #6 Male Swivel Reducer gives you a reliable, leak-free connection when stepping down from larger to smaller AN lines in your fuel, oil, or coolant system. The swivel design eliminates the need for a wrench on the female end during...
    FRG497208-BL
    SKU:
    FRG497208-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    497208-BL
    $11.99
    Qty in Cart: 0
    Quantity:
    Price:
    $11.99
    Subtotal:
  • #8 Female x #6 Male Swivel Reducer FRG497208

    Fragola #8 Female x #6 Male Swivel Reducer 497208

    FRAGOLA

    $9.49
    When you're running fuel lines or hydraulic systems in a high-performance setup, mismatched fitting sizes can force you into awkward adapter chains that invite leaks and restrict flow. This Fragola swivel reducer solves that problem with a direct #8...
    FRG497208
    SKU:
    FRG497208
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    MFG Part #:
    497208
    $9.49
    Qty in Cart: 0
    Quantity:
    Price:
    $9.49
    Subtotal:
  • #6 Female x #4 Male Swivel Reducer Black FRG497206-BL

    Fragola #6 Female x #4 Male Swivel Reducer Black 497206-BL

    FRAGOLA

    $9.39
    Stepping down from larger-diameter fuel or fluid lines? This Fragola swivel reducer bridges the gap between #6 and #4 AN ports with zero leaks and full adjustability. The swivel design eliminates fitting stress on both connection points, ensuring...
    FRG497206-BL
    SKU:
    FRG497206-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    497206-BL
    $9.39
    Qty in Cart: 0
    Quantity:
    Price:
    $9.39
    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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