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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
  • Flr Seal Rdcr 10f-6m  XRP995010

    XRP Flr Seal Rdcr 10f-6m XRP995010

    XRP-XTREME RACING PROD.

    $12.99
    When you're running high-pressure fuel or fluid lines, mismatched fittings create weak points that invite leaks and system failures. This XRP reducer adapter steps in with a straightforward solution: seamlessly connect 10 AN female ports to 6 AN male...
    XRP995010
    SKU:
    XRP995010
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    MFG Part #:
    995010
    $12.99
    Qty in Cart: 0
    Quantity:
    Price:
    $12.99
    Subtotal:
  • Flare Seal Reducer  XRP995008

    XRP Flare Seal Reducer XRP995008

    XRP-XTREME RACING PROD.

    $11.99
    Downsizing your hydraulic line diameter without compromising flow integrity requires a precision adapter you can trust. The XRP Flare Seal Reducer handles the transition from 8 AN to 6 AN with zero leakage risk, letting you optimize fuel system, cooling,...
    XRP995008
    SKU:
    XRP995008
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    995008
    $11.99
    Qty in Cart: 0
    Quantity:
    Price:
    $11.99
    Subtotal:
  • Flare Seal Reducer  XRP995006

    XRP Flare Seal Reducer XRP995006

    XRP-XTREME RACING PROD.

    $10.49
    Stepping up to larger displacement engines or upgrading your fuel system often means dealing with mismatched hose sizes—and that's where this reducer fitting becomes essential. The XRP Flare Seal Reducer lets you confidently connect 6 AN hoses to 4 AN...
    XRP995006
    SKU:
    XRP995006
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    995006
    $10.49
    Qty in Cart: 0
    Quantity:
    Price:
    $10.49
    Subtotal:
  • Flare Seal Reducer  XRP995004 Flare Seal Reducer XRP995004

    XRP Flare Seal Reducer XRP995004

    XRP-XTREME RACING PROD.

    $23.49
    When you're running custom fuel, coolant, or brake lines in a high-performance setup, standard fittings don't always match your existing components. The XRP Flare Seal Reducer bridges that gap—giving you a clean, leak-free connection between 4 AN and 3...
    XRP995004
    SKU:
    XRP995004
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    995004
    $23.49
    Qty in Cart: 0
    Quantity:
    Price:
    $23.49
    Subtotal:
  • 1in Pipe Plug (Allen)  XRP993207

    XRP 1in Pipe Plug (Allen) XRP993207

    XRP-XTREME RACING PROD.

    $7.99
    When you're building a high-performance fuel system, cooling circuit, or custom fabrication, you need fittings that won't leak under pressure and can withstand repeated thermal cycles. The XRP 1in Pipe Plug delivers the reliability you need with a clean,...
    XRP993207
    SKU:
    XRP993207
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    993207
    $7.99
    Qty in Cart: 0
    Quantity:
    Price:
    $7.99
    Subtotal:
  • 3/4 Pipe Plug (Allen)  XRP993206

    XRP 3/4 Pipe Plug (Allen) XRP993206

    XRP-XTREME RACING PROD.

    $6.79
    Properly sealing NPT ports is critical to maintaining system integrity under pressure—whether you're running fuel lines, coolant passages, or hydraulic circuits. The XRP 3/4 Pipe Plug delivers a reliable, leak-free closure with a clean aesthetic that...
    XRP993206
    SKU:
    XRP993206
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    993206
    $6.79
    Qty in Cart: 0
    Quantity:
    Price:
    $6.79
    Subtotal:
  • Allen Pipe Plug - 1/2in Black XRP993205BB

    XRP Allen Pipe Plug - 1/2in Black XRP993205BB

    XRP-XTREME RACING PROD.

    $5.59
    A quality port plug is essential for sealing unused manifold or block ports during custom engine builds, preventing coolant leaks and maintaining system integrity. The XRP Allen Pipe Plug combines lightweight aluminum construction with reliable NPT...
    XRP993205BB
    SKU:
    XRP993205BB
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    993205BB
    $5.59
    Qty in Cart: 0
    Quantity:
    Price:
    $5.59
    Subtotal:
  • Allen Pipe Plug - 1/2in  XRP993205

    XRP Allen Pipe Plug - 1/2in XRP993205

    XRP-XTREME RACING PROD.

    $4.99
    If you're building or maintaining a high-performance engine bay, you need reliable port plugging solutions that won't leak or corrode. XRP's aluminum pipe plugs deliver precision engineering in a compact, lightweight package—ideal for sealing NPT ports...
    XRP993205
    SKU:
    XRP993205
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    993205
    $4.99
    Qty in Cart: 0
    Quantity:
    Price:
    $4.99
    Subtotal:
  • 3/8in Male Pipe Plug (2pk) Black XRP993204BB

    XRP 3/8in Male Pipe Plug (2pk) Black XRP993204BB

    XRP-XTREME RACING PROD.

    $5.39
    XRP pipe plugs deliver reliable port sealing for your custom fuel, coolant, and vacuum systems. These black anodized aluminum fittings eliminate leaks at unused NPT ports while maintaining a clean, professional appearance under the hood. The Allen head...
    XRP993204BB
    SKU:
    XRP993204BB
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    993204BB
    $5.39
    Qty in Cart: 0
    Quantity:
    Price:
    $5.39
    Subtotal:
  • 3/8in Male Pipe Plug (2pk) XRP993204

    XRP 3/8in Male Pipe Plug (2pk) XRP993204

    XRP-XTREME RACING PROD.

    $4.99
    Secure your fluid system connections with XRP's precision-engineered pipe plugs. These CNC-machined aluminum fittings eliminate leaks at NPT ports while maintaining a clean, professional appearance in your engine bay or fuel system. Built for reliability...
    XRP993204
    SKU:
    XRP993204
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    993204
    $4.99
    Qty in Cart: 0
    Quantity:
    Price:
    $4.99
    Subtotal:
  • 1/4in Allen Head Pipe Plug (2pk) Black XRP993203BB

    XRP 1/4in Allen Head Pipe Plug (2pk) Black XRP993203BB

    XRP-XTREME RACING PROD.

    $4.39
    Port plugs are essential for a clean, leak-free hydraulic or pneumatic system—whether you're sealing unused NPT ports on a custom fuel system, brake line setup, or air suspension circuit. XRP's aluminum construction resists corrosion and vibration...
    XRP993203BB
    SKU:
    XRP993203BB
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    993203BB
    $4.39
    Qty in Cart: 0
    Quantity:
    Price:
    $4.39
    Subtotal:
  • 1/4in Allen Head Pipe Plug (2pk) XRP993203

    XRP 1/4in Allen Head Pipe Plug (2pk) XRP993203

    XRP-XTREME RACING PROD.

    $3.99
    XRP 1/4in Allen Head Pipe Plugs provide a reliable, corrosion-resistant solution for sealing unused NPT ports in fuel systems, coolant lines, and custom plumbing applications. The blue anodized aluminum construction resists oxidation while maintaining a...
    XRP993203
    SKU:
    XRP993203
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    993203
    $3.99
    Qty in Cart: 0
    Quantity:
    Price:
    $3.99
    Subtotal:
  • 1/8in Allen Head Pipe Plug (2pk) Black XRP993202BB

    XRP 1/8in Allen Head Pipe Plug (2pk) Black XRP993202BB

    XRP-XTREME RACING PROD.

    $4.39
    Fluid system leaks start at the smallest openings—and a quality plug is your first line of defense. XRP's Allen Head Pipe Plugs deliver reliable sealing in tight spaces where standard plugs fall short, whether you're capping off unused ports on your...
    XRP993202BB
    SKU:
    XRP993202BB
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    993202BB
    $4.39
    Qty in Cart: 0
    Quantity:
    Price:
    $4.39
    Subtotal:
  • 1/8in Allen Head Pipe Plug (2pk) XRP993202

    XRP 1/8in Allen Head Pipe Plug (2pk) XRP993202

    XRP-XTREME RACING PROD.

    $3.99
    Leaks and exposed ports compromise system integrity and aesthetics in high-performance fuel and fluid systems. XRP's aluminum pipe plugs deliver a clean, reliable seal with a professional appearance that matches precision-built engines. As a critical...
    XRP993202
    SKU:
    XRP993202
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    993202
    $3.99
    Qty in Cart: 0
    Quantity:
    Price:
    $3.99
    Subtotal:
  • 1/16 Pipe Plug (Allen) (2pk) XRP993201

    XRP 1/16 Pipe Plug (Allen) (2pk) XRP993201

    XRP-XTREME RACING PROD.

    $3.99
    Whether you're running a custom fuel system, building a bespoke cooling circuit, or sealing off unused port locations, you need fittings that won't leak under pressure. XRP's 1/16" aluminum pipe plugs deliver reliable port closure with the precision fit...
    XRP993201
    SKU:
    XRP993201
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    993201
    $3.99
    Qty in Cart: 0
    Quantity:
    Price:
    $3.99
    Subtotal:
  • #16 Flare Cap  XRP992916

    XRP #16 Flare Cap XRP992916

    XRP-XTREME RACING PROD.

    $12.99
    Protect your high-pressure fluid lines from contamination and unwanted leakage with a precision-engineered flare cap designed for serious racing applications. XRP's aluminum construction and anodized finish resist corrosion while maintaining a secure...
    XRP992916
    SKU:
    XRP992916
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    MFG Part #:
    992916
    $12.99
    Qty in Cart: 0
    Quantity:
    Price:
    $12.99
    Subtotal:
  • #10 Flare Cap  XRP992910

    XRP #10 Flare Cap XRP992910

    XRP-XTREME RACING PROD.

    $7.99
    A quality flare cap is essential for protecting your fuel or fluid line connections from contamination and accidental leaks—particularly critical in high-vibration racing environments where loose fittings can compromise system integrity. The XRP #10...
    XRP992910
    SKU:
    XRP992910
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    MFG Part #:
    992910
    $7.99
    Qty in Cart: 0
    Quantity:
    Price:
    $7.99
    Subtotal:
  • #6 Flare Cap  XRP992906

    XRP #6 Flare Cap XRP992906

    XRP-XTREME RACING PROD.

    $5.89
    Properly capped AN fittings are essential to prevent fluid leakage, contamination, and system failure in high-performance fuel and coolant lines. The XRP #6 Flare Cap provides a reliable, corrosion-resistant seal that withstands pressure cycles and...
    XRP992906
    SKU:
    XRP992906
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    992906
    $5.89
    Qty in Cart: 0
    Quantity:
    Price:
    $5.89
    Subtotal:
  • #4 Flare Cap  XRP992904

    XRP #4 Flare Cap XRP992904

    XRP-XTREME RACING PROD.

    $3.99
    Protect your AN fuel and fluid lines from contamination and moisture with the XRP #4 Flare Cap. This precision-engineered aluminum cap seals your high-performance fuel system during storage, transport, or when disconnecting hoses for maintenance. The...
    XRP992904
    SKU:
    XRP992904
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    992904
    $3.99
    Qty in Cart: 0
    Quantity:
    Price:
    $3.99
    Subtotal:
  • #3 Flare Cap  XRP992903

    XRP #3 Flare Cap XRP992903

    XRP-XTREME RACING PROD.

    $3.49
    Protect your AN fittings from contamination and fluid loss with the XRP #3 Flare Cap. This aluminum cap seals unused 3 AN ports with precision engineering, ensuring your fuel, oil, or coolant lines stay clean and leak-free during assembly, storage, or...
    XRP992903
    SKU:
    XRP992903
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    992903
    $3.49
    Qty in Cart: 0
    Quantity:
    Price:
    $3.49
    Subtotal:
  • Total: items /

Adding your products to cart

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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