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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
  • Steel Plugs 3/16in Inv Flare 4pk ALL50183

    Allstar Performance Steel Plugs 3/16in Inv Flare 4pk ALL50183

    ALLSTAR PERFORMANCE

    $3.99
    Steel Plugs 3/16in Inv Flare 4pkFittingPlug3/8-24 in Inverted Flare MaleHex HeadSteelCadmiumSet of 4
    ALL50183
    SKU:
    ALL50183
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    MFG Part #:
    ALL50183
    $3.99
    Qty in Cart: 0
    Quantity:
    Price:
    $3.99
    Subtotal:
  • 1/8 NPT Brass Plugs 4pk  ALL50182

    Allstar Performance 1/8 NPT Brass Plugs 4pk ALL50182

    ALLSTAR PERFORMANCE

    $4.59
    1/8 NPT Brass Plugs 4pk FittingPlug1/8 in NPTHex HeadBrassNaturalSet of 4
    ALL50182
    SKU:
    ALL50182
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    ALL50182
    $4.59
    Qty in Cart: 0
    Quantity:
    Price:
    $4.59
    Subtotal:
  • Inverted Flare Nuts 4pk 3/8 Stainless Steel ALL50143

    Allstar Performance Inverted Flare Nuts 4pk 3/8 Stainless Steel ALL50143

    ALLSTAR PERFORMANCE

    $29.99
    Inverted Flare Nuts 4pk 3/8 Stainless SteelFittingFlare Nut5/8-18 in Inverted Flare MaleStainlessNatural3/8 in HardlineSet of 4
    ALL50143
    SKU:
    ALL50143
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    MFG Part #:
    ALL50143
    $29.99
    Qty in Cart: 0
    Quantity:
    Price:
    $29.99
    Subtotal:
  • Inverted Flare Nuts 10pk 3/8 Zinc ALL50142

    Allstar Performance Inverted Flare Nuts 10pk 3/8 Zinc ALL50142

    ALLSTAR PERFORMANCE

    $5.49
    Inverted Flare Nuts 10pk 3/8 ZincFittingFlare Nut5/8-18 in Inverted Flare MaleSteelZinc Oxide3/8 in HardlineSet of 10
    ALL50142
    SKU:
    ALL50142
    Availability:
    Ships Same Business Day
    Weight:
    0.36 LBS
    MFG Part #:
    ALL50142
    $5.49
    Qty in Cart: 0
    Quantity:
    Price:
    $5.49
    Subtotal:
  • Inverted Flare Nuts 10pk 5/16 Zinc ALL50140

    Allstar Performance Inverted Flare Nuts 10pk 5/16 Zinc ALL50140

    ALLSTAR PERFORMANCE

    $5.49
    Inverted Flare Nuts 10pk 5/16 ZincFittingFlare Nut1/2-20 in Inverted Flare MaleSteelZinc Oxide5/16 in HardlineSet of 10
    ALL50140
    SKU:
    ALL50140
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    MFG Part #:
    ALL50140
    $5.49
    Qty in Cart: 0
    Quantity:
    Price:
    $5.49
    Subtotal:
  • Tee with 1/8NPT Female 2pk ALL50139

    Allstar Performance Tee with 1/8NPT Female 2pk ALL50139

    ALLSTAR PERFORMANCE

    $7.49
    Tee with 1/8NPT Female 2pkFittingAdapter Tee1/8 in NPT Female x 1/8 in NPT Female x 1/8 in NPT FemaleBrassNaturalPair
    ALL50139
    SKU:
    ALL50139
    Availability:
    Ships Same Business Day
    Weight:
    0.29 LBS
    MFG Part #:
    ALL50139
    $7.49
    Qty in Cart: 0
    Quantity:
    Price:
    $7.49
    Subtotal:
  • Gauge Fittings 1/8 NPT Tee 2pk ALL50138

    Allstar Performance Gauge Fittings 1/8 NPT Tee 2pk ALL50138

    ALLSTAR PERFORMANCE

    $6.99
    Gauge Fittings 1/8 NPT Tee 2pkFittingAdapter Tee1/8 in NPT Female x 1/8 in NPT Female x 1/8 in NPT MaleBrassNaturalPair
    ALL50138
    SKU:
    ALL50138
    Availability:
    Ships Same Business Day
    Weight:
    0.17 LBS
    MFG Part #:
    ALL50138
    $6.99
    Qty in Cart: 0
    Quantity:
    Price:
    $6.99
    Subtotal:
  • Inverted Flare Tee 3/16in w/ 1/8NPT Female ALL50137

    Allstar Performance Inverted Flare Tee 3/16in w/ 1/8NPT Female ALL50137

    ALLSTAR PERFORMANCE

    $8.99
    Inverted Flare Tee 3/16in w/ 1/8NPT FemaleFittingAdapter TeeDual 3/8-24 in Inverted Flare Female to 1/8 in NPT FemaleBrass3/16 in HardlineEach
    ALL50137
    SKU:
    ALL50137
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    MFG Part #:
    ALL50137
    $8.99
    Qty in Cart: 0
    Quantity:
    Price:
    $8.99
    Subtotal:
  • Inverted Flare Tee 3/16in 2pk ALL50136

    Allstar Performance Inverted Flare Tee 3/16in 2pk ALL50136

    ALLSTAR PERFORMANCE

    $9.99
    Inverted Flare Tee 3/16in 2pkFittingAdapter Tee3 Way 3/8-24 in Inverted Flare FemaleBrass3/16 in HardlinePair
    ALL50136
    SKU:
    ALL50136
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    MFG Part #:
    ALL50136
    $9.99
    Qty in Cart: 0
    Quantity:
    Price:
    $9.99
    Subtotal:
  • Inverted Flare Tee 3/16in w/ 1/8NPT Male ALL50135

    Allstar Performance Inverted Flare Tee 3/16in w/ 1/8NPT Male ALL50135

    ALLSTAR PERFORMANCE

    $5.99
    Inverted Flare Tee 3/16in w/ 1/8NPT MaleFittingAdapter TeeDual 3/8-24 in Inverted Flare Female to 1/8-27 in NPT MaleBrass3/16 in HardlineEach
    ALL50135
    SKU:
    ALL50135
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    MFG Part #:
    ALL50135
    $5.99
    Qty in Cart: 0
    Quantity:
    Price:
    $5.99
    Subtotal:
  • Inverted Flare Union 4pk 3/8in Line 5/8-18 ALL50133

    Allstar Performance Inverted Flare Union 4pk 3/8in Line 5/8-18 ALL50133

    ALLSTAR PERFORMANCE

    $8.99
    Inverted Flare Union 4pk 3/8in Line 5/8-18FittingAdapterStraightDual 5/8-18 in Inverted Flare FemaleBrassNaturalSet of 4
    ALL50133
    SKU:
    ALL50133
    Availability:
    Ships Same Business Day
    Weight:
    0.27 LBS
    MFG Part #:
    ALL50133
    $8.99
    Qty in Cart: 0
    Quantity:
    Price:
    $8.99
    Subtotal:
  • Inverted Flare Union 4pk 5/16in Line 1/2-20 ALL50132

    Allstar Performance Inverted Flare Union 4pk 5/16in Line 1/2-20 ALL50132

    ALLSTAR PERFORMANCE

    $6.99
    Inverted Flare Union 4pk 5/16in Line 1/2-20FittingAdapterStraightDual 1/2-20 in Inverted Flare FemaleBrassNaturalHardlineSet of 4
    ALL50132
    SKU:
    ALL50132
    Availability:
    Ships Same Business Day
    Weight:
    0.16 LBS
    MFG Part #:
    ALL50132
    $6.99
    Qty in Cart: 0
    Quantity:
    Price:
    $6.99
    Subtotal:
  • Inverted Flare Union 4pk 1/4in Line 7/16-24 ALL50131

    Allstar Performance Inverted Flare Union 4pk 1/4in Line 7/16-24 ALL50131

    ALLSTAR PERFORMANCE

    $5.99
    Inverted Flare Union 4pk 1/4in Line 7/16-24FittingAdapterStraightDual 7/16-20 in Inverted Flare FemaleBrassNaturalHardlineSet of 4
    ALL50131
    SKU:
    ALL50131
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    MFG Part #:
    ALL50131
    $5.99
    Qty in Cart: 0
    Quantity:
    Price:
    $5.99
    Subtotal:
  • Inverted Flare Union 3/16in Line 3/8-24 4pk ALL50130

    Allstar Performance Inverted Flare Union 3/16in Line 3/8-24 4pk ALL50130

    ALLSTAR PERFORMANCE

    $5.99
    Inverted Flare Union 3/16in Line 3/8-24 4pkFittingAdapterStraightDual 3/8-24 in Inverted Flare FemaleBrassNatural3/16 in HardlineSet of 4
    ALL50130
    SKU:
    ALL50130
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    MFG Part #:
    ALL50130
    $5.99
    Qty in Cart: 0
    Quantity:
    Price:
    $5.99
    Subtotal:
  • Adapter Fittings 1/4 NPT to 5/16 2pk ALL50129

    Allstar Performance Adapter Fittings 1/4 NPT to 5/16 2pk ALL50129

    ALLSTAR PERFORMANCE

    $4.99
    Adapter Fittings 1/4 NPT to 5/16 2pkFittingAdapterStraight1/4 in NPT Male to 5/16-24 in Inverted Flare FemaleBrassNaturalHardlinePair
    ALL50129
    SKU:
    ALL50129
    Availability:
    Ships Same Business Day
    Weight:
    0.24 LBS
    MFG Part #:
    ALL50129
    $4.99
    Qty in Cart: 0
    Quantity:
    Price:
    $4.99
    Subtotal:
  • Adapter Ftg Fem 1/8NPT to Female 3/16inv 4pk ALL50127

    Allstar Performance Adapter Ftg Fem 1/8NPT to Female 3/16inv 4pk ALL50127

    ALLSTAR PERFORMANCE

    $10.99
    Adapter Ftg Fem 1/8NPT to Female 3/16inv 4pkFittingAdapterStraight1/8 in NPT Female to 3/8-24 in Inverted Flare FemaleBrassNatural3/16 in HardlineSet of 4
    ALL50127
    SKU:
    ALL50127
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    MFG Part #:
    ALL50127
    $10.99
    Qty in Cart: 0
    Quantity:
    Price:
    $10.99
    Subtotal:
  • Adapter Fittings 1/8 NPT to 3/16 90 Deg 4pk ALL50125

    Allstar Performance Adapter Fittings 1/8 NPT to 3/16 90 Deg 4pk ALL50125

    ALLSTAR PERFORMANCE

    $7.99
    Adapter Fittings 1/8 NPT to 3/16 90 Deg 4pkFittingAdapter90 Degree1/8 in NPT Male to 3/8-24 in Inverted Flare FemaleBrassNatural3/16 in HardlineSet of 4
    ALL50125
    SKU:
    ALL50125
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    MFG Part #:
    ALL50125
    $7.99
    Qty in Cart: 0
    Quantity:
    Price:
    $7.99
    Subtotal:
  • Adapter Fittings 1/8 NPT to 1/4 Line 4pk ALL50121

    Allstar Performance Adapter Fittings 1/8 NPT to 1/4 Line 4pk ALL50121

    ALLSTAR PERFORMANCE

    $6.99
    Adapter Fittings 1/8 NPT to 1/4 Line 4pkFittingAdapterStraight1/8 in NPT Male to 7/16-20 in Inverted Flare FemaleBrassNaturalHardlineSet of 4
    ALL50121
    SKU:
    ALL50121
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    MFG Part #:
    ALL50121
    $6.99
    Qty in Cart: 0
    Quantity:
    Price:
    $6.99
    Subtotal:
  • Adapter Fittings 1/8 NPT to 3/16 4pk ALL50120

    Allstar Performance Adapter Fittings 1/8 NPT to 3/16 4pk ALL50120

    ALLSTAR PERFORMANCE

    $6.69
    Adapter Fittings 1/8 NPT to 3/16 4pkFittingAdapterStraight1/8 in NPT Male to 3/8-24 in Inverted Flare FemaleBrassNatural3/16 in HardlineSet of 4
    ALL50120
    SKU:
    ALL50120
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    ALL50120
    $6.69
    Qty in Cart: 0
    Quantity:
    Price:
    $6.69
    Subtotal:
  • Inverted Flare Nuts for 1/4in w/ 9/16-18 Blue ALL50119

    Allstar Performance Inverted Flare Nuts for 1/4in w/ 9/16-18 Blue ALL50119

    ALLSTAR PERFORMANCE

    $3.79
    Inverted Flare Nuts for 1/4in w/ 9/16-18 BlueFittingFlare Nut9/16-18 in Inverted Flare MaleSteelBlue Zinc1/4 in HardlinePair
    ALL50119
    SKU:
    ALL50119
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    MFG Part #:
    ALL50119
    Qty in Cart: 0
    Quantity:
    Price:
    $3.79
    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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