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Cap and Plug Fittings

Cap and Plug Fittings

Cap and Plug Fittings

Circle Track Cap and Plug Fittings at JJ Motorsports

Cap and plug fittings are essential when sealing lines or unused ports to prevent leaks and maintain pressure. These durable plugs safeguard your fluid systems during storage or between races. Integrate them with other high-quality fluid line components for a dependable racing setup.

Shop trusted brands like Allstar Performance for plastic kits and Fragola for high-flow options. Explore related categories such as Circle Track Fittings and Plugs for complete fluid system solutions or Circle Track Hoses for matching lines.

Top Circle Track Cap and Plug Fittings

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
  • #16 Flare Cap  FRG492916

    Fragola #16 Flare Cap 492916

    FRAGOLA

    $11.99
    #16 Flare Cap FittingCap16 ANAluminumBlue AnodizedEach
    FRG492916
    SKU:
    FRG492916
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    MFG Part #:
    492916
    $11.99
    Qty in Cart: 0
    Quantity:
    Price:
    $11.99
    Subtotal:
  • #12 Flare Cap Black  FRG492912-BL

    Fragola #12 Flare Cap Black 492912-BL

    FRAGOLA

    $9.99
    #12 Flare Cap Black FittingCap12 ANAluminumBlack AnodizedEach
    FRG492912-BL
    SKU:
    FRG492912-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    492912-BL
    Qty in Cart: 0
    Quantity:
    Price:
    $9.99
    Subtotal:
  • #12 Flare Cap  FRG492912

    Fragola #12 Flare Cap 492912

    FRAGOLA

    $9.49
    #12 Flare Cap FittingCap12 ANAluminumBlue AnodizedEach
    FRG492912
    SKU:
    FRG492912
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    MFG Part #:
    492912
    $9.49
    Qty in Cart: 0
    Quantity:
    Price:
    $9.49
    Subtotal:
  • #10 Flare Cap Black  FRG492910-BL

    Fragola #10 Flare Cap Black 492910-BL

    FRAGOLA

    $8.49
    #10 Flare Cap Black FittingCap10 ANAluminumBlack AnodizedEach
    FRG492910-BL
    SKU:
    FRG492910-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    MFG Part #:
    492910-BL
    $8.49
    Qty in Cart: 0
    Quantity:
    Price:
    $8.49
    Subtotal:
  • #10 Flare Cap  FRG492910

    Fragola #10 Flare Cap 492910

    FRAGOLA

    $11.99
    #10 Flare Cap FittingCap10 ANAluminumBlue AnodizedEach
    FRG492910
    SKU:
    FRG492910
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    MFG Part #:
    492910
    $11.99
    Qty in Cart: 0
    Quantity:
    Price:
    $11.99
    Subtotal:
  • #8 Flare Cap Black  FRG492908-BL

    Fragola #8 Flare Cap Black 492908-BL

    FRAGOLA

    $5.99
    #8 Flare Cap Black FittingCap8 ANAluminumBlack AnodizedEach
    FRG492908-BL
    SKU:
    FRG492908-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    MFG Part #:
    492908-BL
    $5.99
    Qty in Cart: 0
    Quantity:
    Price:
    $5.99
    Subtotal:
  • #8 Flare Cap  FRG492908

    Fragola #8 Flare Cap 492908

    FRAGOLA

    $6.49
    #8 Flare Cap FittingCap8 ANAluminumBlue AnodizedEach
    FRG492908
    SKU:
    FRG492908
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    492908
    $6.49
    Qty in Cart: 0
    Quantity:
    Price:
    $6.49
    Subtotal:
  • #6 Flare Cap Black  FRG492906-BL

    Fragola #6 Flare Cap Black 492906-BL

    FRAGOLA

    $3.49
    #6 Flare Cap Black FittingCap6 ANAluminumBlack AnodizedEach
    FRG492906-BL
    SKU:
    FRG492906-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    492906-BL
    $3.49
    Qty in Cart: 0
    Quantity:
    Price:
    $3.49
    Subtotal:
  • #6 Flare Cap  FRG492906

    Fragola #6 Flare Cap 492906

    FRAGOLA

    $3.19
    #6 Flare Cap FittingCap6 ANAluminumBlue AnodizedEach
    FRG492906
    SKU:
    FRG492906
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    492906
    $3.19
    Qty in Cart: 0
    Quantity:
    Price:
    $3.19
    Subtotal:
  • #4 Flare Cap Black  FRG492904-BL

    Fragola #4 Flare Cap Black 492904-BL

    FRAGOLA

    $3.49
    #4 Flare Cap Black FittingCap4 ANAluminumBlack AnodizedEach
    FRG492904-BL
    SKU:
    FRG492904-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    MFG Part #:
    492904-BL
    $3.49
    Qty in Cart: 0
    Quantity:
    Price:
    $3.49
    Subtotal:
  • #3 Flare Cap Black  FRG492903-BL

    Fragola #3 Flare Cap Black 492903-BL

    FRAGOLA

    $3.99
    #3 Flare Cap Black FittingCap3 ANAluminumBlack AnodizedEach
    FRG492903-BL
    SKU:
    FRG492903-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    MFG Part #:
    492903-BL
    $3.99
    Qty in Cart: 0
    Quantity:
    Price:
    $3.99
    Subtotal:
  • Inlet Plug 7/8-20 Blank Black FRG491980-BL

    Fragola Inlet Plug 7/8-20 Blank Black 491980-BL

    FRAGOLA

    $11.99
    Inlet Plug 7/8-20 Blank BlackFittingPlug7/8-20 inHex HeadAluminumBlack AnodizedEach
    FRG491980-BL
    SKU:
    FRG491980-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    491980-BL
    $11.99
    Qty in Cart: 0
    Quantity:
    Price:
    $11.99
    Subtotal:
  • #8 Port Plug 3/4-16 Black w/ 1/8 FPT Port FRG481428-BL

    Fragola #8 Port Plug 3/4-16 Black w/ 1/8 FPT Port 481428-BL

    FRAGOLA

    $9.49
    #8 Port Plug 3/4-16 Black w/ 1/8 FPT PortFittingBushing8 AN Male to 1/8 in NPT FemaleAluminumBlack AnodizedEach
    FRG481428-BL
    SKU:
    FRG481428-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    MFG Part #:
    481428-BL
    $9.49
    Qty in Cart: 0
    Quantity:
    Price:
    $9.49
    Subtotal:
  • #16 Port Plug 1-5/16-12 Black FRG481416-BL

    Fragola #16 Port Plug 1-5/16-12 Black 481416-BL

    FRAGOLA

    $11.99
    #16 Port Plug 1-5/16-12 BlackFittingPlug16 ANO-Ring IncludedHex HeadAluminumBlack AnodizedEach
    FRG481416-BL
    SKU:
    FRG481416-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    MFG Part #:
    481416-BL
    $11.99
    Qty in Cart: 0
    Quantity:
    Price:
    $11.99
    Subtotal:
  • #12 Port Plug 1-1/16-12 Black FRG481412-BL

    Fragola #12 Port Plug 1-1/16-12 Black 481412-BL

    FRAGOLA

    $10.99
    #12 Port Plug 1-1/16-12 BlackFittingPlug12 ANO-RingHex HeadAluminumBlack AnodizedEach
    FRG481412-BL
    SKU:
    FRG481412-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    MFG Part #:
    481412-BL
    $10.99
    Qty in Cart: 0
    Quantity:
    Price:
    $10.99
    Subtotal:
  • #10 Port Plug 7/8-14 Black FRG481410-BL

    Fragola #10 Port Plug 7/8-14 Black 481410-BL

    FRAGOLA

    $7.49
    #10 Port Plug 7/8-14 BlackFittingPlug10 ANO-RingHex HeadAluminumBlack AnodizedEach
    FRG481410-BL
    SKU:
    FRG481410-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    MFG Part #:
    481410-BL
    $7.49
    Qty in Cart: 0
    Quantity:
    Price:
    $7.49
    Subtotal:
  • #10 Port Plug 7/8-14  FRG481410

    Fragola #10 Port Plug 7/8-14 481410

    FRAGOLA

    $5.99
    #10 Port Plug 7/8-14 FittingPlug10 AN Male O-RingHex HeadAluminumBlue AnodizedEach
    FRG481410
    SKU:
    FRG481410
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    481410
    $5.99
    Qty in Cart: 0
    Quantity:
    Price:
    $5.99
    Subtotal:
  • #8 Port Plug 3/4-16 Black FRG481408-BL

    Fragola #8 Port Plug 3/4-16 Black 481408-BL

    FRAGOLA

    $5.49
    #8 Port Plug 3/4-16 BlackFittingPlug8 ANO-RingHex HeadAluminumBlack AnodizedEach
    FRG481408-BL
    SKU:
    FRG481408-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    481408-BL
    $5.49
    Qty in Cart: 0
    Quantity:
    Price:
    $5.49
    Subtotal:
  • #8 Port Plug 3/4-16  FRG481408

    Fragola #8 Port Plug 3/4-16 481408

    FRAGOLA

    $5.49
    #8 Port Plug 3/4-16 FittingPlug8 AN Male O-RingHex HeadAluminumBlue AnodizedEach
    FRG481408
    SKU:
    FRG481408
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    481408
    $5.49
    Qty in Cart: 0
    Quantity:
    Price:
    $5.49
    Subtotal:
  • #6 Port Plug 9/16-18 Black FRG481406-BL

    Fragola #6 Port Plug 9/16-18 Black 481406-BL

    FRAGOLA

    $3.99
    #6 Port Plug 9/16-18 BlackFittingPlug6 ANO-RingHex HeadAluminumBlack AnodizedEach
    FRG481406-BL
    SKU:
    FRG481406-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    481406-BL
    $3.99
    Qty in Cart: 0
    Quantity:
    Price:
    $3.99
    Subtotal:
  • Total: items /

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