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
- Rear End Quick Change Fitting for Filler Tank – Aluminum, Black – Upgrade your quick change rear end setup with this fitting, designed for seamless connection to a filler tank. Made from lightweight aluminum and anodized in black, this fitting replaces the side bell inspection plug.
- Allstar Performance Plastic Plug Kit ALL50810 – AN Dust Plug 3 AN-16 AN Plastic Red Kit.
- Allstar Performance Plastic Cap Kit ALL50800 – AN Dust Cap 3 AN-16 AN Plastic Red Kit.
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
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#12 O-Ring Boss Plug A1P81412
A-1 PRODUCTS
$8.89#12 O-Ring Boss Plug A1P81412 High-quality aluminum construction for durability Designed as a fitting plug for 12 AN applications Features an O-ring for a secure, leak-proof seal Hex head design allows for easy installation and removal Stylish blue...AAA81412- SKU:
- AAA81412
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- MFG Part #:
- A1P81412
$8.89Qty in Cart: 0Quantity:Price:$8.89Subtotal: -
#10 O-Ring Boss Plug A1P81410
A-1 PRODUCTS
$7.62#10 O-Ring Boss Plug A1P81410 Durable aluminum construction for longevity Designed for a secure fit with O-ring sealing Hex head design allows for easy installation and removal Features a striking blue anodized finish for aesthetic appeal Compatible...AAA81410- SKU:
- AAA81410
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- A1P81410
$7.62 -
#6 O-Ring Boss Plug A1P81406
A-1 PRODUCTS
$5.08#6 O-Ring Boss Plug A1P81406 High-quality aluminum construction for durability Designed with a hex head for easy installation Features a reliable O-ring seal to prevent leaks Finished with a striking blue anodized coating Compatible with 6 AN fittings...AAA81406- SKU:
- AAA81406
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- A1P81406
$5.08 -
Allstar Performance Oil Pan Plug Magnetic 1/2-20 ALL87040
ALLSTAR PERFORMANCE
$10.99Drain Plug1/2-20 in Thread3/4 in Hex HeadNylon WasherMagneticSteelZinc OxideEachALL87040- SKU:
- ALL87040
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
$10.99Qty in Cart: 0Quantity:Price:$10.99Subtotal: -
XRP `-6 ORB Internal Hex Port Plug - Aluminum - Black XRPIHP006
XRP-XTREME RACING PROD.
$9.99FittingPlug6 AN Male O-RingAllen HeadBlack AnodizedEachXRPIHP006- SKU:
- XRPIHP006
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- IHP006
$9.99 -
XRP #12 Flare Cap XRP992912
XRP-XTREME RACING PROD.
$9.99FittingCap12 ANAluminumBlue AnodizedEachXRP992912- SKU:
- XRP992912
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- MFG Part #:
- 992912
$9.99 -
XRP #8 Flare Cap XRP992908
XRP-XTREME RACING PROD.
$6.79FittingCap8 ANAluminumBlue AnodizedEachXRP992908- SKU:
- XRP992908
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- 992908
$6.79 -
XRP #8 Flare Plug XRP980608
XRP-XTREME RACING PROD.
$4.69FittingPlug8 ANHex HeadAluminumRed AnodizedEachXRP980608- SKU:
- XRP980608
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- 980608
$4.69 -
NPT Hex Plug 1/2 HF-97144BLK
TRIPLE X RACE COMPONENTS
$6.49FittingPlug1/2 in NPTHex HeadAluminumBlack AnodizedEachTXRHF-97144-BLK- SKU:
- TXRHF-97144-BLK
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- MFG Part #:
- HF-97144BLK
$6.49Qty in Cart: 0Quantity:Price:$6.49Subtotal: -
NPT Allen Plug 3/8 HF-97033BLK
TRIPLE X RACE COMPONENTS
$5.09FittingPlug3/8 in NPTAllen HeadAluminumBlack AnodizedEachTXRHF-97033-BLK- SKU:
- TXRHF-97033-BLK
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- HF-97033BLK
$5.09Qty in Cart: 0Quantity:Price:$5.09Subtotal: -
NPT Allen Plug 1/4 HF-97022BLK
TRIPLE X RACE COMPONENTS
$4.99FittingPlug1/4 in NPTAllen HeadAluminumBlack AnodizedEachTXRHF-97022-BLK- SKU:
- TXRHF-97022-BLK
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- HF-97022BLK
$4.99Qty in Cart: 0Quantity:Price:$4.99Subtotal: -
NPT Allen Plug 1/8 HF-97011BLK
TRIPLE X RACE COMPONENTS
$4.99FittingPlug1/8 in NPTAllen HeadAluminumBlack AnodizedEachTXRHF-97011-BLK- SKU:
- TXRHF-97011-BLK
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- HF-97011BLK
$4.99Qty in Cart: 0Quantity:Price:$4.99Subtotal: -
NPT Allen Plug 1/16 HF-97001BLK
TRIPLE X RACE COMPONENTS
$4.99FittingPlug1/16 in NPTAllen HeadAluminumBlack AnodizedEachTXRHF-97001-BLK- SKU:
- TXRHF-97001-BLK
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MFG Part #:
- HF-97001BLK
$4.99Qty in Cart: 0Quantity:Price:$4.99Subtotal: -
#8 Plug HF-52008BLK
TRIPLE X RACE COMPONENTS
$4.99FittingPlug8 ANHex HeadAluminumBlack AnodizedEachTXRHF-52008-BLK- SKU:
- TXRHF-52008-BLK
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MFG Part #:
- HF-52008BLK
$4.99Qty in Cart: 0Quantity:Price:$4.99Subtotal: -
#6 Plug HF-52006BLK
TRIPLE X RACE COMPONENTS
$3.49FittingPlug6 ANHex HeadAluminumBlack AnodizedEachTXRHF-52006-BLK- SKU:
- TXRHF-52006-BLK
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MFG Part #:
- HF-52006BLK
$3.49Qty in Cart: 0Quantity:Price:$3.49Subtotal: -
#4 Plug HF-52004BLK
TRIPLE X RACE COMPONENTS
$3.29FittingPlug4 ANHex HeadAluminumBlack AnodizedEachTXRHF-52004-BLK- SKU:
- TXRHF-52004-BLK
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MFG Part #:
- HF-52004BLK
$3.29Qty in Cart: 0Quantity:Price:$3.29Subtotal: -
#3 Plug HF-52003BLK
TRIPLE X RACE COMPONENTS
$3.29FittingPlug3 ANHex HeadAluminumBlack AnodizedEachTXRHF-52003-BLK- SKU:
- TXRHF-52003-BLK
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MFG Part #:
- HF-52003BLK
$3.29Qty in Cart: 0Quantity:Price:$3.29Subtotal: -
#12 Cap HF-51012BLK
TRIPLE X RACE COMPONENTS
$9.19FittingCap12 ANAluminumBlack AnodizedEachTXRHF-51012-BLK- SKU:
- TXRHF-51012-BLK
- Availability:
- Ships Same Business Day
- Weight:
- 0.23 LBS
- MFG Part #:
- HF-51012BLK
$9.19Qty in Cart: 0Quantity:Price:$9.19Subtotal: -
#10 Cap HF-51010BLK
TRIPLE X RACE COMPONENTS
$7.59FittingCap10 ANAluminumBlack AnodizedEachTXRHF-51010-BLK- SKU:
- TXRHF-51010-BLK
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- MFG Part #:
- HF-51010BLK
$7.59Qty in Cart: 0Quantity:Price:$7.59Subtotal: -
#8 Cap HF-51008BLK
TRIPLE X RACE COMPONENTS
$5.39FittingCap8 ANAluminumBlack AnodizedEachTXRHF-51008-BLK- SKU:
- TXRHF-51008-BLK
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- MFG Part #:
- HF-51008BLK
$5.39Qty in Cart: 0Quantity:Price:$5.39Subtotal:
