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Carburetors and Components

Carburetors and Components

Carburetors and Components

Circle Track Carburetors and Components at JJ Motorsports

Optimize your circle track race car's fuel delivery with premium carburetors and components from JJ Motorsports, featuring high-flow Holley Track Warrior carbs, jet assortments, and fuel logs for precise tuning and maximum performance in high-RPM racing conditions. These high-quality parts ensure consistent fuel metering, better throttle response, and reliable operation for dirt track, oval, and stock car setups, helping you achieve podium finishes and edge out the competition.

Shop top brands like Holley and Allstar Performance for race-proven reliability. Explore related categories such as Circle Track Air Cleaners & Intakes, Circle Track Air & Fuel, or Circle Track Racing for intakes, fuel pumps, and regulators to complete your carburetion setup and dominate the track with total confidence across all race conditions, from short ovals to high-bank superspeedways.

Top Circle Track Carburetors and Components

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
  • Carb Rebuid Kit - 2300 Ultra XP HLY37-1550

    Holley Carb Rebuid Kit - 2300 Ultra XP 37-1550

    HOLLEY

    $54.05
    Your Holley 2300 Ultra XP carb demands precision fuel delivery to maintain peak performance, and worn seals and gaskets are silent performance killers. This OEM-spec rebuild kit restores your carburetor to factory tolerances, eliminating lean stumbles,...
    HLY37-1550
    SKU:
    HLY37-1550
    Availability:
    Ships Same Business Day
    Weight:
    0.66 LBS
    $54.05
    Qty in Cart: 0
    Quantity:
    Price:
    $54.05
    Subtotal:
  • Main Jets (2)  HLY122-84

    Holley Main Jets (2) 122-84

    HOLLEY

    $13.22
    Precise fuel metering is the foundation of carburetor tuning, and the right jet size makes the difference between a lean stumble and a dialed-in power curve. These Holley main jets deliver consistent fuel flow for optimal air-fuel ratio across your...
    HLY122-84
    SKU:
    HLY122-84
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    $13.22
    Qty in Cart: 0
    Quantity:
    Price:
    $13.22
    Subtotal:
  • Accelerator Discharge Nozzle - Hollow HLY121-7

    Holley Accelerator Discharge Nozzle - Hollow 121-7

    HOLLEY

    $18.09
    The accelerator discharge nozzle is a critical component in your Holley carburetor's fuel delivery system, directly affecting throttle response and off-idle performance. A worn or incorrectly sized nozzle compromises your engine's transition from idle to...
    HLY121-7
    SKU:
    HLY121-7
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    $18.09
    Qty in Cart: 0
    Quantity:
    Price:
    $18.09
    Subtotal:
  • Phenolic Carb Spacer 1in 4150 Flange DRT62100002

    Dart Phenolic Carb Spacer 1in 4150 Flange 62100002

    DART

    $70.81
    A phenolic carb spacer creates critical thermal isolation between your carburetor and intake manifold, reducing fuel vaporization and improving throttle response across the RPM range. The 1-inch thickness on this Dart unit strikes the optimal balance...
    DRT62100002
    SKU:
    DRT62100002
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    $70.81
    Qty in Cart: 0
    Quantity:
    Price:
    $70.81
    Subtotal:
  • Full Throttle Inserts Non-Restricting ALL26190

    Allstar Performance Full Throttle Inserts Non-Restricting ALL26190

    ALLSTAR PERFORMANCE

    $38.99
    If you're running a restrictor plate setup, airflow management is critical to maintaining consistent performance across heat cycles and race conditions. These Allstar Full Throttle Inserts give you precise control over intake restriction without...
    ALL26190
    SKU:
    ALL26190
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    $38.99
    Qty in Cart: 0
    Quantity:
    Price:
    $38.99
    Subtotal:
  • Hly Fuel Line Kit #8 Male Inlet XRP731008

    XRP Hly Fuel Line Kit #8 Male Inlet XRP731008

    XRP-XTREME RACING PROD.

    $136.99
    Fuel delivery consistency is non-negotiable in high-performance carburetor applications, and the XRP Hly Fuel Line Kit eliminates guesswork with purpose-built construction for Holley 4150 carburetors. Braided stainless steel hose resists heat degradation...
    XRP731008
    SKU:
    XRP731008
    Availability:
    Ships Same Business Day
    Weight:
    0.69 LBS
    MFG Part #:
    731008
    $136.99
    Qty in Cart: 0
    Quantity:
    Price:
    $136.99
    Subtotal:
  • Hly Fuel Line Kit #6 Male Inlet XRP731006

    XRP Hly Fuel Line Kit #6 Male Inlet XRP731006

    XRP-XTREME RACING PROD.

    $113.99
    If you're running a carbureted engine with a Holley 4150, fuel delivery consistency directly impacts throttle response and overall performance. This XRP fuel line kit eliminates the guesswork with pre-assembled, properly-sized lines that reduce pressure...
    XRP731006
    SKU:
    XRP731006
    Availability:
    Ships Same Business Day
    Weight:
    0.56 LBS
    MFG Part #:
    731006
    $113.99
    Qty in Cart: 0
    Quantity:
    Price:
    $113.99
    Subtotal:
  • Carb. Adapter - 2300 to 4150 - L/W Tapered WLS044330

    Carb. Adapter - 2300 to 4150 - L/W Tapered WLS044330

    WILSON MANIFOLDS

    $270.00
    If you're adapting a Holley 2-barrel carb to a square-bore intake manifold, this adapter delivers a secure, lightweight solution without compromising fuel delivery or air flow. The tapered design ensures proper seating and consistent performance across...
    WLS044330
    SKU:
    WLS044330
    Availability:
    Ships Same Business Day
    Weight:
    1.68 LBS
    MFG Part #:
    44330
    $270.00
    Qty in Cart: 0
    Quantity:
    Price:
    $270.00
    Subtotal:
  • Carb. Adapter - 2300 to 4150 - L/W Tapered WLS044111

    Carb. Adapter - 2300 to 4150 - L/W Tapered WLS044111

    WILSON MANIFOLDS

    $192.00
    If you're stepping up from a 2300-series Holley carburetor to a square-bore 4150 setup, this adapter is your direct path to compatibility without sourcing custom fabrication. The tapered lightweight design minimizes induction heat while maintaining the...
    WLS044111
    SKU:
    WLS044111
    Availability:
    Ships Same Business Day
    Weight:
    1.77 LBS
    MFG Part #:
    44111
    $192.00
    Qty in Cart: 0
    Quantity:
    Price:
    $192.00
    Subtotal:
  • Carburetor Spacer - 4150 1in 4-Hole L/W Tapered WLS014210

    Carburetor Spacer - 4150 1in 4-Hole L/W Tapered WLS014210

    WILSON MANIFOLDS

    $250.80
    Carburetor spacers optimize air velocity and fuel atomization by increasing the distance between your carb and intake manifold—critical for maximizing horsepower and throttle response on high-performance engines. This lightweight aluminum spacer reduces...
    WLS014210
    SKU:
    WLS014210
    Availability:
    Ships Same Business Day
    Weight:
    1.08 LBS
    MFG Part #:
    14210
    $250.80
    Qty in Cart: 0
    Quantity:
    Price:
    $250.80
    Subtotal:
  • Carburetor Spacer - 4150 2in 4-Hole L/W Tapered WLS004150

    Carburetor Spacer - 4150 2in 4-Hole L/W Tapered WLS004150

    WILSON MANIFOLDS

    $276.00
    A carburetor spacer is essential for optimizing manifold heat dynamics and improving fuel atomization in carbureted engines. This 2-inch tapered design provides a thermal barrier that keeps incoming charge temperatures consistent, directly improving...
    WLS004150
    SKU:
    WLS004150
    Availability:
    Ships Same Business Day
    Weight:
    1.27 LBS
    MFG Part #:
    4150
    $276.00
    Qty in Cart: 0
    Quantity:
    Price:
    $276.00
    Subtotal:
  • Carburetor Spacer - 4150 1.5in 4-Hole L/W Tapered WLS004130

    Carburetor Spacer - 4150 1.5in 4-Hole L/W Tapered WLS004130

    WILSON MANIFOLDS

    $250.80
    A carburetor spacer is essential for optimizing airflow, improving throttle response, and enhancing fuel atomization in your engine bay. This tapered, lightweight design reduces heat transfer from the intake manifold while maintaining precise carburetor...
    WLS004130
    SKU:
    WLS004130
    Availability:
    Ships Same Business Day
    Weight:
    1.06 LBS
    MFG Part #:
    4130
    $250.80
    Qty in Cart: 0
    Quantity:
    Price:
    $250.80
    Subtotal:
  • Carburetor Spacer - 4150 1in 4-Hole L/W Tapered WLS004110

    Carburetor Spacer - 4150 1in 4-Hole L/W Tapered WLS004110

    WILSON MANIFOLDS

    $216.00
    A carburetor spacer is one of the most cost-effective upgrades for unlocking hidden performance in your engine. By optimizing air/fuel distribution and flow velocity through the carburetor, this spacer improves throttle response, part-throttle...
    WLS004110
    SKU:
    WLS004110
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    MFG Part #:
    4110
    $216.00
    Qty in Cart: 0
    Quantity:
    Price:
    $216.00
    Subtotal:
  • Angled Carb Spacer 4150 2in 4-Hole Tapered WLS003150

    Angled Carb Spacer 4150 2in 4-Hole Tapered WLS003150

    WILSON MANIFOLDS

    $336.00
    An angled carburetor spacer is essential for optimizing fuel distribution and air velocity through your intake manifold, particularly in forced induction or high-rpm applications where atomization directly impacts combustion efficiency. This 2-inch...
    WLS003150
    SKU:
    WLS003150
    Availability:
    Ships Same Business Day
    Weight:
    1.31 LBS
    MFG Part #:
    3150
    $336.00
    Qty in Cart: 0
    Quantity:
    Price:
    $336.00
    Subtotal:
  • Carburetor Spacer - 4150 2in Open L/W WLS000050

    Carburetor Spacer - 4150 2in Open L/W WLS000050

    WILSON MANIFOLDS

    $198.00
    A carburetor spacer is a critical component for optimizing fuel delivery and manifold temperature control on carbureted engines. This lightweight 4150 spacer reduces heat transfer from the intake manifold to the carburetor, improving fuel atomization and...
    WLS000050
    SKU:
    WLS000050
    Availability:
    Ships Same Business Day
    Weight:
    0.99 LBS
    MFG Part #:
    50
    $198.00
    Qty in Cart: 0
    Quantity:
    Price:
    $198.00
    Subtotal:
  • Carburetor Spacer - 4150 1.5in Open L/W WLS000030

    Carburetor Spacer - 4150 1.5in Open L/W WLS000030

    WILSON MANIFOLDS

    $168.00
    A carburetor spacer bridges the gap between your intake manifold and carb, improving fuel atomization and air distribution across all cylinders. The 1.5-inch thickness provides optimal runner length tuning for better throttle response and mid-range...
    WLS000030
    SKU:
    WLS000030
    Availability:
    Ships Same Business Day
    Weight:
    1.15 LBS
    MFG Part #:
    30
    $168.00
    Qty in Cart: 0
    Quantity:
    Price:
    $168.00
    Subtotal:
  • Carb Adapter Plate  WEI9006

    Weiand Carb Adapter Plate WEI9006

    WEIAND

    $39.61
    If you're running a square-bore carburetor on an engine designed for spread-bore intake manifolds, this adapter plate is essential for proper fitment and fuel delivery. The Weiand 9006 converts your carb mounting interface without compromising airflow or...
    WEI9006
    SKU:
    WEI9006
    Availability:
    Ships Same Business Day
    Weight:
    0.38 LBS
    MFG Part #:
    9006
    $39.61
    Qty in Cart: 0
    Quantity:
    Price:
    $39.61
    Subtotal:
  • On Sale
    Carb Insert 2in Tall 1.450in Diameter WEHWM302-1.450

    Wehrs Carb Insert 2in Tall 1.450in Diameter WEHWM302-1.450

    WEHRS MACHINE

    MSRP: $85.99
    Now: $84.00
    Was: $85.99
    When competition demands precision fuel delivery and consistent carburetor performance, a properly sized restrictor plate insert is non-negotiable. The Wehrs Carb Insert provides exact bore control to regulate fuel and air mixture, ensuring repeatable...
    WEHWM302-1.450
    SKU:
    WEHWM302-1.450
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    MFG Part #:
    WM302-1.450
    MSRP: $85.99
    Now: $84.00
    Was: $85.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $85.99
    Now: $84.00
    Was: $85.99
    Subtotal:
  • On Sale
    Carb Insert 2in Tall 1.400in Diameter WEHWM302-1.400

    Wehrs Carb Insert 2in Tall 1.400in Diameter WEHWM302-1.400

    WEHRS MACHINE

    MSRP: $85.99
    Now: $84.00
    Was: $85.99
    Fuel restriction rules require precision, and the Wehrs Carb Insert delivers exactly that. This CNC-machined aluminum spacer maintains consistent bore diameter across sanctioned racing classes, eliminating guesswork and ensuring your carburetor stays...
    WEHWM302-1.400
    SKU:
    WEHWM302-1.400
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    MFG Part #:
    WM302-1.400
    MSRP: $85.99
    Now: $84.00
    Was: $85.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $85.99
    Now: $84.00
    Was: $85.99
    Subtotal:
  • On Sale
    Carb Insert 2in Tall 1.350in Diameter WEHWM302-1.350

    Wehrs Carb Insert 2in Tall 1.350in Diameter WEHWM302-1.350

    WEHRS MACHINE

    MSRP: $85.99
    Now: $84.00
    Was: $85.99
    Precise intake restriction is critical for classes requiring carburetor spacer systems, and the Wehrs Carb Insert delivers the exact bore diameter and height needed for consistent, rule-compliant performance. This aluminum restrictor plate insert...
    WEHWM302-1.350
    SKU:
    WEHWM302-1.350
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    MFG Part #:
    WM302-1.350
    MSRP: $85.99
    Now: $84.00
    Was: $85.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $85.99
    Now: $84.00
    Was: $85.99
    Subtotal:
  • Total: items /

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Race Car Carburetors and Replacement Parts
 Optimize your race car's performance with our premium selection of carburetors and replacement parts. Our comprehensive range includes racing carbs, 4-barrel carb rebuild kits, 2-barrel carb rebuild kits, racing carburetor adapters, race car carb spacers, performance carburetor jets, and carburetor dust covers. Each component is designed to deliver unmatched efficiency, power, and durability in the most demanding racing environments.

 

 Racing Carbs

Our high-performance racing carbs are engineered to provide maximum airflow and fuel delivery, ensuring optimal engine performance. These carburetors are perfect for race cars seeking improved throttle response, horsepower, and overall efficiency on the track.

 

 4-barrel Carb Rebuild Kits

Extend the life of your 4-barrel carburetor with our comprehensive rebuild kits. These kits include all the necessary components to restore your carburetor to its peak condition, ensuring it operates smoothly and efficiently. Ideal for maintaining top-tier performance in high-demand racing conditions.

 

 2-barrel Carb Rebuild Kits

Our 2-barrel carb rebuild kits offer a complete solution for refurbishing 2-barrel carburetors. Each kit contains precision-engineered parts that ensure a perfect fit and reliable performance, helping you maintain your race car's competitive edge.

 

 Racing Carburetor Adapters

Enhance the compatibility and performance of your carburetor with our racing carburetor adapters. These adapters allow for seamless integration of different carburetor types, optimizing airflow and fuel mixture for better engine performance.

 

 Race Car Carb Spacers

Improve your engine's power output with our race car carb spacers. These spacers enhance airflow dynamics within the intake manifold, resulting in increased horsepower and torque. Designed for durability and high performance, they are an essential upgrade for serious racers.

 

 Performance Carburetor Jets

Fine-tune your fuel delivery system with our performance carburetor jets. These jets allow for precise adjustments, ensuring your engine receives the optimal air-fuel mixture for maximum power and efficiency. Perfect for customizing your carburetor setup to meet specific racing requirements.

 

 Carburetor Dust Covers

Protect your carburetor from dust, debris, and environmental contaminants with our durable carburetor dust covers. These covers are essential for maintaining the cleanliness and performance of your carburetor, especially in off-road and dusty racing conditions.

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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