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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
  • 1in Street Sweep Carb. Spacer - Alum - 4150 HVHST4150-4AL

    1in Street Sweep Carb. Spacer - Alum - 4150 ST4150-4AL

    HIGH VELOCITY HEADS

    $143.99
    A carburetor spacer is essential for optimizing manifold-to-carb airflow dynamics and improving overall engine response. This 1-inch Street Sweep aluminum spacer is precision-engineered to work with popular high-performance manifolds, giving you the...
    HVHST4150-4AL
    SKU:
    HVHST4150-4AL
    Availability:
    Ships Same Business Day
    Weight:
    2.06 LBS
    MFG Part #:
    ST4150-4AL
    $143.99
    Qty in Cart: 0
    Quantity:
    Price:
    $143.99
    Subtotal:
  • 1in. Super Sucker Alm. Carb. Spacer - 2BBL. HVHSS4412-2AL

    1in. Super Sucker Alm. Carb. Spacer - 2BBL. SS4412-2AL

    HIGH VELOCITY HEADS

    $159.99
    The 1in. Super Sucker Aluminum Carburetor Spacer increases manifold volume and improves air velocity, delivering better fuel atomization and more consistent throttle response across your RPM range. By creating optimal spacing between your carburetor and...
    HVHSS4412-2AL
    SKU:
    HVHSS4412-2AL
    Availability:
    Ships Same Business Day
    Weight:
    2.77 LBS
    MFG Part #:
    SS4412-2AL
    $159.99
    Qty in Cart: 0
    Quantity:
    Price:
    $159.99
    Subtotal:
  • 1in. Super Sucker Alm. Carb. Spacer - 2BBL. HVHSS4412-1SWAL

    1in. Super Sucker Alm. Carb. Spacer - 2BBL. SS4412-1 SWAL

    HIGH VELOCITY HEADS

    $148.99
    A carburetor spacer does more than fill the gap between your carb and intake manifold—it fundamentally improves fuel atomization, increases plenum volume, and enhances low-end throttle response. The Super Sucker's 1-inch thickness and sideways mount...
    HVHSS4412-1SWAL
    SKU:
    HVHSS4412-1SWAL
    Availability:
    Ships Same Business Day
    Weight:
    2.08 LBS
    MFG Part #:
    SS4412-1 SWAL
    $148.99
    Qty in Cart: 0
    Quantity:
    Price:
    $148.99
    Subtotal:
  • .650 Super Sucker Alm. Carb Spacer - 4150 HVHSS4150-604AL

    .650 Super Sucker Alm. Carb Spacer - 4150 SS4150-604AL

    HIGH VELOCITY HEADS

    $161.99
    A carburetor spacer is essential for optimizing fuel atomization and air velocity through your intake manifold, directly impacting throttle response and low-end torque. The .650" thickness of this Super Sucker design strikes the ideal balance between...
    HVHSS4150-604AL
    SKU:
    HVHSS4150-604AL
    Availability:
    Ships Same Business Day
    Weight:
    1.60 LBS
    MFG Part #:
    SS4150-604AL
    $161.99
    Qty in Cart: 0
    Quantity:
    Price:
    $161.99
    Subtotal:
  • 2in. Super Sucker L/W Alm. Carb. Spacer - 4150 HVHSS4150-2ALW

    2in. Super Sucker L/W Alm. Carb. Spacer - 4150 SS4150-2ALW

    HIGH VELOCITY HEADS

    $194.99
    A quality carburetor spacer is essential for optimizing fuel atomization and improving throttle response in your racing engine. The 2in. Super Sucker design increases air velocity through the carburetor, delivering measurable gains in performance while...
    HVHSS4150-2ALW
    SKU:
    HVHSS4150-2ALW
    Availability:
    Ships Same Business Day
    Weight:
    1.69 LBS
    MFG Part #:
    SS4150-2ALW
    $194.99
    Qty in Cart: 0
    Quantity:
    Price:
    $194.99
    Subtotal:
  • 2in. Super Sucker Alm. Carb. Spacer - 4150 HVHSS4150-2AL

    2in. Super Sucker Alm. Carb. Spacer - 4150 SS4150-2AL

    HIGH VELOCITY HEADS

    $155.99
    The 2in. Super Sucker Aluminum Carburetor Spacer increases the volume between your carb and intake manifold, improving fuel atomization and enhancing low-to-mid-range torque delivery. Built from lightweight aluminum and machined to precision tolerances,...
    HVHSS4150-2AL
    SKU:
    HVHSS4150-2AL
    Availability:
    Ships Same Business Day
    Weight:
    3.77 LBS
    MFG Part #:
    SS4150-2AL
    $155.99
    Qty in Cart: 0
    Quantity:
    Price:
    $155.99
    Subtotal:
  • 1in. Super Sucker L/W Alm. Carb. Spacer - 4150 HVHSS4150-1ALW

    1in. Super Sucker L/W Alm. Carb. Spacer - 4150 SS4150-1ALW

    HIGH VELOCITY HEADS

    $159.99
    A carburetor spacer optimizes the air-fuel mixture distribution by increasing the distance between your carb and intake manifold, improving atomization and combustion efficiency. The Super Sucker design enhances low-end torque and throttle response while...
    HVHSS4150-1ALW
    SKU:
    HVHSS4150-1ALW
    Availability:
    Ships Same Business Day
    Weight:
    1.29 LBS
    MFG Part #:
    SS4150-1ALW
    $159.99
    Qty in Cart: 0
    Quantity:
    Price:
    $159.99
    Subtotal:
  • .150in Needle & Seat Assembly HLY6-521

    Holley .150in Needle & Seat Assembly 6-521

    HOLLEY

    $51.95
    A precision needle and seat assembly is critical for consistent fuel metering in Holley carburetors—any wear or contamination directly impacts your air-fuel ratio and engine performance. This .150in titanium assembly delivers adjustability and...
    HLY6-521
    SKU:
    HLY6-521
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    6-521
    $51.95
    Qty in Cart: 0
    Quantity:
    Price:
    $51.95
    Subtotal:
  • Needle & Seat  HLY6-519-2

    Holley Needle & Seat 6-519-2

    HOLLEY

    $67.79
    Fuel delivery precision is the foundation of carburetor performance, and a worn or mismatched needle and seat directly undermines your tuning efforts and engine response. The Holley Needle & Seat 6-519-2 ensures consistent fuel metering across the full...
    HLY6-519-2
    SKU:
    HLY6-519-2
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    6-519-2
    $67.79
    Qty in Cart: 0
    Quantity:
    Price:
    $67.79
    Subtotal:
  • Viton Inlet Needle & Seat HLY6-518-2

    Holley Viton Inlet Needle & Seat 6-518-2

    HOLLEY

    $49.95
    The fuel delivery system is only as good as its metering components, and a worn or damaged inlet needle and seat will cause lean-out conditions, hesitation, and unpredictable jetting behavior. The Holley Viton Inlet Needle & Seat 6-518-2 restores precise...
    HLY6-518-2
    SKU:
    HLY6-518-2
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    6-518-2
    $49.95
    Qty in Cart: 0
    Quantity:
    Price:
    $49.95
    Subtotal:
  • Needle & Seat  HLY6-515-2

    Holley Needle & Seat 6-515-2

    HOLLEY

    $51.95
    A worn or damaged needle and seat can cause fuel flooding, inconsistent jetting, and unpredictable carb performance—issues that compromise both reliability and lap times. The Holley Needle & Seat 6-515-2 delivers precise fuel metering with adjustable...
    HLY6-515-2
    SKU:
    HLY6-515-2
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    6-515-2
    $51.95
    Qty in Cart: 0
    Quantity:
    Price:
    $51.95
    Subtotal:
  • Needle & Seat  HLY6-506

    Holley Needle & Seat 6-506

    HOLLEY

    $25.31
    A worn or poorly calibrated needle and seat directly impacts fuel delivery precision, affecting both idle quality and full-throttle performance. The Holley 6-506 delivers consistent fuel metering across the RPM range, eliminating hesitation and ensuring...
    HLY6-506
    SKU:
    HLY6-506
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    6-506
    Qty in Cart: 0
    Quantity:
    Price:
    $25.31
    Subtotal:
  • Needle & Seat  HLY6-504

    Holley Needle & Seat 6-504

    HOLLEY

    $30.27
    A worn or improperly seated needle and seat assembly directly impacts fuel delivery precision and carburetor response—critical factors for consistent performance across wide throttle ranges. The Holley 6-504 restores tight metering control, eliminating...
    HLY6-504
    SKU:
    HLY6-504
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    6-504
    $30.27
    Qty in Cart: 0
    Quantity:
    Price:
    $30.27
    Subtotal:
  • Needle & Seat  HLY6-502-2

    Holley Needle & Seat 6-502-2

    HOLLEY

    $87.95
    Fuel delivery precision is critical to carburetor performance, and a worn or mismatched needle and seat can cause lean stumbles, flooding, and inconsistent idle quality. The Holley 6-502-2 needle and seat assembly gives you factory-spec fuel control with...
    HLY6-502-2
    SKU:
    HLY6-502-2
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    6-502-2
    $87.95
    Qty in Cart: 0
    Quantity:
    Price:
    $87.95
    Subtotal:
  • Needle & Seat  HLY6-500-2

    Holley Needle & Seat 6-500-2

    HOLLEY

    $89.59
    A worn or improperly seated needle and seat directly compromises fuel delivery precision, leading to lean/rich conditions and erratic idle quality. The Holley 6-500-2 restores predictable fuel metering, essential for consistent carburetor performance and...
    HLY6-500-2
    SKU:
    HLY6-500-2
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    6-500-2
    $89.59
    Qty in Cart: 0
    Quantity:
    Price:
    $89.59
    Subtotal:
  • Carburetor Trick Kit  HLY37-933

    Holley Carburetor Trick Kit 37-933

    HOLLEY

    $221.95
    The Holley Carburetor Trick Kit 37-933 is engineered for racers and serious tuners who demand precision fuel delivery and reliable performance under extreme conditions. This comprehensive rebuild kit restores your Holley carburetor to factory...
    HLY37-933
    SKU:
    HLY37-933
    Availability:
    Ships Same Business Day
    Weight:
    1.62 LBS
    MFG Part #:
    37-933
    Qty in Cart: 0
    Quantity:
    Price:
    $221.95
    Subtotal:
  • Carburetor Quick Kit  HLY37-1546

    Holley Carburetor Quick Kit 37-1546

    HOLLEY

    $94.79
    A worn or sluggish Holley 4150 HP carburetor doesn't just reduce performance—it compromises fuel atomization, throttle response, and overall engine reliability. The Holley Carburetor Quick Kit 37-1546 gives you a fast, cost-effective way to restore your...
    HLY37-1546
    SKU:
    HLY37-1546
    Availability:
    Ships Same Business Day
    Weight:
    0.66 LBS
    MFG Part #:
    37-1546
    $94.79
    Qty in Cart: 0
    Quantity:
    Price:
    $94.79
    Subtotal:
  • Carburetor Quick Kit  HLY37-1544

    Holley Carburetor Quick Kit 37-1544

    HOLLEY

    $69.35
    Carburetor performance depends on precision internal components—worn seals, gaskets, and needles rob your Holley 4150 of responsiveness and fuel efficiency. This quick kit gives you everything needed for a complete rebuild without the guesswork,...
    HLY37-1544
    SKU:
    HLY37-1544
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    MFG Part #:
    37-1544
    $69.35
    Qty in Cart: 0
    Quantity:
    Price:
    $69.35
    Subtotal:
  • Carburetor Quick Kit  HLY37-1543

    Holley Carburetor Quick Kit 37-1543

    HOLLEY

    $47.94
    The Holley 37-1543 Quick Kit is your fastest path to restoring carburetor performance without a complete rebuild. If your 2300 Holley is running rich, hesitating, or showing signs of fuel delivery issues, this kit addresses the root causes with...
    HLY37-1543
    SKU:
    HLY37-1543
    Availability:
    Ships Same Business Day
    Weight:
    0.44 LBS
    MFG Part #:
    37-1543
    $47.94
    Qty in Cart: 0
    Quantity:
    Price:
    $47.94
    Subtotal:
  • Carburetor Renew Kit 4150 & 4500 Model HLY37-1539

    Holley Carburetor Renew Kit 4150 & 4500 Model 37-1539

    HOLLEY

    $221.95
    Carburetor performance degrades over time as internal seals wear and fuel varnish accumulates—compromising throttle response and fuel atomization. This Holley Renew Kit restores your 4150 or 4500 carb to factory specifications without the cost or...
    HLY37-1539
    SKU:
    HLY37-1539
    Availability:
    Ships Same Business Day
    Weight:
    1.88 LBS
    MFG Part #:
    37-1539
    Qty in Cart: 0
    Quantity:
    Price:
    $221.95
    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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