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Air and Fuel

Air and Fuel

Air and Fuel

Circle Track Fuel Cells, Pumps & Carburetors for Racing Engines at JJ Motorsports

Optimize your circle track racing setup with high-quality air and fuel components from JJ Motorsports. Our selection includes carburetors, fuel pumps, intake manifolds, fuel cells, and more, designed for maximum power, efficiency, and reliability in late models, modifieds, and street stocks. These durable parts ensure optimal fuel delivery and engine performance under intense racing conditions.

Shop trusted brands like JAZ Products and Pro/Cam. Explore related categories such as circle track engines and components for power upgrades or circle track suspension and components for handling enhancements.

Top Circle Track Air and Fuel Products

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
  • Main Jets (2)  HLY122-67

    Holley Main Jets (2) 122-67

    HOLLEY

    $15.28
    Precision fuel metering is fundamental to carburetor performance, and worn or incorrectly sized main jets directly compromise throttle response, fuel economy, and engine reliability. These Holley...
    HLY122-67
    SKU:
    HLY122-67
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    MFG Part #:
    122-67
    $15.28
    Qty in Cart: 0
    Quantity:
    Price:
    $15.28
    Subtotal:
  • Main Jets (2)  HLY122-66

    Holley Main Jets (2) 122-66

    HOLLEY

    $15.28
    Proper jetting is the foundation of carburetor tuning—get it wrong, and you're leaving power on the table or running dangerously lean. The Holley Main Jets (2) 122-66 are precision brass components...
    HLY122-66
    SKU:
    HLY122-66
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    122-66
    $15.28
    Qty in Cart: 0
    Quantity:
    Price:
    $15.28
    Subtotal:
  • Main Jets (2)  HLY122-65

    Holley Main Jets (2) 122-65

    HOLLEY

    $15.28
    Precise fuel metering is the foundation of carburetor tuning, and the right main jet size directly impacts your engine's peak power delivery and throttle response. These Holley 122-65 main jets...
    HLY122-65
    SKU:
    HLY122-65
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    MFG Part #:
    122-65
    $15.28
    Qty in Cart: 0
    Quantity:
    Price:
    $15.28
    Subtotal:
  • Main Jets (2)  HLY122-64

    Holley Main Jets (2) 122-64

    HOLLEY

    $15.28
    Proper jetting is fundamental to carburetor tuning—and these Holley main jets are essential for dialing in your fuel delivery for peak performance across the RPM range. Whether you're fine-tuning a...
    HLY122-64
    SKU:
    HLY122-64
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    MFG Part #:
    122-64
    $15.28
    Qty in Cart: 0
    Quantity:
    Price:
    $15.28
    Subtotal:
  • Main Jets (2)  HLY122-63

    Holley Main Jets (2) 122-63

    HOLLEY

    $15.28
    Main jet sizing is critical to proper carburetor tuning—too rich and you'll foul plugs and waste fuel, too lean and you risk engine damage. These Holley main jets deliver precise fuel metering at...
    HLY122-63
    SKU:
    HLY122-63
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    MFG Part #:
    122-63
    $15.28
    Qty in Cart: 0
    Quantity:
    Price:
    $15.28
    Subtotal:
  • Main Jets (2)  HLY122-62

    Holley Main Jets (2) 122-62

    HOLLEY

    $15.28
    Precision fuel metering is the foundation of carburetor tuning, and main jets directly control your engine's fuel mixture under load. Whether you're dialing in a street machine or fine-tuning a race...
    HLY122-62
    SKU:
    HLY122-62
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    MFG Part #:
    122-62
    $15.28
    Qty in Cart: 0
    Quantity:
    Price:
    $15.28
    Subtotal:
  • Main Jets (2)  HLY122-61

    Holley Main Jets (2) 122-61

    HOLLEY

    $15.28
    Precise fuel metering is the foundation of carburetor performance, and the right main jet size directly controls your engine's fuel delivery under load. These Holley main jets are essential when...
    HLY122-61
    SKU:
    HLY122-61
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    122-61
    $15.28
    Qty in Cart: 0
    Quantity:
    Price:
    $15.28
    Subtotal:
  • Main Jets (2)  HLY122-60

    Holley Main Jets (2) 122-60

    HOLLEY

    $15.28
    Main jet sizing is critical to carburetor tuning—get it wrong, and you're either running lean and risking engine damage, or running rich and leaving power on the table. The Holley 122-60 main jets...
    HLY122-60
    SKU:
    HLY122-60
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    122-60
    $15.28
    Qty in Cart: 0
    Quantity:
    Price:
    $15.28
    Subtotal:
  • Main Jets (2)  HLY122-59

    Holley Main Jets (2) 122-59

    HOLLEY

    $15.28
    Precise fuel metering is the foundation of carburetor performance, and worn or incorrect main jets compromise your engine's ability to deliver consistent power across the RPM band. These Holley main...
    HLY122-59
    SKU:
    HLY122-59
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    MFG Part #:
    122-59
    $15.28
    Qty in Cart: 0
    Quantity:
    Price:
    $15.28
    Subtotal:
  • Main Jets (2)  HLY122-58

    Holley Main Jets (2) 122-58

    HOLLEY

    $15.28
    Precise fuel metering is the foundation of reliable carburetor performance, and worn or incorrect main jets compromise your engine's efficiency and responsiveness. These OEM Holley main jets ensure...
    HLY122-58
    SKU:
    HLY122-58
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    MFG Part #:
    122-58
    $15.28
    Qty in Cart: 0
    Quantity:
    Price:
    $15.28
    Subtotal:
  • Main Jets (2)  HLY122-57

    Holley Main Jets (2) 122-57

    HOLLEY

    $15.28
    Proper jetting is the foundation of carburetor tuning—get it wrong, and you're leaving horsepower on the table or running too rich and fouling plugs. The Holley 122-57 main jets deliver precise fuel...
    HLY122-57
    SKU:
    HLY122-57
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    MFG Part #:
    122-57
    $15.28
    Qty in Cart: 0
    Quantity:
    Price:
    $15.28
    Subtotal:
  • Main Jets (2)  HLY122-56

    Holley Main Jets (2) 122-56

    HOLLEY

    $15.28
    Proper jetting is the foundation of carburetor tuning—get it wrong, and you're leaving horsepower on the table or risking a lean-running engine. The Holley 122-56 main jets give you precise fuel...
    HLY122-56
    SKU:
    HLY122-56
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    122-56
    $15.28
    Qty in Cart: 0
    Quantity:
    Price:
    $15.28
    Subtotal:
  • Main Jets (2)  HLY122-55

    Holley Main Jets (2) 122-55

    HOLLEY

    $15.28
    Precise fuel delivery is the foundation of reliable carburetor tuning, and main jets are your most direct control over mid-range and wide-open-throttle performance. The Holley 122-55 jets are...
    HLY122-55
    SKU:
    HLY122-55
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    122-55
    $15.28
    Qty in Cart: 0
    Quantity:
    Price:
    $15.28
    Subtotal:
  • Main Jets (2)  HLY122-54

    Holley Main Jets (2) 122-54

    HOLLEY

    $15.28
    Proper jetting is fundamental to carburetor tuning—get it wrong, and you're leaving horsepower on the table or risking a lean-running engine. These Holley #54 main jets deliver the precise fuel...
    HLY122-54
    SKU:
    HLY122-54
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    MFG Part #:
    122-54
    $15.28
    Qty in Cart: 0
    Quantity:
    Price:
    $15.28
    Subtotal:
  • Main Jets (2)  HLY122-53

    Holley Main Jets (2) 122-53

    HOLLEY

    $15.28
    Proper jetting is foundational to carburetor tuning—get it wrong, and you're leaving horsepower on the table or running dangerously lean. These Holley Main Jets deliver precise fuel metering at...
    HLY122-53
    SKU:
    HLY122-53
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    MFG Part #:
    122-53
    $15.28
    Qty in Cart: 0
    Quantity:
    Price:
    $15.28
    Subtotal:
  • Main Jets (2)  HLY122-52

    Holley Main Jets (2) 122-52

    HOLLEY

    $15.28
    Proper jetting is fundamental to carburetor tuning—these Holley main jets give you precise control over fuel delivery at cruise and part-throttle conditions, ensuring optimal air-fuel ratios across...
    HLY122-52
    SKU:
    HLY122-52
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    MFG Part #:
    122-52
    $15.28
    Qty in Cart: 0
    Quantity:
    Price:
    $15.28
    Subtotal:
  • Main Jets (2)  HLY122-51

    Holley Main Jets (2) 122-51

    HOLLEY

    $15.28
    Fuel delivery is the foundation of carburetor performance, and the right main jets are critical for achieving your target air-fuel ratio under load. These Holley main jets allow you to fine-tune your...
    HLY122-51
    SKU:
    HLY122-51
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    122-51
    $15.28
    Qty in Cart: 0
    Quantity:
    Price:
    $15.28
    Subtotal:
  • Main Jets (2)  HLY122-50

    Holley Main Jets (2) 122-50

    HOLLEY

    $15.28
    Precise fuel metering is the foundation of reliable carburetor performance, and worn or incorrect main jets compromise both throttle response and engine efficiency. These Holley main jets deliver the...
    HLY122-50
    SKU:
    HLY122-50
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    MFG Part #:
    122-50
    $15.28
    Qty in Cart: 0
    Quantity:
    Price:
    $15.28
    Subtotal:
  • Main Jets (2)  HLY122-49

    Holley Main Jets (2) 122-49

    HOLLEY

    $15.28
    Precise fuel metering is the foundation of carburetor performance, and the right main jet size directly controls your engine's power delivery and fuel economy across the RPM range. These Holley main...
    HLY122-49
    SKU:
    HLY122-49
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    122-49
    $15.28
    Qty in Cart: 0
    Quantity:
    Price:
    $15.28
    Subtotal:
  • Main Jets (2)  HLY122-48

    Holley Main Jets (2) 122-48

    HOLLEY

    $15.28
    Carburetor tuning demands precision, and these Holley main jets are the foundation of proper fuel metering at cruise and mid-range throttle positions. Selecting the correct jet size is critical for...
    HLY122-48
    SKU:
    HLY122-48
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    MFG Part #:
    122-48
    $15.28
    Qty in Cart: 0
    Quantity:
    Price:
    $15.28
    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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