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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
  • air filter 14x4 walker performance air filter

    Walker Performance 3000728 Replacement Low Profile Air Filter

    WALKER ENGINEERING

    $99.99
    This is a replacement air filter for Walker's Low Profile Air Filter Kit. This filter utilizes special seals on the top and bottom that work in conjunction with Walker's Low Profile Kit, and will not work with other air cleaner bases or tops.This Dirt...
    3000728
    SKU:
    3000728
    Availability:
    Will be special ordered for you
    Weight:
    2.00 LBS
    $99.99
    Qty in Cart: 0
    Quantity:
    Price:
    $99.99
    Subtotal:
  • walker air filter 14x4 re-usable air filter

    Walker Performance 3000204 Tall Round Washable Air Filter 14 x 4

    WALKER ENGINEERING

    $99.99
    This Dirt Modified/Late Model Style Air Filter features Walker's "Best in Seal " Technology and is one of the best on the market. It is washable so changing out your filter every race is a thing of the past. 14X4 Washable/Reusable Sold...
    3000204
    SKU:
    3000204
    Availability:
    Will be special ordered for you
    Weight:
    2.00 LBS
    $99.99
    Qty in Cart: 0
    Quantity:
    Price:
    $99.99
    Subtotal:
  • 90 degree bend fuel cell breather/vent Fuel Cell Breather/Vent -8 AN 90 Deg. Bend Female Fitting with Filter

    Fuel Cell Breather/Vent -8 AN 90 Deg. Bend Female Fitting with Filter

    J J MOTORSPORTS

    $36.00
    Fuel Cell Breather/Vent -8 AN with 90 Degree Bend   commonly used on fuel cells as a vent. Simply screw right onto the fitting coming out of the cell. This fitting makes it easy because this is the only fitting you need for it. ("no extra fittings")...
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    female end:
    8 AN
    bend degree:
    90 degree
    height:
    2.5" Inch
    $36.00
    Qty in Cart: 0
    Quantity:
    Price:
    $36.00
    Subtotal:
  • Fuel Pump - 255lph - Gas In-Tank - Universal WFPGSS342G3

    Fuel Pump - 255lph - Gas In-Tank - Universal WFPGSS342G3

    WALBRO / TI AUTOMOTIVE

    $82.99
    High-performance fuel pump with a flow rate of 255 liters per hour Compatible with various vehicles, ensuring universal fit Electric operation for efficient fuel delivery Designed for in-tank installation to reduce noise and enhance...
    WFPGSS342G3
    SKU:
    WFPGSS342G3
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    $82.99
    Qty in Cart: 0
    Quantity:
    Price:
    $82.99
    Subtotal:
  • Fuel Pump - 255lph - Gas In-Tank - Universal WFPGSS341G3

    Fuel Pump - 255lph - Gas In-Tank - Universal WFPGSS341G3

    WALBRO / TI AUTOMOTIVE

    $82.99
    High-performance fuel pump with a flow rate of 255 liters per hour Compatible with various vehicles, ensuring universal fit Electric operation for efficient fuel delivery Designed for in-tank installation to reduce noise and enhance...
    WFPGSS341G3
    SKU:
    WFPGSS341G3
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    $82.99
    Qty in Cart: 0
    Quantity:
    Price:
    $82.99
    Subtotal:
  • Fuel Pump - 255lph - Gas In-Tank - Universal WFPGSS340G3

    Fuel Pump - 255lph - Gas In-Tank - Universal WFPGSS340G3

    WALBRO / TI AUTOMOTIVE

    $82.99
    High-performance fuel pump with a flow rate of 255 liters per hour Compatible with various vehicles, ensuring universal fit Electric operation for efficient fuel delivery Designed for in-tank installation to reduce noise and enhance...
    WFPGSS340G3
    SKU:
    WFPGSS340G3
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $82.99
    Subtotal:
  • Fuel Pump - 155lph - Gas Inline Universal WFPGSL393

    Fuel Pump - 155lph - Gas Inline Universal WFPGSL393

    WALBRO / TI AUTOMOTIVE

    $98.99
    Fuel PumpElectricIn-Line155 lph10 mm x 1.00 Inlet10 mm x 1.00 OutletGasUniversalEach
    WFPGSL393
    SKU:
    WFPGSL393
    Availability:
    Ships Same Business Day
    Weight:
    1.20 LBS
    $98.99
    Qty in Cart: 0
    Quantity:
    Price:
    $98.99
    Subtotal:
  • Fuel Pump - 255lph - Gas Inline - Universal WFPGSL392

    Fuel Pump - 255lph - Gas Inline - Universal WFPGSL392

    WALBRO / TI AUTOMOTIVE

    $105.99
    Fuel PumpGSLElectricIn-Line255 lph10 mm x 1.00 Female Inlet10 mm x 1.00 Female OutletGasEach
    WFPGSL392
    SKU:
    WFPGSL392
    Availability:
    Ships Same Business Day
    Weight:
    1.10 LBS
    $105.99
    Qty in Cart: 0
    Quantity:
    Price:
    $105.99
    Subtotal:
  • Fuel Pump - 190lph - Gas Inline - Universal WFPGSL391

    Fuel Pump - 190lph - Gas Inline - Universal WFPGSL391

    WALBRO / TI AUTOMOTIVE

    $104.99
    High-performance fuel pump with a flow rate of 190 liters per hour Designed for universal compatibility with various gas engines Electric in-line design ensures efficient fuel delivery Features 10 mm x 1.00 female inlet and outlet for easy...
    WFPGSL391
    SKU:
    WFPGSL391
    Availability:
    Ships Same Business Day
    Weight:
    1.27 LBS
    $104.99
    Qty in Cart: 0
    Quantity:
    Price:
    $104.99
    Subtotal:
  • Installation Kit  WFP400-939

    Installation Kit WFP400-939

    WALBRO / TI AUTOMOTIVE

    $25.99
    Fuel Pump Installation KitBarb Fittings / Hardware / Pump Mounts / Pump SleeveWalbro In-Line Fuel PumpsKit
    WFP400-939
    SKU:
    WFP400-939
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    $25.99
    Qty in Cart: 0
    Quantity:
    Price:
    $25.99
    Subtotal:
  • Installation Kit Fuel Pump WFP400-929

    Installation Kit Fuel Pump WFP400-929

    WALBRO / TI AUTOMOTIVE

    $6.99
    Fuel Pump Installation KitWalbro Fuel PumpsKit
    WFP400-929
    SKU:
    WFP400-929
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    $6.99
    Qty in Cart: 0
    Quantity:
    Price:
    $6.99
    Subtotal:
  • Pump Mounts and Sleeve Kit WFP400-920

    Pump Mounts and Sleeve Kit WFP400-920

    WALBRO / TI AUTOMOTIVE

    $23.99
    Fuel Pump Installation KitPump MountsPump SleeveWalbro In-Line Fuel PumpsKit
    WFP400-920
    SKU:
    WFP400-920
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    $23.99
    Qty in Cart: 0
    Quantity:
    Price:
    $23.99
    Subtotal:
  • Fuel Pump Blockoff Plate SBC WEHWM4

    Wehrs Fuel Pump Blockoff Plate SBC WEHWM4

    WEHRS MACHINE

    $9.00
    Fuel Pump Mounting PlateAluminumBlack AnodizedSmall Block ChevyEach
    WEHWM4
    SKU:
    WEHWM4
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    $9.00
    Qty in Cart: 0
    Quantity:
    Price:
    $9.00
    Subtotal:
  • On Sale
    Carb Spacer Tunnin Sys 1in Tall WEHWM301B

    Wehrs Carb Spacer Tunnin Sys 1in Tall WEHWM301B

    WEHRS MACHINE

    MSRP: $86.99
    Now: $83.00
    Was: $86.99
    Restrictor PlateMain Body1 in TallAluminumBlack AnodizedWehrs Machine Spacer SystemEach
    WEHWM301B
    SKU:
    WEHWM301B
    Availability:
    Ships Same Business Day
    Weight:
    1.30 LBS
    MSRP: $86.99
    Now: $83.00
    Was: $86.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $86.99
    Now: $83.00
    Was: $86.99
    Subtotal:
  • On Sale
    Carb Insert 1in Tall 1.450in Diameter WEHWM301-1.450

    Wehrs Carb Insert 1in Tall 1.450in Diameter WEHWM301-1.450

    WEHRS MACHINE

    MSRP: $51.99
    Now: $49.00
    Was: $51.99
    Restrictor Plate Insert1 in Tall1.450 in Diameter BoreAluminumNaturalWehrs Machine Spacer SystemEach
    WEHWM301-1.450
    SKU:
    WEHWM301-1.450
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    MSRP: $51.99
    Now: $49.00
    Was: $51.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $51.99
    Now: $49.00
    Was: $51.99
    Subtotal:
  • On Sale
    Carb Insert 1in Tall 1.250in Diameter WEHWM301-1.250

    Wehrs Carb Insert 1in Tall 1.250in Diameter WEHWM301-1.250

    WEHRS MACHINE

    MSRP: $51.99
    Now: $49.00
    Was: $51.99
    Restrictor Plate Insert1 in Tall1.250 in Diameter BoreAluminumNaturalWehrs Machine Spacer SystemEach
    WEHWM301-1.250
    SKU:
    WEHWM301-1.250
    Availability:
    Ships Same Business Day
    Weight:
    0.56 LBS
    MSRP: $51.99
    Now: $49.00
    Was: $51.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $51.99
    Now: $49.00
    Was: $51.99
    Subtotal:
  • On Sale
    Carb Insert 1in Tall 1.125in Diameter WEHWM301-1.125

    Wehrs Carb Insert 1in Tall 1.125in Diameter WEHWM301-1.125

    WEHRS MACHINE

    MSRP: $51.99
    Now: $49.00
    Was: $51.99
    Restrictor Plate Insert1 in Tall1.125 in Diameter BoreAluminumNaturalWehrs Machine Spacer SystemEach
    WEHWM301-1.125
    SKU:
    WEHWM301-1.125
    Availability:
    Ships Same Business Day
    Weight:
    0.58 LBS
    MSRP: $51.99
    Now: $49.00
    Was: $51.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $51.99
    Now: $49.00
    Was: $51.99
    Subtotal:
  • On Sale
    Carb Insert 1in Tall 1.00in Diameter WEHWM301-1.0

    Wehrs Carb Insert 1in Tall 1.00in Diameter WEHWM301-1.0

    WEHRS MACHINE

    MSRP: $51.99
    Now: $49.00
    Was: $51.99
    Restrictor Plate Insert1 in Tall1.000 in Diameter BoreAluminumNaturalWehrs Machine Spacer SystemEach
    WEHWM301-1.0
    SKU:
    WEHWM301-1.0
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    MSRP: $51.99
    Now: $49.00
    Was: $51.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $51.99
    Now: $49.00
    Was: $51.99
    Subtotal:
  • On Sale
    Carb Insert 1in Tall Open WEHWM301-0

    Wehrs Carb Insert 1in Tall Open WEHWM301-0

    WEHRS MACHINE

    MSRP: $51.99
    Now: $49.00
    Was: $51.99
    Restrictor Plate Insert1 in TallOpen BoreAluminumNaturalWehrs Machine Spacer SystemEach
    WEHWM301-0
    SKU:
    WEHWM301-0
    Availability:
    Ships Same Business Day
    Weight:
    0.46 LBS
    MSRP: $51.99
    Now: $49.00
    Was: $51.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $51.99
    Now: $49.00
    Was: $51.99
    Subtotal:
  • On Sale
    Carb Adapter Alum 4412 to 4150 Slider 1in Tall WEHWM206100

    Wehrs Carb Adapter Alum 4412 to 4150 Slider 1in Tall WEHWM206100

    WEHRS MACHINE

    MSRP: $125.99
    Now: $120.00
    Was: $125.99
    Carburetor Adapter1 in Thick2 HoleHolley 2-Barrel to Holley 4-BarrelAluminumBlack AnodizedEach
    WEHWM206100
    SKU:
    WEHWM206100
    Availability:
    Ships Same Business Day
    Weight:
    1.90 LBS
    MSRP: $125.99
    Now: $120.00
    Was: $125.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $125.99
    Now: $120.00
    Was: $125.99
    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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