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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
  • 1in. Open Center Carb Spacer Aluminum MRG6005

    Mr. Gasket 1in. Open Center Carb Spacer Aluminum 6005

    MR. GASKET

    $34.79
    1in. Open Center Carb Spacer Aluminum Carburetor Spacer 1 in Thick Open Square Bore Hardware Included Aluminum Natural Each Save yourself time, money and effort with a simple arb adaptation from Mr. Gasket! These kits offer an easy way to improve the...
    MRG6005
    SKU:
    MRG6005
    Availability:
    Ships Same Business Day
    Weight:
    1.33 LBS
    MFG Part #:
    6005
    $34.79
    Qty in Cart: 0
    Quantity:
    Price:
    $34.79
    Subtotal:
  • Ball Joint Quick Discon.  MRG3811G

    Mr. Gasket Ball Joint Quick Discon. 3811G

    MR. GASKET

    $34.72
    Ball Joint Quick Discon. Throttle Lever StudQuick DisconnectBall Joint1/4 inSteelCadmiumUniversalPair
    MRG3811G
    SKU:
    MRG3811G
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    MFG Part #:
    3811G
    $34.72
    Qty in Cart: 0
    Quantity:
    Price:
    $34.72
    Subtotal:
  • Bracket-Chrome  MRG3683

    Mr. Gasket Bracket-Chrome 3683

    MR. GASKET

    $15.84
    Bracket-Chrome Throttle Return Spring BracketSteelChromeUniversalEach
    MRG3683
    SKU:
    MRG3683
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    MFG Part #:
    3683
    $15.84
    Qty in Cart: 0
    Quantity:
    Price:
    $15.84
    Subtotal:
  • Phenolic 1in 4 Hole  MRG3404

    Mr. Gasket Phenolic 1in 4 Hole 3404

    MR. GASKET

    $49.65
    Phenolic 1in 4 Hole Carburetor Spacer 1 in Thick 4 Hole Square Bore Hardware Included Phenolic Each Save yourself time, money and effort with a simple arb adaptation from Mr. Gasket! These kits offer an easy way to improve the performance of your...
    MRG3404
    SKU:
    MRG3404
    Availability:
    Ships Same Business Day
    Weight:
    1.11 LBS
    MFG Part #:
    3404
    $49.65
    Qty in Cart: 0
    Quantity:
    Price:
    $49.65
    Subtotal:
  • Carb Adapter 2bbl-2bbl  MRG1937

    Mr. Gasket Carb Adapter 2bbl-2bbl 1937MRG

    MR. GASKET

    $33.07
    Carb Adapter 2bbl-2bbl Carburetor Adapter 1/2 in Thick Open Holley 2-Barrel to Rochester 2-Barrel Gasket / Hardware Aluminum Natural Each Save yourself time, money and effort with a simple arb adaptation from Mr. Gasket! These kits offer an easy way to...
    MRG1937
    SKU:
    MRG1937
    Availability:
    Ships Same Business Day
    Weight:
    0.93 LBS
    MFG Part #:
    1937MRG
    $33.07
    Qty in Cart: 0
    Quantity:
    Price:
    $33.07
    Subtotal:
  • Carb Adapter 2bbl-4bbl  MRG1933

    Mr. Gasket Carb Adapter 2bbl-4bbl 1933

    MR. GASKET

    $31.06
    Carb Adapter 2bbl-4bbl Carburetor Adapter 1 in Thick Open Holley 2-Barrel to Square Bore Gasket / Hardware Aluminum Natural Each Save yourself time, money and effort with a simple arb adaptation from Mr. Gasket! These kits offer an easy way to improve...
    MRG1933
    SKU:
    MRG1933
    Availability:
    Ships Same Business Day
    Weight:
    1.52 LBS
    MFG Part #:
    1933
    $31.06
    Qty in Cart: 0
    Quantity:
    Price:
    $31.06
    Subtotal:
  • Carb Adapter 4bbl-4bbl  MRG1932

    Mr. Gasket Carb Adapter 4bbl-4bbl 1932

    MR. GASKET

    $31.06
    Carb Adapter 4bbl-4bbl Carburetor Adapter 3/4 in Thick Open Square Bore to Spread Bore Gasket / Hardware Aluminum Natural Each Save yourself time, money and effort with a simple arb adaptation from Mr. Gasket! These kits offer an easy way to improve...
    MRG1932
    SKU:
    MRG1932
    Availability:
    Ships Same Business Day
    Weight:
    1.46 LBS
    MFG Part #:
    1932
    $31.06
    Qty in Cart: 0
    Quantity:
    Price:
    $31.06
    Subtotal:
  • Carb Adapter 2bbl-Q-Jet  MRG1929

    Mr. Gasket Carb Adapter 2bbl-Q-Jet 1929MRG

    MR. GASKET

    $37.77
    Carb Adapter 2bbl-Q-Jet Carburetor Adapter 1-1/8 in Thick Open Holley 2-Barrel to Spread Bore Gasket / Hardware Aluminum Natural Each Save yourself time, money and effort with a simple arb adaptation from Mr. Gasket! These kits offer an easy way to...
    MRG1929
    SKU:
    MRG1929
    Availability:
    Ships Same Business Day
    Weight:
    1.52 LBS
    MFG Part #:
    1929MRG
    $37.77
    Qty in Cart: 0
    Quantity:
    Price:
    $37.77
    Subtotal:
  • Throttle Return Spring  MRG19

    Mr. Gasket Throttle Return Spring 19

    MR. GASKET

    $11.20
    Throttle Return Spring Throttle Return Spring KitManifold Mount2-3/4 in LengthBracketSteelZinc OxideUniversalKit
    MRG19
    SKU:
    MRG19
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    MFG Part #:
    19
    $11.20
    Qty in Cart: 0
    Quantity:
    Price:
    $11.20
    Subtotal:
  • Fuel Pump Block-Off Plat  MRG1515

    Mr. Gasket Fuel Pump Block-Off Plat 1515

    MR. GASKET

    $9.09
    Fuel Pump Block-Off Plat Fuel Pump BlockoffSteelChromeSmall Block ChevyEach
    MRG1515
    SKU:
    MRG1515
    Availability:
    Ships Same Business Day
    Weight:
    0.33 LBS
    MFG Part #:
    1515
    $9.09
    Qty in Cart: 0
    Quantity:
    Price:
    $9.09
    Subtotal:
  • Quad. Carb. Bushing  MRG1512

    Mr. Gasket Quad. Carb. Bushing 1512

    MR. GASKET

    $15.07
    Quad. Carb. Bushing Throttle Lever Stud1/4 in Throttle RodAluminum / SteelChrome / NaturalEach
    MRG1512
    SKU:
    MRG1512
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    1512
    $15.07
    Qty in Cart: 0
    Quantity:
    Price:
    $15.07
    Subtotal:
  • Hly Pwr Vlv Block-Off  MRG1510

    Mr. Gasket Hly Pwr Vlv Block-Off 1510

    MR. GASKET

    $16.63
    Hly Pwr Vlv Block-Off Power Valve PlugGasketAluminumGold AnodizedHolley CarburetorsEach
    MRG1510
    SKU:
    MRG1510
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    MFG Part #:
    1510
    $16.63
    Qty in Cart: 0
    Quantity:
    Price:
    $16.63
    Subtotal:
  • Moroso 40 Micron Stainless Steel Fuel Filter Element for 65230 and 65231 97062

    Moroso 40 Micron Stainless Steel Fuel Filter Element for 65230 and 65231 97062

    MOROSO

    $23.99
    The Moroso 40 Micron Stainless Steel Fuel Filter Element is engineered to provide efficient filtration for high-volume in-line fuel filters, specifically models 65230 and 65231. Constructed with durable stainless steel mesh, it effectively removes...
    MOR97062
    SKU:
    MOR97062
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    97062
    $23.99
    Qty in Cart: 0
    Quantity:
    Price:
    $23.99
    Subtotal:
  • 14x3 Air Cleaner Kit w/Raised Bottom Chrome MOR65913

    Moroso 14x3 Air Cleaner Kit w/Raised Bottom Chrome 65913

    MOROSO

    $100.99
    14x3 Air Cleaner Kit w/Raised Bottom ChromeAir Cleaner Assembly14 in Round3 in Element5-1/8 in Carb FlangeRaised BaseAluminumChromeKit
    MOR65913
    SKU:
    MOR65913
    Availability:
    Ships Same Business Day
    Weight:
    4.30 LBS
    MFG Part #:
    65913
    $100.99
    Qty in Cart: 0
    Quantity:
    Price:
    $100.99
    Subtotal:
  • 14in Flat Bottom A/C  MOR65911

    Moroso 14in Flat Bottom A/C 65911

    MOROSO

    $82.99
    14in Flat Bottom A/C Air Cleaner Assembly14 in Round4-1/2 in Tall5-1/8 in Carb FlangeFlat BaseSteelChromeKit
    MOR65911
    SKU:
    MOR65911
    Availability:
    Ships Same Business Day
    Weight:
    4.10 LBS
    MFG Part #:
    65911
    $82.99
    Qty in Cart: 0
    Quantity:
    Price:
    $82.99
    Subtotal:
  • Carburetor Cover 2.375in Tall MOR65802

    Moroso Carburetor Cover 2.375in Tall 65802

    MOROSO

    $17.99
    Carburetor Cover 2.375in TallCarburetor CoverThumbscrew IncludedPlastic5-1/8 in FlangeEach
    MOR65802
    SKU:
    MOR65802
    Availability:
    Ships Same Business Day
    Weight:
    0.39 LBS
    MFG Part #:
    65802
    $17.99
    Qty in Cart: 0
    Quantity:
    Price:
    $17.99
    Subtotal:
  • Fuel Pump Push Rod  MOR65752

    Moroso Fuel Pump Push Rod 65752

    MOROSO

    $44.99
    Fuel Pump Push Rod Fuel Pump PushrodLightweightHardened Ends0.200 in LongerChromolyWorld Products Merlin / Oldsmobile Rocket BlockEach
    MOR65752
    SKU:
    MOR65752
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    MFG Part #:
    65752
    $44.99
    Qty in Cart: 0
    Quantity:
    Price:
    $44.99
    Subtotal:
  • Chevy Fuel Pump Push Rod  MOR65750

    Moroso Chevy Fuel Pump Push Rod 65750

    MOROSO

    $34.99
    Chevy Fuel Pump Push Rod Fuel Pump PushrodLightweightHardened EndsChromolyChevy V8Each
    MOR65750
    SKU:
    MOR65750
    Availability:
    Ships Same Business Day
    Weight:
    0.26 LBS
    MFG Part #:
    65750
    $34.99
    Qty in Cart: 0
    Quantity:
    Price:
    $34.99
    Subtotal:
  • Moroso Holley 4150 Slip Link 1:1 MOR65444

    Moroso Holley 4150 Slip Link 1:1 MOR65444

    MOROSO

    $22.99
    Holley 4150 Slip Link 1:1Carburetor Slip Link - 1:1 Primary / Secondary Opening Rates - Requires Drilling - Steel - Holley 4150 Carburetors - Each
    MOR65444
    SKU:
    MOR65444
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    65444
    $22.99
    Qty in Cart: 0
    Quantity:
    Price:
    $22.99
    Subtotal:
  • Moroso Jet Extension Brass 5/16-32 Thread Holley Carburetor 2 Pack 65441

    Moroso Jet Extension Brass 5/16-32 Thread Holley Carburetor 2 Pack 65441

    MOROSO

    $31.99
    Enhance your Holley carburetor's performance with Moroso's Jet Extension 5/16in-32. These brass screw-in extensions reposition jets deeper into the fuel bowl, effectively preventing fuel starvation during hard acceleration or cornering. Designed for...
    MOR65441
    SKU:
    MOR65441
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    65441
    $31.99
    Qty in Cart: 0
    Quantity:
    Price:
    $31.99
    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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