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
- Hi-Volume Small Block Chevy Claimer Oil Pan 6qt Kit, LH Side Dipstick – High-volume 6qt oil pan kit with left-hand side dipstick for Small Block Chevy engines, ideal for circle track applications.
- JAZ 22 Gal. C/T Fuel Cell Man O' War Series 285-722-01 – Durable 22-gallon fuel cell with seamless polyethylene inner shell and steel outer container, designed for dirt late model and modified racing.
- Fuel Pump SBC 7.5psi Billet Aluminum # 9351 – Mechanical fuel pump for Small Block Chevy with 130 gph flow at 7.5 psi, billet aluminum construction, compatible with gasoline, E85, and methanol.
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
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Howe 90 Degree Bend Alum 1.5in 3430
HOWE
$21.99Radiator inlet and outlet plumbing demands precision bends that maintain flow integrity without kinks or restrictions. This Howe mandrel bend eliminates amateur fabrication guesswork, ensuring consistent 90-degree angles that fit tight engine bay...HOW3430- SKU:
- HOW3430
- Availability:
- Ships Same Business Day
- Weight:
- 0.42 LBS
- MFG Part #:
- 3430
$21.99 -
Holley .150in Needle & Seat Assembly 6-521
HOLLEY
$46.07A 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
$46.07 -
Holley Needle & Seat 6-519-2
HOLLEY
$58.67Fuel 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
$58.67 -
Holley Viton Inlet Needle & Seat 6-518-2
HOLLEY
$43.87The 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
$43.87 -
Holley Needle & Seat 6-515-2
HOLLEY
$51.19A 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
$51.19 -
Holley Needle & Seat 6-506
HOLLEY
$21.91A 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
$21.91 -
Holley Needle & Seat 6-504
HOLLEY
$26.20A 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
$26.20 -
Holley Needle & Seat 6-502-2
HOLLEY
$84.55Fuel 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
$84.55 -
Holley Needle & Seat 6-500-2
HOLLEY
$86.15A 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
$86.15 -
Holley Carburetor Trick Kit 37-933
HOLLEY
$192.55The 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
$192.55 -
Holley Carburetor Quick Kit 37-1546
HOLLEY
$82.04A 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
$82.04 -
Holley Carburetor Quick Kit 37-1544
HOLLEY
$59.99Carburetor 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
$59.99 -
Holley Carburetor Quick Kit 37-1543
HOLLEY
$41.49The 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
$41.49 -
Holley Carburetor Renew Kit 4150 & 4500 Model 37-1539
HOLLEY
$192.55Carburetor 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
$192.55 -
Holley Air Bleed Assortment 4500HP 36-240
HOLLEY
$322.15Proper air bleed sizing is critical for dialing in your Holley 4500HP carburetor's fuel mixture across the entire RPM range. This assortment gives you 56 individual brass bleeds (sizes 23-78) to achieve the precise metering needed for consistent...HLY36-240- SKU:
- HLY36-240
- Availability:
- Ships Same Business Day
- Weight:
- 2.97 LBS
- MFG Part #:
- 36-240
$322.15 -
Holley Acc Pump Tuning Kit 36-184
HOLLEY
$209.65The accelerator pump is critical to fuel delivery consistency—especially under hard acceleration where hesitation can cost you milliseconds on the track or throttle response in street driving. This Holley tuning kit gives you the components needed to...HLY36-184- SKU:
- HLY36-184
- Availability:
- Ships Same Business Day
- Weight:
- 1.39 LBS
- MFG Part #:
- 36-184
$209.65 -
Holley Dbl Pumper Tuning Kit 36-182
HOLLEY
$168.25Tuning a Holley Double Pumper carburetor demands precision calibration—this kit gives you everything needed to dial in fuel delivery, acceleration response, and overall engine performance. Whether you're sorting a fresh build or optimizing an existing...HLY36-182- SKU:
- HLY36-182
- Availability:
- Ships Same Business Day
- Weight:
- 1.32 LBS
- MFG Part #:
- 36-182
$168.25 -
Holley Vent Baffle 26-89
HOLLEY
$18.66Proper fuel bowl ventilation is critical to consistent carburetor performance, and a worn or missing vent baffle can lead to fuel starvation, flooding, and erratic idle conditions. This Holley Vent Baffle restores proper airflow dynamics in your fuel...HLY26-89- SKU:
- HLY26-89
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MFG Part #:
- 26-89
$18.66 -
Holley Check Valve 26-41
HOLLEY
$17.51A worn or failed accelerator pump check valve compromises fuel delivery precision and throttle response—critical factors in both street and race applications. The Holley 26-41 restores proper one-way flow, ensuring your carb's pump circuit functions as...HLY26-41- SKU:
- HLY26-41
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MFG Part #:
- 26-41
$17.51 -
Holley Power Valve Plug 26-36
HOLLEY
$9.34A worn or missing power valve plug compromises your carburetor's precision tuning and can introduce fuel system leaks that affect idle quality and throttle response. This OEM Holley replacement ensures a clean, reliable seal with the included gasket,...HLY26-36- SKU:
- HLY26-36
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- 26-36
$9.34
