Carburetor Adapters and Spacers
Circle Track Race Car Carburetor Adapters & Spacers at JJ Motorsports
Adapt your circle track race car's carburetor setup with premium adapters and spacers from JJ Motorsports, designed for precise flange matching, improved airflow, and customizable height in high-RPM racing conditions. These high-quality aluminum spacers and adapter plates ensure secure mounting, reduced turbulence, and reliable performance for dirt track, oval, and stock car applications, helping you achieve better throttle response and power delivery on the track.
Shop top brands like Allstar Performance and Holley for race-proven reliability. Explore related categories such as Circle Track Carburetors & Components, Circle Track Air & Fuel, or Circle Track Racing for jets, intakes, and exhaust 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 Race Car Carburetor Adapters & Spacers
- Holley Carburetor Spacer 1/4in Phenolic 20-99 – Phenolic 1/4" spacer for Holley 4150 carbs; reduces heat soak and improves velocity.
- Allstar Performance Carburetor Adapter Plate ALL75071 – Billet adapter for 4150 to 4500 flange; precision CNC-machined for leak-free fit.
- Quick Fuel Carburetor Spacer 1/2in Aluminum QFT-30-129 – Aluminum 1/2" spacer for Q-Series carbs; enhances plenum volume for better distribution.
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!
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- Price
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On Sale
Wehrs Q-Jet Carb Adapter 1in Thick Straight Bore WEHWM10Q500SB
WEHRS MACHINE
MSRP: $70.99Now: $70.00Was: $70.99If you're running a Holley 2-barrel carb on a spread-bore intake manifold, this adapter is essential for proper fuel delivery and engine tuning. The Wehrs Q-Jet design eliminates gasket stack complications and gives you a solid, repeatable platform for...WEHWM10Q500SB- SKU:
- WEHWM10Q500SB
- Availability:
- Ships Same Business Day
- Weight:
- 1.87 LBS
- MFG Part #:
- WM10Q500SB
MSRP: $70.99Now: $70.00Was: $70.99 -
Adjustable Carb. Spacer WCD8850
WILLYS CARB
$359.99Precise carburettor control demands precision hardware. The Adjustable Carb. Spacer WCD8850 gives you the fine-tuning capability to dial in your air-fuel mixture and optimize throttle response without compromising structural integrity. Whether you're...WCD8850- SKU:
- WCD8850
- Availability:
- Ships Same Business Day
- Weight:
- 1.93 LBS
- MFG Part #:
- WCD8850
$359.99Qty in Cart: 0Quantity:Price:$359.99Subtotal: -
1in Carb Adapter Holley To Holley 3223
TRANS-DAPT
$136.99When transitioning from a 2-barrel Holley carburetor to a square-bore manifold, a quality adapter is essential to maintain proper fuel delivery and throttle response. This 1-inch aluminum adapter bridges the gap between incompatible mounting surfaces,...TRA3223- SKU:
- TRA3223
- Availability:
- Ships Same Business Day
- Weight:
- 2.57 LBS
- MFG Part #:
- 3223
$136.99 -
1in Alum Carb Spacer Holly/AFB 4 Hole 3211
TRANS-DAPT
$143.99A quality carburetor spacer is essential for optimizing fuel distribution and engine performance. The 1-inch Torque-Flow design elevates your intake manifold while creating a thermal barrier that reduces fuel vaporization and improves throttle response...TRA3211- SKU:
- TRA3211
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- MFG Part #:
- 3211
$143.99 -
Carburetor Spacer 2280
TRANS-DAPT
$63.99A carburetor spacer isolates your carb from engine heat and improves fuel atomization by creating optimal air-fuel mixture conditions—critical for consistent performance and reliability. The Carburetor Spacer 2280 delivers precise fitment with quality...TRA2280- SKU:
- TRA2280
- Availability:
- Ships Same Business Day
- Weight:
- 1.42 LBS
- MFG Part #:
- 2280
$63.99 -
Carburetor Spacer 2137
TRANS-DAPT
$67.99A quality carburetor spacer improves fuel atomization and enhances air velocity through your intake manifold, resulting in better throttle response and more consistent performance across your RPM range. The 1-inch thickness of the 2137 provides optimal...TRA2137- SKU:
- TRA2137
- Availability:
- Ships Same Business Day
- Weight:
- 1.84 LBS
- MFG Part #:
- 2137
$67.99 -
Carburetor Spacer 2135
TRANS-DAPT
$74.99A carburetor spacer elevates your intake manifold, creating critical distance between the carb and engine for improved airflow dynamics and better fuel atomization. This 1-inch aluminum spacer is essential if you're running a Holley 2-barrel setup and...TRA2135- SKU:
- TRA2135
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- MFG Part #:
- 2135
$74.99 -
Carburetor Spacer 2109
TRANS-DAPT
$52.99A carburetor spacer is essential for optimizing fuel distribution and improving throttle response on carbureted engines. By increasing the distance between your carburetor and intake manifold, this 1-inch spacer creates a larger plenum volume, resulting...TRA2109- SKU:
- TRA2109
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- MFG Part #:
- 2109
$52.99 -
Carburetor Spacer W/Fttg 2103
TRANS-DAPT
$42.99A quality carburetor spacer is essential for optimizing fuel distribution and improving engine response on square-bore carburetors. This 1-inch aluminum spacer increases manifold-to-carb distance, enhancing fuel atomization and reducing hot spots that...TRA2103- SKU:
- TRA2103
- Availability:
- Ships Same Business Day
- Weight:
- 1.89 LBS
- MFG Part #:
- 2103
$42.99 -
Carburetor Adapter 2087
TRANS-DAPT
$37.99If you're adapting a Holley or Rochester 2-barrel carburetor to a spread-bore manifold, precision fitment is non-negotiable. This aluminum adapter eliminates costly fabrication by providing a direct, bolt-on solution that maintains proper fuel delivery...TRA2087- SKU:
- TRA2087
- Availability:
- Ships Same Business Day
- Weight:
- 1.58 LBS
- MFG Part #:
- 2087
$37.99Qty in Cart: 0Quantity:Price:$37.99Subtotal: -
Holley Carb Spacer 1in Aluminum Open Center 2084
TRANS-DAPT
$44.99A carburetor spacer serves a critical dual purpose: it raises your carb off the intake manifold to improve air velocity and atomization, while also creating additional plenum volume for better fuel distribution. The Holley 1-inch aluminum spacer is a...TRA2084- SKU:
- TRA2084
- Availability:
- Ships Same Business Day
- Weight:
- 1.83 LBS
- MFG Part #:
- 2084
$44.99 -
Carburetor Spacer 2081
TRANS-DAPT
$46.99A carburetor spacer is essential for optimizing air velocity and fuel atomization in your intake manifold, directly improving throttle response and low-end torque. The 2-inch thickness of the Carburetor Spacer 2081 provides the ideal standoff distance...TRA2081- SKU:
- TRA2081
- Availability:
- Ships Same Business Day
- Weight:
- 1.96 LBS
- MFG Part #:
- 2081
$46.99 -
Carburetor Adapter 2066
TRANS-DAPT
$44.99If you're upgrading to a spread bore carburetor on an engine originally equipped with square bore, the Carburetor Adapter 2066 is your essential bridge component. This aluminum adapter ensures precise fitment and proper fuel delivery geometry,...TRA2066- SKU:
- TRA2066
- Availability:
- Ships Same Business Day
- Weight:
- 1.77 LBS
- MFG Part #:
- 2066
$44.99 -
Carburetor Adapter 2034
TRANS-DAPT
$53.99If you're running a square-bore carburetor on a spread-bore intake manifold, this adapter bridges the gap without compromising air velocity or fuel atomization. The Carburetor Adapter 2034 is a straightforward bolt-on solution that eliminates the need...TRA2034- SKU:
- TRA2034
- Availability:
- Ships Same Business Day
- Weight:
- 2.08 LBS
- MFG Part #:
- 2034
$53.99 -
Mr. Gasket 2in Open Center Carb Spacer 6007
MR. GASKET
$64.65A carb spacer is a straightforward way to improve intake velocity and engine breathing without replacing your entire intake manifold. The Mr. Gasket 2-inch open center design increases the distance between your carburetor and intake, promoting better...MRG6007- SKU:
- MRG6007
- Availability:
- Ships Same Business Day
- Weight:
- 2.16 LBS
- MFG Part #:
- 6007
$64.65 -
Mr. Gasket 1in 4-Hole Carb. Spacer 6006
MR. GASKET
$33.28Carburetor spacers are one of the most cost-effective modifications for unlocking additional engine performance without replacing your entire intake manifold. The Mr. Gasket 1in 4-Hole Spacer increases the distance between your carburetor and intake,...MRG6006- SKU:
- MRG6006
- Availability:
- Ships Same Business Day
- Weight:
- 1.57 LBS
- MFG Part #:
- 6006
$33.28 -
Mr. Gasket 1in. Open Center Carb Spacer Aluminum 6005
MR. GASKET
$35.66A carb spacer is one of the most cost-effective modifications for unlocking hidden performance—it improves fuel atomization, increases air velocity, and enhances heat dissipation between your carburetor and intake manifold. The Mr. Gasket 1in. open...MRG6005- SKU:
- MRG6005
- Availability:
- Ships Same Business Day
- Weight:
- 1.33 LBS
- MFG Part #:
- 6005
$35.66 -
Mr. Gasket Phenolic 1in 4 Hole 3404
MR. GASKET
$56.55Carburetor spacers are a cost-effective way to improve engine performance without replacing your entire intake manifold. The Mr. Gasket Phenolic 1in 4 Hole spacer raises your carburetor, optimizing fuel and air mixture velocity while reducing heat...MRG3404- SKU:
- MRG3404
- Availability:
- Ships Same Business Day
- Weight:
- 1.11 LBS
- MFG Part #:
- 3404
$56.55 -
Mr. Gasket Carb Adapter 2bbl-2bbl 1937MRG
MR. GASKET
$37.66Swapping carburetors shouldn't mean replacing your entire intake manifold. This Mr. Gasket adapter lets you mount a Holley 2-barrel carb directly to a Rochester 2-barrel manifold, saving you hundreds in unnecessary fabrication while maintaining proper...MRG1937- SKU:
- MRG1937
- Availability:
- Ships Same Business Day
- Weight:
- 0.93 LBS
- MFG Part #:
- 1937MRG
$37.66 -
Mr. Gasket Carb Adapter 2bbl-4bbl 1933
MR. GASKET
$35.37Upgrading from a 2-barrel to a 4-barrel carburetor doesn't mean replacing your entire intake manifold—this Mr. Gasket adapter bridges that gap with a straightforward, bolt-on solution. By stepping up to a square-bore 4-barrel carb, you'll unlock...MRG1933- SKU:
- MRG1933
- Availability:
- Ships Same Business Day
- Weight:
- 1.52 LBS
- MFG Part #:
- 1933
$35.37
