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!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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On Sale
Wehrs Carb Spacer Tuning System 2in Tall Restrictor Plate WEHWM302B
WEHRS MACHINE
MSRP: $120.99Now: $115.00Was: $120.99Restrictor Plate Main Body 2 in Tall Aluminum Black Anodized Wehrs Machine Spacer System Each Transform and fine-tune your race car's performance with the Wehrs Carb Spacer Tuning System. This premium 2" tall carburetor spacer is designed for the...WEHWM302B- SKU:
- WEHWM302B
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- MFG Part #:
- WM302B
MSRP: $120.99Now: $115.00Was: $120.99 -
Carburetor Spacer - 4150 1in Open L/W WLS000010
WILSON MANIFOLDS
$168.00Carburetor SpacerLightweight1 in ThickOpenSquare BoreAluminumBlack AnodizedEachWLS000010- SKU:
- WLS000010
- Availability:
- Ships Same Business Day
- Weight:
- 0.72 LBS
- MFG Part #:
- 10
$168.00 -
Carburetor Spacer 2063
TRANS-DAPT
$31.99Carburetor Spacer3/8 in ThickOpenSquare BoreGasket / Hardware IncludedAluminumNaturalEachTRA2063- SKU:
- TRA2063
- Availability:
- Ships Same Business Day
- Weight:
- 1.12 LBS
- MFG Part #:
- 2063
$31.99Qty in Cart: 0Quantity:Price:$31.99Subtotal: -
.500 Super Sucker Alm. Carb Spacer - 4150 SS4150-.5AL
HIGH VELOCITY HEADS
$158.99.500 Super Sucker Alm. Carb Spacer - 4150Carburetor SpacerSuper Sucker0.500 in Thick4 HoleSquare BoreAluminumPolishedEachHVHSS4150-.5AL- SKU:
- HVHSS4150-.5AL
- Availability:
- Ships Same Business Day
- Weight:
- 1.14 LBS
- MFG Part #:
- SS4150-.5AL
$158.99 -
Allstar Performance Angled Carb Spacer 4150 ALL25975
ALLSTAR PERFORMANCE
$264.99Angled Carb Spacer 4150 Carburetor SpacerAngled2 in Thick4 HoleSquare BoreAluminumBlack AnodizedEachALL25975- SKU:
- ALL25975
- Availability:
- Ships Same Business Day
- Weight:
- 1.34 LBS
- MFG Part #:
- ALL25975
$264.99 -
On Sale
Wehrs Carb Adapter 2bbl to 4bbl Holey 1in Thick WM10-100
WEHRS MACHINE
MSRP: $105.99Now: $101.00Was: $105.99Carburetor AdapterTapered Lightweight1 in Thick2 HoleHolley 2-Barrel to Square BoreBlack AnodizedEachWEHWM10-100- SKU:
- WEHWM10-100
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
MSRP: $105.99Now: $101.00Was: $105.99 -
On Sale
Wehrs Carb Spacer Tunnin Sys 1in Tall WEHWM301B
WEHRS MACHINE
MSRP: $86.99Now: $83.00Was: $86.99Restrictor PlateMain Body1 in TallAluminumBlack AnodizedWehrs Machine Spacer SystemEachWEHWM301B- SKU:
- WEHWM301B
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
MSRP: $86.99Now: $83.00Was: $86.99 -
On Sale
Wehrs Carb Insert 1in Tall 1.450in Diameter WEHWM301-1.450
WEHRS MACHINE
MSRP: $51.99Now: $49.00Was: $51.99Restrictor Plate Insert1 in Tall1.450 in Diameter BoreAluminumNaturalWehrs Machine Spacer SystemEachWEHWM301-1.450- SKU:
- WEHWM301-1.450
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
MSRP: $51.99Now: $49.00Was: $51.99 -
On Sale
Wehrs Carb Insert 1in Tall 1.250in Diameter WEHWM301-1.250
WEHRS MACHINE
MSRP: $51.99Now: $49.00Was: $51.99Restrictor Plate Insert1 in Tall1.250 in Diameter BoreAluminumNaturalWehrs Machine Spacer SystemEachWEHWM301-1.250- SKU:
- WEHWM301-1.250
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
MSRP: $51.99Now: $49.00Was: $51.99 -
On Sale
Wehrs Carb Insert 1in Tall 1.125in Diameter WEHWM301-1.125
WEHRS MACHINE
MSRP: $51.99Now: $49.00Was: $51.99Restrictor Plate Insert1 in Tall1.125 in Diameter BoreAluminumNaturalWehrs Machine Spacer SystemEachWEHWM301-1.125- SKU:
- WEHWM301-1.125
- Availability:
- Ships Same Business Day
- Weight:
- 0.58 LBS
MSRP: $51.99Now: $49.00Was: $51.99 -
On Sale
Wehrs Carb Insert 1in Tall 1.00in Diameter WEHWM301-1.0
WEHRS MACHINE
MSRP: $51.99Now: $49.00Was: $51.99Restrictor Plate Insert1 in Tall1.000 in Diameter BoreAluminumNaturalWehrs Machine Spacer SystemEachWEHWM301-1.0- SKU:
- WEHWM301-1.0
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
MSRP: $51.99Now: $49.00Was: $51.99 -
On Sale
Wehrs Carb Insert 1in Tall Open WEHWM301-0
WEHRS MACHINE
MSRP: $51.99Now: $49.00Was: $51.99Restrictor Plate Insert1 in TallOpen BoreAluminumNaturalWehrs Machine Spacer SystemEachWEHWM301-0- SKU:
- WEHWM301-0
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
MSRP: $51.99Now: $49.00Was: $51.99 -
On Sale
Wehrs Carb Adapter Alum 4412 to 4150 Slider 1in Tall WEHWM206100
WEHRS MACHINE
MSRP: $125.99Now: $120.00Was: $125.99Carburetor Adapter1 in Thick2 HoleHolley 2-Barrel to Holley 4-BarrelAluminumBlack AnodizedEachWEHWM206100- SKU:
- WEHWM206100
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
MSRP: $125.99Now: $120.00Was: $125.99 -
1/2In Phenolic Spacer - Open R9139
RACING POWER CO-PACKAGED
$29.99Carburetor Spacer1/2 in ThickOpenSquare BoreGaskets / Hardware IncludedPhenolicBlackEachRPCR9139- SKU:
- RPCR9139
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$29.99 -
1/2In Phenolic Spacer - Ported R9138
RACING POWER CO-PACKAGED
$32.99Carburetor Spacer1/2 in Thick4 HoleSquare BoreGaskets / Hardware IncludedPhenolicBlackEachRPCR9138- SKU:
- RPCR9138
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
$32.99 -
2In Phenolic Carp Space r - Open R9137
RACING POWER CO-PACKAGED
$44.99Carburetor Spacer2 in ThickOpenSquare BoreGaskets / Hardware IncludedPhenolicBlackEachRPCR9137- SKU:
- RPCR9137
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
$44.99 -
1In Phenolic Carb Space r - Open R9136
RACING POWER CO-PACKAGED
$39.99Carburetor Spacer1 in ThickOpenSquare BoreGaskets / Hardware IncludedPhenolicBlackEachRPCR9136- SKU:
- RPCR9136
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
$39.99 -
2In Phenolic Carb Space r - Ported R9135
RACING POWER CO-PACKAGED
$45.99Carburetor Spacer2 in Thick4 HoleSquare BoreGaskets / Hardware IncludedPhenolicBlackEachRPCR9135- SKU:
- RPCR9135
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
$45.99 -
1In Phenolic Carb Space r- Ported R9134
RACING POWER CO-PACKAGED
$42.99Carburetor Spacer1 in Thick4 HoleSquare BoreGaskets / Hardware IncludedPhenolicBlackEachRPCR9134- SKU:
- RPCR9134
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
$42.99 -
Dart Phenolic Carb Spacer 1in 4150 Flange 62100002
DART
$70.81Carburetor Spacer1 in ThickOpenSquare BorePhenolicEachDRT62100002- SKU:
- DRT62100002
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
$70.81
