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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Allstar Performance Full Throttle Inserts Non-Restricting ALL26190
ALLSTAR PERFORMANCE
$38.99Restrictor Plate Inserts1.625 in IDAluminumNaturalAllstar 1/2 in Restrictor PlateSet of 4ALL26190- SKU:
- ALL26190
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$38.99 -
Carb. Adapter - 2300 to 4150 - L/W Tapered WLS044330
WILSON MANIFOLDS
$270.00Carburetor AdapterTapered Lightweight1-1/2 in Thick2 HoleHolley 2-Barrel to Square BoreAluminumBlack AnodizedEachWLS044330- SKU:
- WLS044330
- Availability:
- Ships Same Business Day
- Weight:
- 1.68 LBS
- MFG Part #:
- 44330
$270.00 -
Carb. Adapter - 2300 to 4150 - L/W Tapered WLS044111
WILSON MANIFOLDS
$192.00Carburetor AdapterTapered Lightweight1 in Thick2 HoleHolley 2-Barrel to Square BoreAluminumBlack AnodizedEachWLS044111- SKU:
- WLS044111
- Availability:
- Ships Same Business Day
- Weight:
- 1.77 LBS
- MFG Part #:
- 44111
$192.00 -
Carburetor Spacer - 4150 1in 4-Hole L/W Tapered WLS014210
WILSON MANIFOLDS
$250.80Carburetor SpacerTapered Lightweight1 in Thick4 HoleSquare BoreAluminumBlack AnodizedEachWLS014210- SKU:
- WLS014210
- Availability:
- Ships Same Business Day
- Weight:
- 1.08 LBS
- MFG Part #:
- 14210
$250.80Qty in Cart: 0Quantity:Price:$250.80Subtotal: -
Carburetor Spacer - 4150 2in 4-Hole L/W Tapered WLS004150
WILSON MANIFOLDS
$276.00Carburetor SpacerTapered Lightweight2 in Thick4 HoleSquare BoreAluminumBlack AnodizedEachWLS004150- SKU:
- WLS004150
- Availability:
- Ships Same Business Day
- Weight:
- 1.27 LBS
- MFG Part #:
- 4150
$276.00 -
Carburetor Spacer - 4150 1.5in 4-Hole L/W Tapered WLS004130
WILSON MANIFOLDS
$250.80Carburetor SpacerTapered Lightweight1-1/2 in Thick4 HoleSquare BoreAluminumBlack AnodizedEachWLS004130- SKU:
- WLS004130
- Availability:
- Ships Same Business Day
- Weight:
- 1.06 LBS
- MFG Part #:
- 4130
$250.80 -
Carburetor Spacer - 4150 1in 4-Hole L/W Tapered WLS004110
WILSON MANIFOLDS
$216.00Carburetor Spacer Tapered Lightweight 1 in Thick 4 Hole Square Bore Aluminum Black Anodized Each Get ready to supercharge your engine's performance with Wilson Manifolds tapered carburetor spacers. These innovative spacers are specifically designed to...WLS004110- SKU:
- WLS004110
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MFG Part #:
- 4110
$216.00 -
Angled Carb Spacer 4150 2in 4-Hole Tapered WLS003150
WILSON MANIFOLDS
$336.00Carburetor SpacerAngled2 in Thick4 HoleSquare BoreAluminumBlack AnodizedEachWLS003150- SKU:
- WLS003150
- Availability:
- Ships Same Business Day
- Weight:
- 1.31 LBS
- MFG Part #:
- 3150
$336.00 -
Carburetor Spacer - 4150 2in Open L/W WLS000050
WILSON MANIFOLDS
$198.00Carburetor SpacerLightweight2 in ThickOpenSquare BoreAluminumBlack AnodizedEachWLS000050- SKU:
- WLS000050
- Availability:
- Ships Same Business Day
- Weight:
- 0.99 LBS
- MFG Part #:
- 50
$198.00 -
Carburetor Spacer - 4150 1.5in Open L/W WLS000030
WILSON MANIFOLDS
$168.00Carburetor SpacerLightweight1-1/2 in ThickOpenSquare BoreAluminumBlack AnodizedEachWLS000030- SKU:
- WLS000030
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- MFG Part #:
- 30
$168.00 -
Weiand Carb Adapter Plate WEI9006
WEIAND
$39.61Carburetor Adapter1/16 in ThickOpenSquare Bore to Spread BoreGasketAluminumNaturalEachWEI9006- SKU:
- WEI9006
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- MFG Part #:
- 9006
$39.61 -
On Sale
Wehrs Carb Insert 2in Tall 1.450in Diameter WEHWM302-1.450
WEHRS MACHINE
MSRP: $85.99Now: $82.00Was: $85.99Restrictor Plate Insert2 in Tall1.450 in Diameter BoreAluminumNaturalWehrs Machine Spacer SystemEachWEHWM302-1.450- SKU:
- WEHWM302-1.450
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MFG Part #:
- WM302-1.450
MSRP: $85.99Now: $82.00Was: $85.99 -
On Sale
Wehrs Carb Insert 2in Tall 1.400in Diameter WEHWM302-1.400
WEHRS MACHINE
MSRP: $85.99Now: $82.00Was: $85.99Restrictor Plate Insert2 in Tall1.400 in Diameter BoreAluminumNaturalWehrs Machine Spacer SystemEachWEHWM302-1.400- SKU:
- WEHWM302-1.400
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MFG Part #:
- WM302-1.400
MSRP: $85.99Now: $82.00Was: $85.99 -
On Sale
Wehrs Carb Insert 2in Tall 1.350in Diameter WEHWM302-1.350
WEHRS MACHINE
MSRP: $85.99Now: $82.00Was: $85.99Restrictor Plate Insert2 in Tall1.350 in Diameter BoreAluminumNaturalWehrs Machine Spacer SystemEachWEHWM302-1.350- SKU:
- WEHWM302-1.350
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MFG Part #:
- WM302-1.350
MSRP: $85.99Now: $82.00Was: $85.99 -
On Sale
Wehrs Carb Insert 2in Tall 1.300in Diameter WEHWM302-1.300
WEHRS MACHINE
MSRP: $85.99Now: $82.00Was: $85.99Restrictor Plate Insert2 in Tall1.300 in Diameter BoreAluminumNaturalWehrs Machine Spacer SystemEachWEHWM302-1.300- SKU:
- WEHWM302-1.300
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MFG Part #:
- WM302-1.300
MSRP: $85.99Now: $82.00Was: $85.99 -
On Sale
Wehrs Carb Insert 2in Tall 1.250in Diameter WEHWM302-1.250
WEHRS MACHINE
MSRP: $85.99Now: $82.00Was: $85.99Restrictor Plate Insert2 in Tall1.250 in Diameter BoreAluminumNaturalWehrs Machine Spacer SystemEachWEHWM302-1.250- SKU:
- WEHWM302-1.250
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MFG Part #:
- WM302-1.250
MSRP: $85.99Now: $82.00Was: $85.99 -
On Sale
Wehrs Carb Insert 2in Tall 1.125in Diameter WEHWM302-1.125
WEHRS MACHINE
MSRP: $85.99Now: $82.00Was: $85.99Restrictor Plate Insert2 in Tall1.125 in Diameter BoreAluminumNaturalWehrs Machine Spacer SystemEachWEHWM302-1.125- SKU:
- WEHWM302-1.125
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MFG Part #:
- WM302-1.125
MSRP: $85.99Now: $82.00Was: $85.99 -
On Sale
Wehrs Carb Insert 2in Tall 1.00in Diameter WEHWM302-1.0
WEHRS MACHINE
MSRP: $85.99Now: $82.00Was: $85.99Restrictor Plate Insert2 In Tall1.000 in Diameter BoreAluminumNaturalWehrs Machine Spacer SystemEachWEHWM302-1.0- SKU:
- WEHWM302-1.0
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MFG Part #:
- WM302-1.0
MSRP: $85.99Now: $82.00Was: $85.99 -
On Sale
Wehrs Carb Insert 2in Tall Open WEHWM302-0
WEHRS MACHINE
MSRP: $85.99Now: $82.00Was: $85.99Restrictor Plate Insert2 in TallOpen BoreAluminumNaturalWehrs Machine Spacer SystemEachWEHWM302-0- SKU:
- WEHWM302-0
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- MFG Part #:
- WM302-0
MSRP: $85.99Now: $82.00Was: $85.99 -
On Sale
Wehrs Carb Adapt. 2BBl to 4BBl 1in Tall Slider WEHWM206SB
WEHRS MACHINE
MSRP: $100.99Now: $96.00Was: $100.99Carburetor Adapter1 in Thick2 HoleHolley 2-Barrel to Square BoreAluminumBlack AnodizedEachWEHWM206SB- SKU:
- WEHWM206SB
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- MFG Part #:
- WM206SB
MSRP: $100.99Now: $96.00Was: $100.99
