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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Mr. Gasket Carb Adapter 4bbl-4bbl 1932
MR. GASKET
$31.06Carb 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 -
Mr. Gasket Carb Adapter 2bbl-Q-Jet 1929MRG
MR. GASKET
$37.77Carb 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 -
Moroso 1/2in Wood Carb Spacer 65015
MOROSO
$54.991/2in Wood Carb Spacer Carburetor Spacer1/2 in ThickOpenSquare BoreWoodEachMOR65015- SKU:
- MOR65015
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- MFG Part #:
- 65015
$54.99 -
Moroso 1/2in Billet Carb Spacer 64985
MOROSO
$70.991/2in Billet Carb Spacer Carburetor Spacer1/2 in ThickOpenSquare BoreBillet AluminumEachMOR64985- SKU:
- MOR64985
- Availability:
- Ships Same Business Day
- Weight:
- 0.97 LBS
- MFG Part #:
- 64985
$70.99 -
Moroso 1in Billet Carb Spacer 64981
MOROSO
$98.991in Billet Carb Spacer Carburetor Spacer1 in ThickOpenSquare BoreBillet AluminumEachMOR64981- SKU:
- MOR64981
- Availability:
- Ships Same Business Day
- Weight:
- 1.68 LBS
- MFG Part #:
- 64981
$98.99 -
Moroso 1in Alum. Carb. Spacer 64980
MOROSO
$82.991in Alum. Carb. Spacer Carburetor Spacer1 in ThickOpenSquare BoreCast AluminumEachMOR64980- SKU:
- MOR64980
- Availability:
- Ships Same Business Day
- Weight:
- 1.73 LBS
- MFG Part #:
- 64980
$82.99 -
Moroso 2in Alum. Carb. Spacer 64970
MOROSO
$103.992in Alum. Carb. Spacer Carburetor Spacer2 in ThickOpenSquare BoreCast AluminumEachMOR64970- SKU:
- MOR64970
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
- MFG Part #:
- 64970
$103.99 -
Moroso Phenolic 1/2in 4 Hole 64943
MOROSO
$57.99Phenolic 1/2in 4 Hole Carburetor Spacer1/2 in Thick4 Hole1.750 in BoresSquare BorePhenolicEachMOR64943- SKU:
- MOR64943
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- MFG Part #:
- 64943
$57.99 -
Moroso Phenolic 1in Open 64940
MOROSO
$56.99Phenolic 1in Open Carburetor Spacer1 in ThickOpenSquare BorePlasticEachMOR64940- SKU:
- MOR64940
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- MFG Part #:
- 64940
$56.99 -
Moroso Phenolic 1in 4 Hole 64930
MOROSO
$62.99Phenolic 1in 4 Hole Carburetor Spacer1 in Thick4 HoleSquare BorePlasticEachMOR64930- SKU:
- MOR64930
- Availability:
- Ships Same Business Day
- Weight:
- 1.52 LBS
- MFG Part #:
- 64930
$62.99 -
1in Street Sweep Carb. Spacer - Alum - 4150 ST4150-4AL
HIGH VELOCITY HEADS
$143.991in Street Sweep Carb. Spacer - Alum - 4150Carburetor SpacerStreet Sweeper1 in Thick4 HoleSquare BoreAluminumPolishedRPM / Brodix HV 1016 / Dart Kool Kan ManifoldsEachHVHST4150-4AL- SKU:
- HVHST4150-4AL
- Availability:
- Ships Same Business Day
- Weight:
- 2.06 LBS
- MFG Part #:
- ST4150-4AL
$143.99 -
1in. Super Sucker Alm. Carb. Spacer - 2BBL. SS4412-2AL
HIGH VELOCITY HEADS
$156.991in. Super Sucker Alm. Carb. Spacer - 2BBL.Carburetor SpacerSuper Sucker1 in Thick2 HoleHolley 2-BarrelAluminumPolishedEachHVHSS4412-2AL- SKU:
- HVHSS4412-2AL
- Availability:
- Ships Same Business Day
- Weight:
- 2.77 LBS
- MFG Part #:
- SS4412-2AL
$156.99 -
1in. Super Sucker Alm. Carb. Spacer - 2BBL. SS4412-1 SWAL
HIGH VELOCITY HEADS
$148.991in. Super Sucker Alm. Carb. Spacer - 2BBL.Carburetor SpacerSuper Sucker1 in Thick2 HoleHolley 2-BarrelSideways MountAluminumPolishedEachHVHSS4412-1SWAL- SKU:
- HVHSS4412-1SWAL
- Availability:
- Ships Same Business Day
- Weight:
- 2.08 LBS
- MFG Part #:
- SS4412-1 SWAL
$148.99 -
.650 Super Sucker Alm. Carb Spacer - 4150 SS4150-604AL
HIGH VELOCITY HEADS
$145.99.650 Super Sucker Alm. Carb Spacer - 4150Carburetor SpacerSuper Sucker0.650 in Thick4 HoleSquare BoreAluminumPolishedEachHVHSS4150-604AL- SKU:
- HVHSS4150-604AL
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- MFG Part #:
- SS4150-604AL
$145.99 -
2in. Super Sucker L/W Alm. Carb. Spacer - 4150 SS4150-2ALW
HIGH VELOCITY HEADS
$176.992in. Super Sucker L/W Alm. Carb. Spacer - 4150Carburetor SpacerSuper Sucker2 in Thick4 HoleSquare BoreLight WeightAluminumPolishedEachHVHSS4150-2ALW- SKU:
- HVHSS4150-2ALW
- Availability:
- Ships Same Business Day
- Weight:
- 1.69 LBS
- MFG Part #:
- SS4150-2ALW
$176.99 -
2in. Super Sucker Alm. Carb. Spacer - 4150 SS4150-2AL
HIGH VELOCITY HEADS
$145.992in. Super Sucker Alm. Carb. Spacer - 4150Carburetor SpacerSuper Sucker2 in Thick4 HoleSquare BoreAluminumPolishedEachHVHSS4150-2AL- SKU:
- HVHSS4150-2AL
- Availability:
- Ships Same Business Day
- Weight:
- 3.77 LBS
- MFG Part #:
- SS4150-2AL
$145.99 -
1in. Super Sucker L/W Alm. Carb. Spacer - 4150 SS4150-1ALW
HIGH VELOCITY HEADS
$157.991in. Super Sucker L/W Alm. Carb. Spacer - 4150Carburetor SpacerSuper Sucker1 in Thick4 HoleSquare BoreLight WeightAluminumPolishedEachHVHSS4150-1ALW- SKU:
- HVHSS4150-1ALW
- Availability:
- Ships Same Business Day
- Weight:
- 1.29 LBS
- MFG Part #:
- SS4150-1ALW
$157.99 -
Canton Phenolic 1in Q-Jet Space 85-250
CANTON
$72.00Phenolic 1in Q-Jet Space Carburetor Spacer1 in Thick4 HoleSpread BorePhenolicEachCAN85-250- SKU:
- CAN85-250
- Availability:
- Ships Same Business Day
- Weight:
- 1.11 LBS
- MFG Part #:
- 85-250
$72.00 -
Canton 1/2in Phenolic Carb Spacer 85-162
CANTON
$42.001/2in Phenolic Carb SpacerCarburetor Spacer1/2 in ThickOpenSquare BorePhenolicEachCAN85-162- SKU:
- CAN85-162
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MFG Part #:
- 85-162
$42.00 -
Canton Phenolic 1in Open 85-160
CANTON
$65.00Phenolic 1in Open Carburetor Spacer1 in ThickOpenSquare BorePhenolicEachCAN85-160- SKU:
- CAN85-160
- Availability:
- Ships Same Business Day
- Weight:
- 0.94 LBS
- MFG Part #:
- 85-160
$65.00
