Carburetor Adapter Kit - Large Holley 2-Barrel to Any Rochester 4-bolt - 2-Barrel

This carburetor adapter kit fits large Holley 2-barrel carburetors to any Rochester 4-bolt, 2-barrel base, or any Rochester 4-bolt, 2-barrel carburetor to large Holley 2-barrel base and is 9/16" thick with an open center.


$21.61   Suggested Retail
$17.51   Holleydays Price
Free Shipping on orders over $100*
In Stock  


Carb adapter from Rochester 4 bolt 2 bbl to Large 2 bbl Holley, or any Large 2bbl Holley to 4 bolt 2 bbl Rochester. Adapter height is 9/16" Die cast Aluminum, hardware and gaskets included.


  • Adapt From 2 Barrel Rochester Carburetor To Large 2 Barrel Holley
  • Adapt From Large 2 Barrel Holley To 2 Barrel Rochester
  • Die Cast Aluminum
  • Includes Hardware & Gaskets
  • Thickness 9/16"
  • Open Center


BrandMr. Gasket
Emission Code3
Product TypeCarburetor Adapter
WarrantyLimited 90 Day Warranty
Part Number1937MRG

Tech Resources


This part is legal for use on Uncontrolled (Non-Emissions Controlled) Vehicles or Racing Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle

Racing Vehicles are vehicles that are used exclusively for racing or other forms of competition that are not registered and that may never be used on the street.

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    *Free Shipping & Handling only offered to the contiguous US on orders over $100.

    Some parts are not legal for use in California or other states with similar regulations.

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