Carburetor Heat Dissipator - Holley 4 Barrel & Ram Manifolds - 1/2"

This carburetor heat dissipator fits Holley 4 Barrel & Ram Manifolds and is 1/2" Thick.


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Special heat-absorbing material with layers of aluminum alloy forces heat away from the carburetor. Allows a cooler, denser fuel mixture to prevent engine heat from vapor-locking gasoline in the carburetor.


  • Each Gasket and Aluminum Plate is 1/16" thick
  • Carburetor Opening is 3-5/8" x 3-3/4"


BrandMr. Gasket
Emission Code3
Product TypeHeat Dissipator Kit
Part Number98A


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.