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.

Features:

• 4-Hole Design - Larger Holes are 2.326" Diameter & Smaller Holes are 1.410" Diameter
• Each Plate and Gasket are 1/16" Thick