Carb spacer

Phenolic spacers can be had in any size.
Will need 2 base gaskets to use.
Can create issues with linkage.
Can create hood clearance issues if you don't pick the right size.
Work well at keeping the carb cooler.
Can warp.

Edelbrock 9266 or 9265 Heat Insulator Gasket
Comes in one height.
Doesn't need base gaskets.
No issues with linkage.
No issues with hood clearance. (Drop down air-filter).
Work well at keeping the carb cooler.
Will never warp.
My go to !!!!!