This is a replacement delete cover that allows the removal of your factory A/C evaporator box and still allows the use of the heater & defroster functions. Cleans up engine compartment and at the same time allows room for engine swaps,large valve covers, etc. Covers are made in a heavy durable fiberglass with a black gelcoat. These are a bolt on installation and require no modifications to the firewall.
NOTE: These fit all 1967-69 Camaro, Firebird and 1968-79 Nova, Apollo, Omega and Ventura.