The all new Vintage Air Gen-IV Sure Fit Camaro/Firebird air conditioning, heating and defrost systems are a major step forward in performance aftermarket climate control systems. The Gen-IV systems feature all electronic controls requiring no cables, capillary tube or vacuum connections. They are truly "fly-by-wire". These Gen-IV systems use separate heating and cooling coils for superior performance. The internal air control doors are servo operated to provide infinite dash, floor and defrost blending.