Heater Core: 70-81 Camaro / Firebird TA WITH A/C - COPPERThis new copper heater core is designed for second generation Camaro and Firebird Trans Am models equipped with factory air conditioning or originally fitted with AC. Note: Multiple quality levels of this heater core are available on the US market. The most expensive option is the traditional copper type, but you can choose between copper or alloy versions, both offering reliable performance with minimal issues. THERE IS ALLOY made that are just as