The 70 - 81 Pontiac Firebird / Trans Am HVAC system interior ductwork, controls, and assorted related parts, can be difficult to locate online. During your restoration or simply maintenance of the system and much needed items, Hawks Motorsports makes this easy for you. We do this offering a huge section of the various components which make up the HVAC cabin related parts. You'll find below, new or used GM parts, to custom items to increase the efficient cabin heating and cooling: HVAC controls, down to the buttons etc. Simply put we carry it all for you in one place, Hawks Motorsports.