okay, i just got off the phone with them. for the 69 Firebird the long branch units are needed and they do Not make them for round port heads. And they do not know any way I can get them
86 Pontiac 2+2 69 Firebird Coupe(Under Construction) 69 Firebird 4 speed Vert Driveable but Under Construction 64 1/2 Mustang (Under Construction) 86 Z28 Convertible Weekend driver