GM 305 cylinder heads 85-89 yr - $150 (lexington)

85 - 89 GM 305 T B I HEAD, LOOKS REBUILT TO ME GOT THESE FROM A SHOP THAT CLOSED THEY LOOK A LITTLE DIFFERENT, ONE IS A 305 V8 HEAD SAYS GM 12558059 H197 VALVE SIZE IS 47 MM INTAKE 38 MM EXHAUST $150 PER HEAD THE OTHER HEAD IS 49 MM INTAKE 38 MM EXHAUST SAYS E99 GM 462624 $150 PER HEAD