C5 Parts For Sale or Wanted
These heads are 862 castings (5.3L). They were ported by Total Engine Airflow (www.totalengineairflow.com). They include Ferrea Valves,2.055 intake, 1.550 exhaust with swirl finish. They are a beautiful set of heads. Full CNC ported and NOT milled. Heads are also brand new castings from GM. No...