OEM 4-bbl. Edelbrock Thunder Series AVS or Performer Series carb, 600-650 cfm.
Installation Notes: Do not use competition style intake gaskets for this street manifold. Due to material deterioration over time, internal leakage of vacuum, oil, and coolant may occur. Recommended intake gasket: Fel-Pro Print-O-Seal or OEM equivalent. Manifold height: A-2.95", B-4.50"; Carb pad height: 3.73". Port exit dimensions: 1.03" x 1.88".