Edelbrock Thunder Series AVS or Performer Series carb, 500 cfm (see Carbs & Accessories),
Installation Notes: Port flanges have machined grooves to accept stock port seals. Carb pad height: 4.72", C.A. 2° (see page 49). Port exit dimensions: 1.78" x 1.60". Comes with treaded oil fill cap and PCV valve.