A pair of exhaust flappers with stainless hold downs for aluminum exhaust tips. They are 3 1/8 inches in diameter and the holes are 7/8 of an inch apart. Be sure and measure yours because they are a few different ones. You will receive 2 flappers and 2 stainless hold downs. These are quality American made flapper that have 2 layers of rubber with mesh between so they will last.