New parts from bbq factory Replacement KitchenAid 720-0733A 4 Burner Gas Grill Multi-Parts Replacement Kit 4-pack; Burner Dimensions: 16 15/16″ x 1″; Burner Material: Porcelain Steel; Heat Tent Dimensions: 16 1/8″ x 3 1/4″; Heat Plate Material: Porcelain Steel; Intensive holes for better flame effect. Cooks better! Lasts longer; Extend the life of your grill; Exact-fit parts;