Music City Metals 20502-75062 Cast Iron Burner Replacement for Select Great Outdoors Gas Grill Models Listing is for a twin burner head and a twin venturi. 15.875 x 8 inch cast iron H twin burner with 1.25 inches offset gas inlets with 1.5 x 5.5 inch venturis Fits Great Outdoors 1000, 1000K, 5500, 5500K, 8000, 8000 series, 8100, 8500