Stainless Steel Burner and Venturi Kit for Fiesta Grills Listing is for a 2-piece burner head and a twin venturi. 17.5 x 7.5625 inch stainless steel H twin burner with forward 3 inches offset gas inlets with 0 inch venturis Fits Fiesta Advantis XA34552, Advantis XA34555, Optima XT34555, XA34552, XA34555, XT34555