Music City Metals 20201 Cast Iron Burner Head Replacement for Select Gas Grill Models by Arkla, Broilmaster and Others Listing is for 1 single burner head. 19.5 x 8 inch cast iron H single burner Original venturi may not be compatible with replacement burner. Use with one of the following venturis: 70201,70301,70401,71701,72401,72601,80701.