Stok Grills SGA7000 Natural Gas Conversion Kit for Quattro Grills No orifice tool needed. Easy installation Works with SGP4330, SGP4331, SGP4130N Kit includes natural gas manifold and valves, 4 stainless steel burners and 15' gas hose Step-by-Step instructions included SGA7000 does not work with STOK Quattro grill models SGP4333SB and SGP4033N.