COMPLETE DRILLED SET -> AS MANY ORIFICES AS YOUR MODEL REQUIRES (2-6)INCLUDES PRE-DRILLED ORIFICES FOR NATURAL GASNATURAL GAS REGULATORQUICK-DISCONNECT HOST I NEED TO KNOW:MODEL NUMBER _____________________ IN STOCK READY TO SHIP IMMEDIATLY! These are the MAIN components for a NATURAL GAS CONVERSION ->You MAY need to purchase additional fittings. These can be purchased locally at any hardware/plumbing supply store for a few dollars.