Top ported Masterflame 2-1/4" X 17" stainless burner assembly. Venturi tube spacing is 2-3/8" (center to center), tube reach is 5-1/4" (measured from the end of the venturi tube to the center line of the vertical part of the tube) and the tube drop is 1-3/8" (measured from the bottom surface of the burner to the bottom of the venturi tubes). Fits 1999 to present 5000/6000 models. Ships as shown, which includes ignitor collector box and electrode.