Weber® Summit® 400 Series Stainless Steel Flavorizer Bars. Replacement heavy-gauge stainless steel bars (seven 157/8 inch bars) outlast coated traditional porcelain-enamel bars. Fits pre-2000 Weber® Summit® 400, 425, 450 and 475 grills.072565 is Weber #9920. If you have a 2008 or later Summit® 420, 450, 460 or 470 grill you will need a different set... however, they should still be under warranty! Summit®s from 2000 to 2007 have a diffent naming convention and may use different bars. Photo is just a set of stainless bars and does not show this exact set.