Weber #10460 3 Burner Tube Set for various Genesis & Spirit grills Weber #10460 Stainless Steel, 3 Burner Tube Set for Genesis Silver B & Genesis Silver C Grills, Spirit 700 & Spirit 700lx Grills, Genesis Gold Grills After 2001 Models. Replaces Weber Part # 3611 and 7508 Contains 2 End Burners 28" in length, a center burner 27-3/8", and 1 Crossover Tube # 85865 3/8" diameter by 12-3/4" length. Please visit Weber's website to ensure you order the correct parts for your specific grill. It is best to look up by serial #. The following link will also help you find the alpha numeric number. http://help.weber.com/schematics/#serial-number