Engine Cylinder Head Gasket Set -- Cylinder Head Bolts Not Included; Fuel Injector Supply Tubes Included; Fuel Rail Supply Tube not Included; Cylinder Head Bolt Replacement Recommended; Use with #(s) GS33712. Contains CAC Tube Seals, Crankcase Breather Gaskets, Cylinder Head Dowel Pins, EGR Bypass Valve Gasket, EGR Cooler Core Gasket, EGR Cooler End Tank Gasket, EGR Cooler to EGR Housing O-Rings, EGR Cooler to Valve Cover Seals, EGR Inlet Tube Gaskets, EGR Out