LS Arias hemi as cast fully assembled aluminum heads, Manley 2.25 x 1.60 stainless steel valves, PAC valve springs, matching as cast Arias intake manifold, Arias forged pistons, 1.85 intake and 1.75 exhaust ratio shaft mount rockers, Arias valve covers, header flanges, carb. adapter of your choice, valley tray, custom length head stud kit, Cometic mls head gaskets, spark plug tubes, breathers, all parts are new, 12000.00