Description: GM 90 V6 rocker arm stud kit Pkg: kit Pkg Type: skin Material_1: 8740 chrome moly Finish_1: black oxide Material_2: N/A Finish_2: N/A Origin: USA Category: Cylinder Head Product Line: Rocker Arm Kit Type: StudARP 100-7201 Rocker Arm Stud Kit - 16 Piece