COMP Cams 4035 Ultra Gold 7/16" Diameter Solid Bar Design Stud Girdle for Big Block Chevrolet with RHS Head Ultra-Gold stud girdle for Big Block Chevrolet applications with RHS heads and 7/16 inches studs Solid bar, one-piece design ties studs together and properly locates them Constructed of 6061-T6 aluminum for light weight and anodized for durability Kits come complete with hex head adjusting nuts, interlocking set screws and all hardware