ARP 100-7713 Wheel Stud Kit for Late model GM. Camaro. Firebird. Corvette M12 X 1.50" ymm_32 380˝ 6) Socket Size 1/2

380˝ 6) Socket Size 1/2 12pt 7) Collar Diameter 0

3/16 Allen Material: 8740 Chromoly

this is an optional product that covers the stock heat insulation

3/8 hex Finish: Black

ARP 100-7713 Wheel Stud Kit for Late model GM. Camaro. Firebird. Corvette M12 X 1.50" ymm_32 380˝ 6) Socket Size 1/2Specifications Knurl Diameter UHL Knurl Length Nose Length Diameter Pitch Wheel Stud Hole Size Cast Iron Steel Hub Cast Iron Steel Hub Drill Bit Size (actual dim.) Wheel Stud Hole Size Aluminum Hub Aluminum Hub Drill Bit Size (actual dim.) * The nearest standard drill bit is too small. You will need to use an appropriately sized reamer to enlarge the drilled hole until it is within the tolerance for the material.