Please purchase the item according to the part number

Item: ARP FOR GM 3/8 X 1.975/4.660 12pt SS starter bolt kit

Part Number: 430-3508

ARP

Today, ARP’s product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline and throughout the suspension and frame. These range from quality high performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, NASCAR and NHRA drag racing and marine applications.