ARP 1JZ/2JZ Main Studs

Toyota 1JZ/2JZ ARP main Studs

ARP only uses premium grade 8740 alloy. An alloy that are rated far superior to “aircraft” quality alloy steels. Each stud is placed vertically into special racks and precisely heat-treated.

8740 is commonly used for standard motorsport applications

For extreme applications CA625+ is recommended