ARP Extended Wheel Studs 9.5" spring our engineers developed a proprietary

our engineers developed a proprietary retainer which seamlessly fits all spring rates

Springs - Barrel Type - 10" Length - ID 2

Swift Round Wire Helper Springs 3" ID (76mm) (Sold in Pairs)

5 inch inner diameter

Evolved from the Rev seat

ARP Extended Wheel Studs 9.5" spring our engineers developed a proprietaryARP's heat treated 8740 chrome moly wheel studs are a much needed replacement for any car engaged in oval track or drag racing competition. They have a tensile strength of 200,000 psi and are able to easily handle the tremendous acceleration shock loads (shear) and lateral forces (elongation) found in racing. The studs are sold in 5 packs and are cadmium plated for extra durability. Information from ARP.