ARP BB Chevy 4-Bolt w/Alum Block Main Stud Kit (135-5603) Ssangyong Traditional tri-metal copper based CA

Traditional tri-metal copper based CA bearing

Part Number: AR230-2202

Stealth Ride Part Number: ARP-656-5250

4G63T (7-Bolt Evo 9) Bore Diameter 86

ARP BB Chevy 4-Bolt w/Alum Block Main Stud Kit (135-5603) Ssangyong Traditional tri-metal copper based CAARP BB Chevy 4 bolt w alum block main stud kit (135 5603) ARP Main Stud Kits 135 5603 ARP main stud kits help eliminate main cap walk fretting and protect the threads in your engine block. They include studs made from 8740 chromoly steel and heat treated in house to 190,000 psi tensile strength rating. The precision J form threads are rolled after heat treat for much stronger threads than the competition. Kits come complete with hardened parallel