ARP Main Stud Kit Toyota MR2 4AG (203-5403) Oil Pump Bolts & Studs SFI Rating: SFI 18

SFI Rating: SFI 18

Aeeroflow Performance has constructed this durable

2-Piece forged aluminium construction

8mm Rod Length Oversize Standard Length Bore Diameter 87

ARP Main Stud Kit Toyota MR2 4AG (203-5403) Oil Pump Bolts & Studs SFI Rating: SFI 18ARP Main Stud Kit Toyota MR2 4AG (203 5403) ARP Main Stud Kits 203 5403 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 ground washers and