ARP Chevy Dart "M" Steel Main Caps outer bolts Main Stud Kit (234-5801) Optra Carrillo 4340 H Beam connecting

Carrillo 4340 H Beam connecting rods

Manufacturer's Part Number: 20-0485

Offset pins for quiet operation

Part Number: AF950-16-12BLK

ARP Chevy Dart "M" Steel Main Caps outer bolts Main Stud Kit (234-5801) Optra Carrillo 4340 H Beam connectingARP Chevy Dart "M" steel main caps outer bolts main stud kit (234 5801) ARP Main Stud Kits 234 5801 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