ARP-134-5601 SBC 350 4 Bolt Main Studs kit with 6 Point Hex nuts, suits 4-Bolt Mains

ARP 134-5601 Main Stud Kit — Small Block Chevy 4-Bolt Main

Eliminate main cap walk and protect your engine block threads with this premium ARP main stud kit. Built from 8740 chromoly steel and heat-treated to 190,000 psi tensile strength, these studs deliver the durability your engine build demands.

Designed for large journal crankshafts, this kit features precision J-form threads rolled after heat-treat for superior strength. Includes hardened parallel-ground washers and high-quality hex nuts — everything you need for a complete installation.

Specifications:
4-bolt main configuration
Standard hex nuts
190,000 psi tensile strength
Washers and nuts included
Complete kit ready to install

Trust ARP's proven engineering to keep your engine secure under load.