ARP 134-5002 SBC Chevy 2-Bolt HP Series Main Bolts Small Journal


  • Main Bolt Style: 2-bolt
  • Fastener Style: Bolt
  • Fastener Yield Strength (psi): 180,000 psi
  • Washers Included: Yes
SKU: ARP134-5002 Category:

ARP High Performance Series main bolts are rated at 180,000 psi and a popular premium replacement for OEM fasteners. Designed to meet the exacting standards and demands of professional engine builders, ARP bolts are forged from 8740 chromoly steel and feature a reduced wrenching head, large underhead radius, and rolled threads for the utmost in reliability. The threads are rolled after heat-treating which gives them about 2,000 percent better fatigue strength than most main bolts that are threaded prior to heat-treating. Hardened parallel-ground washers are included with each kit.




Manufacturer Part Number


ARP Main Bolt Kit – SBC

Chevy Small Block 2-Bolt Small Journal

Prop65WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to