Description
Brand: ARP
Manufacturer’s Part Number: 156-5001
Part Type: Main Cap Fasteners
Product Line: ARP High Performance Series Main Bolts
Automotive Fittings Part Number: ARP-156-5001
UPC: 672036038120
Main Bolt Style: 4-bolt
Fastener Style: Bolt
Fastener Nut Style: Standard 12-point
Works with Windage Tray: No
Fastener Tensile Strength (psi): 180,000 psi
Nuts Included: Yes
Washers Included: Yes
Quantity: Sold as a kit.
Notes: Designed to fit early aluminum M8 production engine blocks. Side bolts only.
Description:
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.
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