Main Bolt Kit for Chevrolet 90° V6

Main Bolt Kit for Chevrolet 90° V6Far superior to any other main bolts available for use in competition engines, ARP main bolts are designed to meet the exacting standards and demands of professional engine builders. Forged from 8740 chrome moly steel, all ARP main bolts feature a reduced renching head, large underhead radius and rolled threads for the utmost in reliability. The threads are rolled after heat treating which gives them about 2000% better fatigue strength than most main

You can choose between black oxide finished 8740 chrome moly or corrosion-resistant stainless steel

The engineers at ARP spent quite a bit of time developing these highly effective

and precision J-form threads rolled after heat-treat to create a fastener that has threads 2000% stronger than others

Most applications have undercut short bolts that can help eliminate head gasket failures through providing more “stretch” to compensate for the additional compression of gaskets

originally developed for NASCAR competition

Hardened parallel-ground washers are included in each kit

A hollow core serves to reduce the reciprocating mass

low-profile design

ARP offers a special version of its rugged 190

The stud kits come complete with a special locking flanged nut

Not to be used with OEM-style

Forged from 8740 chrome moly steel