Main Bolt Kit for Oldsmobile 455 cid

Main Bolt Kit for Oldsmobile 455 cidFar 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

This is a premium steel that is processed to deliver superior strength and fatigue properties

quench and temper steels – L19 requires special care to avoid hydrogen embrittlement

Specialfeatures include 1/4

L19 is a very high strength material compared to 8740 and ARP2000 and is capable of delivering a clamp load at 260

A sample chart is as follows: ARP offers a highly accurate stretch gauge with a dial indicator that reads in increments of

The less drag on the motor

To provide you with required reliability and improved performance

One of the most critical – yet often overlooked – fasteners used in any engine locks the timing in place

hard-to-reach coils)

ARP has developed these sophisticated and durable pushrods

You can forget about the problem of shearing a torque converter bolt after you install these super strong 190

each stud is placed verticallyinto special racks and precisely heat-treated to 190