Perma-Loc™ Rocker Arm Adjusters For Stamped steel rocker

Perma-Loc™ Rocker Arm Adjusters For Stamped steel rockerOne of the more aggravating things found in many high performance engines is constantly having to re adjust rocker arms. Until ARP introduced the patented Perma Loc adjuster, there wasnt a poly lock on the market that you didnt have to continually tighten. There are several important reasons why ARPs exclusive Perma Loc rocker arm adjusters wont loosen like others. First, the adjuster body is heat treated all the way through (not just case hardened).

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

You’ll note that the studs have a radiused bullet nose that serves to locate the pan rails

It’s a proven fact that OEM head bolts are the weak link in a diesel engine

the bolt should be replaced immediately

drive ratchet orbreaker bar to facilitate rotating the crank assembly

Precision rolled threads prevent galling while promoting more consistent torque loading

or use the chart on page 25 of thiscatalog for ARP fasteners

has been applied

marine and drag racing engines – including those with superchargers and/or nitrous oxide injection systems – ARP offers replacement rod bolts in three different models

This helps prevent blown head gaskets

Finish: Cad

Simply stated