Perma-Loc™ Rocker Arm Adjusters For Aluminum rocker

Perma-Loc™ Rocker Arm Adjusters For Aluminum 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

with handy 12-pointor standard hex heads

They have a tensile strength of 190

For the most severe applications

This eliminates the thread “movement” common to others

which makes for amore consistent clamping force – and one that compensates forhead gasket compression when the cylinder heads are installed

all ARP main bolts feature a reduced renching head

Alternators that come loose are a pain

with ARP’s exclusive (and patented) Wave-Loc technology providing substantial benefits

all ARP 12-point nuts are constructed from 8740 chrome moly steel or ARP Stainless

allowing forslight misalignment

ARP sprint car drive pins feature a broached hex for ease of installation and proper pre-load while the rounded end facilitates quick