COMP Cams 7 Degree Valve Locks 5/16" 931021 1980-1985 GMC G1500

1980-1985 GMC G1500

Their purified Alumina insulator prevents arcing / and their machine-rolled threads protect heads

These are designed longer than factory arms

The OE bushings are designed with air pockets and are made from soft rubber

Designed Specifically for Youth

COMP Cams 7 Degree Valve Locks 5/16" 931021 1980-1985 GMC G1500COMP Cams 7 Valve Locks 5 16" 628 16 Machined Valve Locks Steel 7 Degree 1 Groove 5 16" Valve Stem (Set of 16) The COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development. One thing COMP Cams has never forgotten: Performance is defined by what happens out on the race track. Because no matter what happens on a dyno or in a computer model, if that theoretical performance