COMP Cams 7/16" Hi-Tech Poly Lock Valve Stem Core Tool 1/16" NPT male thread to

1/16" NPT male thread to -4AN male

1973-1987 Buick Regal

DIGICAM is a precise and easy to use tool that eliminates trying to accurately read a degree wheel

6 AN Straight to 6 AN 90 Degree Female

1986-1990 GMC C2500

COMP Cams 7/16" Hi-Tech Poly Lock Valve Stem Core Tool 1/16" NPT male thread toThe best polylock for high end race applications, this Hi Tech polylock is designed for 7 16" Ultra Pro Magnum and Ultra Pro Magnum XD rockers. 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,