64-8 3/8 UNC ROCKER ARM NUT SELF LOCKING
Design Feature 1 Self-locking
5/8 HEX SIZE
BUICK 1968-1996
CADILLAC 1990-2000
CHEVROLET 1955-2002
FORD 1962-1984
GMC 1960-2002
LINCOLN 1977-1979
MERCURY 1962-1979
OLDSMOBILE 1966-2000
PONTIAC 1955-1997
STUDEBAKER 1965-1966