Over time the area on the clutch shaft or "Z" bar where it mounts at the pivot studs will wear and allow play. You will notice a marked improvement in clutch movement after replacing your original with one of these perfect reproductions. # 344 will work on any 1956-1957 classic Chevy. Remember to replace the pivot studs too!
Trust the Tri-Five Experts for all your 1955, 1956 & 1957 Chevy Parts.