OER SU9761Z Features:

This is the rear coil spring hold down clamp for rear end. New reproduction this factory mounting clamp that holds the rear coil spring to the rear end. Without these clamps, your spring will make a "clunking" noise when driving or going over bumps, or your spring can fall out completely. Fits various 1964-66 GM vehicles including Chevelle, GTO and Skylark models. Sold individually.