Eckler's Premier Quality Products 57133310 Chevy Axle Bumper Differential Pinion Good Quality Reproduction Rubber Pinion Bumper Mounts On Bracket Above Rear End Eckler's Classic Chevyhas the replacement rubber snubber to attach to your existing bracket which keeps the rearend from denting the floor pan Reproduction Bracket Available As Our P/N 31-344 Chevy Axle Bumper, Differential Pinion, 1955-1957