Reproduction Standard Type Frame Mount Axle Bumpers (Bumper Only) for most 70-73 E-Bodys/71-73 B-Bodys. NOT used on 70 E-Bodys with 340 6-Pak Engines or those equipped with the Dana 60 Rear Axle. Replaces OEM Part #3400843. Made to Original OEM Standards for Quality and Fit. Sold in Pairs only.