Original Grooved Rear Leaf Spring sections for 1953-62 using the 4 leaf configuration. Both of these sections are 18 3/8" long. GM #3751438. Date codes are '31 8 E' (Jan 31, 1958) and '285E0' (Oct 11, 1960). Great condition, painted black. Have been in dry storage for decades. Price is for BOTH sections.