for the needs of rebuilding or replacement etc.. these seat assemblies come with the springs for base & Back as shown.
They do not include tracks as they vary depending on floor pans
They are special order only .. allow normally a few weeks for supply.
LH is USA Drivers Side.
Can be supplied without the springs also and saves a few hundred dollars each.
Replacements for Chevelle, GTO, Cultass, Pontiac Full Size Catalina / Bonneville, Chevy FULL SIZE Impala Belair, .. GM BOP.