The one on the right is the retainer which holds the Rad support bushing /bolt/washer assembly in place during the body drop.
James the one on the right is a disc brake pad clip isn't it?
I was wrong about radiator overflow hose bracket...I am not sure what the thing on the left is used for
'69 RS Z/28 Olympic Gold, 711
Flat hood no spoiler, black top, endura, 4:10
69 X77 Z/28 69 711 Original Paint Unrestored
'69 X66 Convertible Cortez Silver 712 black top Endura, auto, bumper guards, am/fm rear speaker 44k miles