Sunvisor Bracket: 1959-63 Full Size (pr)Type 1: This is perfect replica of the chrome early series sun visor brackets for the 59 thru 63 full size cars like Parisienne, Impala, Belair & Laurentian and more GM big series cars. Do not over tighten the clamp thread.. Do not over tighten the clamp thread. .. Again do NOT over tighten the clamp thread. . maybe use some thread tape around the end of your sun visors nibs to take up some slack.. they crack easily. .. then you get cranky.! This is a