565, that shaft is very clean. I would've paid a premium to have one that is designed to telescope.
G-Body, F-Body, S10 Steering Shaft
Performance steering shaft for 1979-1988 GM G-Body, 1982-1992 GM F-Body and 1982-1993 S10 pickup. Eliminates rag joint for additional header clearance and provides a precise zero play connection from steering column to steering box. Smooth telescopic shaft with upgraded vibration reducing...
www.borgeson.com