"Gord, this unit is an original Sway bar from the era used on panel trucks. 1/2 ton trucks never received sway bars."
Presumably, you are referring to pick-up trucks?
1/2 ton GM (GMC/Chevrolet) panel-body trucks (panel, suburban, and canopy express" had (as standard equipment") a "ride stabilizer" (a "sway-bar", or, ""anti-sway bar" (47-55st).
