It was a Ford Option/part
My 1986, (ordered by me from Patalano Ford) back in 1986 did come with that style chrome bumper.
I saw the Flareside truck while still on the transport truck being off loaded onto Patalano's lot...
1986 F-150 Flareside 4x4, 351, 4-v, ZF5 speed. AC, Cruise, Tilt, Slider, Digital clock, Radio, Lariat seat, Pwr doors/locks