The real deal. A single unit.
https://www.ebay.com/itm/Ford-NOS-1980-1981-1982-1983-1984-1985-1986-F150-Bronco-F250-bumper-guard-Rare/303537426956?epid=1728344967&hash=item46ac3d920c:g:1GsAAOSwoEpekXco
Another possibility [added 4/15/20]:
https://www.dennis-carpenter.com/en/trucks/body/bumpers/e0tz-17984-a-front-bumper-guard-pad-rhlh