There was a bull bar and bed bar built for the crew cab s-series, available in the South American market.
Nothing in the US though.
Check out what others have done to mount lights to the roof rack and at least one has built their own light bar.
"Speed doesn't kill, suddenly becoming stationary does." - Richard Hammond "Speed is just a matter of Money - How fast do YOU want to go?"-Mechanic from Mad Max- If at first you don't succeed - Don't take up Skydiving! - ThunderIIKE7CSK