plug & play head lights

I have a 73 duster but would like a brighter head light that is in the car now. Is there a head lamp out there that I can put in place of the stock one's maybe led that can just plug into the connection's in the car. Life's been busy the car has been ready for 4 year's ready to go. IT'S NOW TIME TO GET back into the circle & get back on the road & back to for a bodies only a great site to catch up thank's