I was browsing around some Sy/Ty sites and found a place that sells 255 "High pressure" walbros for our trucks for $210 (instsall kit included).

http://www.autoperformanceengineering.com/
On the left click under Fuel Pumps "In-Tank" and then click "Vehicle Applications and Prices" and scroll down and you will find "'99 -'02 Ford F150 Lightning"

Just lettin you all know...