Skyjacker Softride 4-inch rear springs for 1966–1977 F-250 Highboy applications deliver lift while keeping ride quality manageable on pavement. Built from American steel as progressive multi-leaf packs, these springs use bolt-style clips to eliminate friction, provide load capacity equal to or greater than OE, and are backed by a limited lifetime warranty for long-term service.
Skyjacker 4" 66-77 F250 HIGHBOY,2.25W