3 "Leveling kit x 2. Rear Air Helper Spring Leveling Kit fit Ford F250 F350 Super Duty 2005 06 07-10. Rear Air Springs 7500lbs Bags Kit for Ford F250 F350 F450 4WD 17-19. Front Drive Shaft Driveshaft Assembly for Ford F250 F350 6.0L 6.4L 4WD 2003-2010.