For F-250 applications, a 4" block can be used in place of your factory 2" block, in turn leveling the truck from front to rear, allowing use of ICON Rear Shocks.
2005-2016 FORD F250/F350 2.5" LIFT STAGE 3 SUSPENSION SYSTEM
ICON 05-16 Ford F-250/F-350 2.5in Stage 3 Suspension System
05-16 FORD F250/F350 2.5" STAGE 3 SUSPENSION SYSTEM
05-16 F250/F350 2.5" STAGE 3 SUSP SYSTEM
Ships in multiple boxes
Suspension Lift Kit
SUSPENSION SYSTEM
