2015 to 2020 FORD F-150 Super Crew 3.5L V6 EcoBoost 4WD Only for vehicles equipped with 8" long factory U-bolts +1.0" 2004 to 2008 FORD F-150 4WD +1.0 in 2015 to 2020 FORD F-150 +1.0 inSuper Crew 2.7L V6 EcoBoost 4WD Only for vehicles equipped with 8" long factory U-bolt +1.0"Only for vehicles equipped with 8" long factory U-bols 2015 to 2018 FORD F-150 Super Crew 5.0L 4WDOnly for vehicles equipped with 8" long factory U-bolts +1.0" Only for vehicles equipped with 8" long factory U-bolts