4" RAD ARM SYS W/COILS & PERF SHKS 17-21 FORD F250/F350 4WD DIESEL.

Our patented Radius Arms feature a full tubular structure strengthened by dimple die side plates, with an adjustable alignment cam at the axle to allow caster adjustment. Front spring lift options includes 6'' replacement Coil Springs. Completing this system is a Trac Bar relocation bracket, Pitman Arm, Sway Bar drops, and a rear Block & U-bolt kit. This kit includes front and rear Performance Shocks.This Part Fits: Year Make Model Submodel 2017-2018,2020-2021 Ford F-250 Super Duty King Ranch 2017-2018,2020-2021 Ford F-250 Super Duty Lariat 2018,2020-2021 Ford F-250 Super Duty Limited 2017-2018,2020-2021 Ford F-250 Super Duty Platinum 2017-2018,2020-2021 Ford F-250 Super Duty XL 2017-2018,2020-2021 Ford F-250 Super Duty XLT 2017-2018,2020-2021 Ford F-350 Super Duty King Ranch 2017-2018,2020-2021 Ford F-350 Super Duty Lariat 2018,2020-2021 Ford F-350 Super Duty Limited 2017-2018,2020-2021 Ford F-350 Super Duty Platinum 2017-2018,2020-2021 Ford F-350 Super Duty