4" 4LINK SYS W COILS & 2.25 DL RESI FRT AND DL RR SHKS 17 21 FORD F250 350 4WD D 2004 ford f 150 lariat esi8134004 Based on FOX race products DLJD_110170166 Based on FOX race products the shocks have been redesigned to transform your BDS equipped truck into a formidable off road machine delivering a predictable ride and capable of handling the roughest conditions with fade free performance the Revolver X4s bed cover achieves a new level of refinement for your truck Fabtech's 4 Link Conversion system for the Ford Super Duty has been designed to provide improved on road performance with the ability to tackle the most rugged offroad terrain These Dirt Logic shocks have been ride tuned to the vehicle with the Fabtech Coil Springs and oversized tires for an excellent ride quality both on and offroad