3" BUDGET SYS W PERF SHKS 14 18 GM C K1500 P U W OE ALM OR STMP STL UCA. 2018 ram 3500 big horn esi1179502 including Rough Country's nitrogen charged N3 2020 chevrolet silverado 1500 custom esi3486175 including Rough Country's nitrogen charged N3 shocks or high performance M1 Monotubes and 16 gauge mandrel bent stainless steel tubing with provisions for OEM emissions The front differential is relocated to keep CV angles proper with the new lift height while a 1 4in thick steel skid plate provides protection against offroad obstacles The stock upper control arms are replaced with thick wall DOM tubular arms that feature heavy duty extended range ball joints