The original goal of the Thuren 1994-2013 "Xtra-Soft" front coils coils was to address the HEMI and Power Wagon trucks, but these are PLENTY durable to be used as an extra soft front coil on the Diesel trucks also.
We actually prefer these XS coils on the 1994-2002 Diesel trucks over the true Diesel 2" and 3" coils, as the 2nd gens are qu