Yep they make 3" drop torsion keys and you just need blocks for the back. My roommate lowered his 4wd 4 door jimmy and it turned out awesome, he bought them from ebay. Go check it out. www.cardomain.com/id/98pewterjimmy Theres also installation instructions on www.blazinlow.com i believe,,, or could be on s10forum.com i cant remember.