Stock bottom end 5.3 Stock heads Lil john stg 2 turbo cam Springs and retainers Head studs and gaskets Th400 by cam powers Ptc converter Microsquirt by Shannon Taylor Borg s475 turbo and turbo kit built by my buddies in the garage All the work has been done by myself and my friends in my two car garage to include the paint The blazer weighs about 3700lbs with me in it and has been 9.60 at 142 in the 1/4 It is full interior and power windows and driven everywhere. Blazer is torn down now going twins and better engine management.