Vickraft - the welder series is a Pinto Based product - (Pinto run was 1970-1981 vs the M2 which was 1974-1978) you go ahead and use pinto parts on your vehicle.
My crossmember is a specifically built product to us GM metric (G-body and S-10) parts.
Marlo, there is a 34page instruction manual that comes with a complete list of parts (that is also in this thread about (July 3rd 2008) The crossmember comes with boxing plates, the main crossmember, two frame re-inforcement gussets, two spring perches, and optional steering rack brackets.
The problems we face today can not be addressed at the same level of intelligence we were at when we created them - Albert Einstein Or with the same level of $ - Me