/6 to 360 questions
The earlier A bodies can use that kit easy. Later A bodies have a problem with it. It is the spool type vs the sandwich type mounts where the spool throws a wrench in the works.
Look here and see what I am doing on a '74 Duster for tips;
http://www.forabodiesonly.com/mopar/showthread.php?t=10508&page=1&pp=20
Theres a bunch more in that section to also take a peak at.