nova, camaro, firebird clips are great. they give you motor mounts,steering, etc, but you want to know what you are doing when installing them. they are not easy if done right. once you cut that frame off the truck is junk if not done properly.i generaly use mustang 11 front ends,you can use stock or aftermarket components, fairly easy to install,and tidy.
this is not gospel only my opinion. good luck on your project.