www.classicperform.com

Check out the "Power steering kits" listed there-they use 70's-80's GM 1/2 ton box and pump.

www.classictruckshop.com

Here you will find a "How To Install" article on said kits.

Hope this helps. Best of luck with your project.

Regards,
Wannabe smile


"Don't expect anything and you'll never be disappointed"