I am looking for some info on putting a four link or triangulated four link setup on a 46 Chev pu with a 10 bolt rear end. Anybody know of an inexpensive dealer and maybe some good tips. Thanks

Try checking out some of the truckn mag's, they have some that bolt right into the older trucks.

inexpensive and suspension kits do not generally go together

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Save the earth , choke a tree .... save a squirrel

If it for the street , you might want to consider ladder bars and coil overs , the four link is more adjustable , but it will rattle more because of the number of heims.
And none of it ain't cheap.
JMO

How about making your own 4-link. Try www.suicidedoors.com, They sell 4-link parts so you can built a suspension to suite your ride. The prices seem reasonable too. End links, bars and brackets. They seem to have it. I'm going to purchase the urethane end links soon from them to fabricate my own 4-link for my 66 chev truck. Just thought I would give you another route to go. Good luck!!