Heim Joint. if you’re talking about a hardcore racing application or custom suspension set up, You’re definitely going to be looking at some type of rod end or heim joint. They are incredibly strong. Made of Chromoly steel, fully adjustable and have a stainless steel ball inside that abrogated by a Teflon liner. Engineers designed them for the maximum amount of articulation and the maximum amount of abuse. The downfall to the...

The .750" heim or rose joint has a 3/4" shaft and a 3/4" hole in the center ball. Most people will use a spacer that reduces the mounting hole to 5/8"  The 3/4" .750 rod end heim joint is the most common joint used in steering and trackbar or panhard bar applications. They are strong and can handle the forces generated by steering or axle locating.  https://www.heimjoints.net/