Used When Converting Sluggish Factory Power Steering To 605 Or 500 Systems Converts Your Original Intermediate Shaft By Modifying The Copper Flange To A Traditional Cast Rag Joint Must Be Roll Pined And Weld To Your Factory Shaft Fits GM Steering Box Input Shaft With 3/4-30 Or .728 Diameter This El Camino replacement rag joint has been manufactured to meet or exceed factory specifications and performance. You will find the fit and function will work perfectly for your vehicle. You will also be pleased to know that the El Camino Store has sourced this rag joint among other possible parts as the best choice for your repair or restoration project.