The Steering Coupler - NAPA Part # 630-1008,[Steering Coupling Disc] works as a replacement. The pinch bolt takes a 3/8 12 point socket. Richard Maxon / R3266 May 2008 ------------------------------------------- 19 Jul 2018 P# 1557139 spline and connector, Saginaw for 62-63 Chevrolets Ref http://forum.studebakerdriversclub.com/showthread.php?106963-Avanti-rag-joint-steering-coupler Also dorman 31000 universal ---------------------------------------------