http://www.summitracing.com/parts/rnb-83232

http://www.steeringcolumnservices.com/gm...el-cam-tilt.php

I know NAPA and Carquest and probably most parts stores that have that part and it will usually be in a Help section or where there is a lot of blister packs of common items that need replaced like door hinges, power window switches etc.