For those of you who have been inquiring . . . It's no secret.
Anybody can say anything--
BUT .... A REAL GM LICENSED Part comes from REAL Licensed GM Restoration Parts Suppliers which are clearly defined by General Motors.
Check out the Buick section . . . Here is a copy of that list which comes directly from GM.
Link on GM website: https://www.chevrolet.com/performance/resources/li...