[HN376RAR]

Looks like GM is moving the Performance Build Center (Now called: GM Performance and Racing Center) from Wixom, MI to Pontiac, MI:

http://www.clickondetroit.com/news/general-motors-starts-building-race-engine-development-facility-in-pontiac/25738642

The PBC is where they used to build the Z06, ZR1 and XLRV engines.