Bolt M8, Alternator Bracket to Cyl Head, for 90~95 ZR-1 LT5. Sold individually, one (1) bolt is required per engine. This bolt is for the bottom end of the upper alternator bracket (diagram #6) which also goes through the oil filter adapter before screwing into the cylinder head.
See part #11 on the diagram below.
NOTE: This is a NEW, GM OEM part.
NOTE: The GM parts manual incorrectly indicates this bolt as being 50mm long, whereas it should state 70mm instead.