1989 Riviera engine dress-up kit?

Does it even exist? I always get re-directed to sites that have dress-up kits that are listed as "1989 riviera", that look suspiciously like small block V-8 chevy sets. Anyone have one or know anymore info?

OP went on a permanent vacation!
http://img326.imageshack.us/img326/4093/threadclosedga9.gif