- 2005 Factory-verified
the 2005 order guide (p.112) calls it the SS Supercharged Performance Package.
Z7B Factory-verified
Documented applications
- 2006–2007 Factory-verified
Printed in the shared table of the 2006 and 2007 lists; NICB 2006 p.23 prints the Impala SS sedan.
This page aggregates every documented appearance of Z7B in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.