Independent · Source-led · American performance history Issue 01 · 1951–2023
American Muscle Car Facts

Showroom arguments.
Race-bred answers.

General Motors option code

Z24  — SS427

Z24 (SS427): a General Motors factory option code recorded on 1 model across 1967–1969, with installs and price where a source states them.

1 model · 3 model years · 4 sources

Blue 1967 Chevrolet Impala SS 427 fastback hardtop with its hood raised at an indoor car show, front three-quarter, showing the SS 427 grille badge, crossed-flags fender emblem and Rally wheels with red-stripe tires
1967 Chevrolet Impala SS 427 sport coupe in blue at an indoor show Photo: Greg Gjerdingen from Willmar, USA, CC BY 2.0, via Wikimedia Commons

Every sourced appearance

Year Model As named that year Price Installs
1967 Chevrolet Impala SS SS427 package RPO Unknown 2,124 Reported
1968 Chevrolet Impala SS SS427 RPO Unknown 1,778 Reported
1969 Chevrolet Impala SS SS427 RPO Unknown Unknown

Every row traces to the source it links from on that model's own year page; this table only collects them in one place.