General Motors option code

Z54

Z54: a General Motors factory option code reused for more than one part across 1973–1975 and 1 model — see the table for what it named each year, with installs and price where a source states them.

General Motors reused this code for more than one part over the years — read the "as named that year" column for what it meant on each row rather than assuming one meaning throughout.

1 model · 3 model years · 0 sources

Blue 1973 Chevrolet Nova SS coupe with white side stripes at an evening car show, front three-quarter with the hood raised over a chrome-dressed V8, showing the 1973 SS grille and SS fender badge
1973 Chevrolet Nova SS coupe in blue with a non-factory 454 badge, hood open Photo: Bull-Doser, public domain, via Wikimedia Commons

Every sourced appearance

Year Model As named that year Price Installs
1973 Chevrolet Chevy II and Nova Interior Decor/Quiet Sound Group (standard on Custom) RPO $33 Unknown
1974 Chevrolet Chevy II and Nova Interior Decor/Quiet Sound Group (standard on Nova Custom) RPO $33 Unknown
1975 Chevrolet Chevy II and Nova Interior Decor/Quiet Sound Group (standard on Nova Custom and LN) RPO $39 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.