General Motors option code

PX5

PX5: a General Motors factory option code reused for more than one part across 1971–1973 and 2 models — 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.

2 models · 3 model years · 4 sources

Red 1971 Chevrolet Chevelle SS two-door hardtop at a downtown car show, front three-quarter, with the single-headlamp 1971 front end, SS grille and fender badges, black hood stripes and hood pins — 1971 Chevrolet Chevelle SS sport coupe in red with black hood stripes Photo: MercurySable99, CC BY-SA 4.0, via Wikimedia Commons

Every sourced appearance

Year	Model	As named that year	Price	Installs
1971	Chevrolet Chevelle and Malibu SS	F78-14B B/B blackwall (w/o 300hp engine) / F78-14B B/B blackwall (w/300 hp engine) RPO	$17.95	Unknown
1972	Chevrolet Chevelle and Malibu SS	F78 x 14 Belted Tires / With 240 HP engine / With 240 HP engine - includes 14x6 wheels (source: seen on dealer records, not in GM's option report) RPO	$17.95	Unknown
1973	Pontiac Firebird and Trans Am	F78-14 Blackwall Fiberglass Tires (sales code GF), All Base Firebird and Esprit without Air Conditioning (582/C60) and without Space Saver Spare Tire (684/N65) RPO/UPC	$14	Unknown
1973	Pontiac Firebird and Trans Am	F78-14 Blackwall Fiberglass Tires (sales code GF), All Base Firebird and Esprit without Air Conditioning (582/C60) and with Space Saver Spare Tire (684/N65) RPO/UPC	$11.20	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.