General Motors option code

LT4

LT4: a General Motors factory option code reused for more than one part across 1974–1976 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 · 0 sources

White 1974 Chevrolet Chevelle Laguna Type S-3 Colonnade coupe with burgundy lower-body paint and pinstripe, Laguna S-3 grille and pillar badges, 454 fender badge and Rally wheels, parked on grass at a car show — 1974 Chevrolet Chevelle Laguna Type S-3 in white with a burgundy half-vinyl roof and 454 badge Photo: MercurySable99, CC BY-SA 4.0, via Wikimedia Commons

Every sourced appearance

Year	Model	As named that year	Price	Installs
1974	Chevrolet Chevelle and Malibu SS	Turbo-Fire 400-4 V8 RPO	$162	Unknown
1974	Chevrolet El Camino SS	Turbo-Fire 400-4/SE (requires M40 and YF5) RPO	$97	Unknown
1975	Chevrolet Chevelle and Malibu SS	400-4 bbl V8 RPO	$113	Unknown
1976	Chevrolet El Camino SS	400-4 BBL V8 (includes M40) RPO	$148	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.