Super Sport (oddly 1970 most build sheets list ZL3 instead of Z25)

Years 1969–70 Models 1 Factory citations 4

Also described as SS 396 Equipment package

Documented applications

1969–1970 Factory-verified

GM Heritage factory kit — 1969 Chevrolet Chevelle, p.83.
GM Heritage factory kit — 1970 Chevrolet El Camino, p.23.
1969–1970 Factory-verified

SS became an option package (previously its own series 1964–68); base engine L35/L34 396

GM Heritage factory kit — 1969 Chevrolet Chevelle, p.83.
GM Heritage factory kit — 1970 Chevrolet El Camino, p.23.

This page aggregates every documented appearance of Z25 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.