High Country package

Years 1987–89 Models 1 Factory citations 3

Also documented for GMC

Documented applications

S-10 Blazer — First generation (1983–1994)

1987–1989 Factory-verified

requires YC2 or YC3; AA3 glass, gold painted cast aluminum wheels, exterior black-out package, D44 mirrors and VE6 bumpers

GM Heritage factory kit — 1987 Chevrolet S 10 Blazer, p.44.
GM Heritage factory kit — 1988 Chevrolet S 10 Blazer, p.10.
GM Heritage factory kit — 1989 Chevrolet Blazer, p.15.

This page aggregates every documented appearance of YH9 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.