- 1997–2004 Factory-verified
the 1997–1998 lists print "P275/40ZR18 ... SBR HW4" without the index; the 2003–2004 lists print "94Y,BW"; 2003 order guide: extended mobility tire for coupe and convertible, not the Z06
GM Heritage factory kit — 2003 Chevrolet Corvette, p.116.GM Heritage factory kit — 2003 Chevrolet Corvette, p.127.
YGH Factory-verified
Documented applications
This page aggregates every documented appearance of YGH in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.