GM #9832127 Firebird gaskets - both sides. Locating pin to left, thin side of gasket up.
GM #9832126 Camaro gaskets - both sides. Locating pin to left, thick side of gasket up.
Repro using #9832126 for both cars, locating pin missing, equal thickness so both models will have mirror tilt. (early OER?)
Repro using #9832126 for both cars, locating pin missing, angled fit like originals for either model and flipped as required, 50% thicker than stock. (later OER)
Repro using #9832127 now appearing, unknown details but sellers still confused and list Firebird/Camaro like everything else.