S59.1. - matching numbers l78 396/375 hp engine - muncie m20 4-speed manual transmission - 12 bolt positraction rear end - one of 600 built with the l78 solid lifter engine - l78 callout on the cowl tag - cortez silver exterior - factory correct tachometer and gauges - correct am/fm radio and console - original dual snorkel air cleaner - correct exhaust manifolds - pollution equipment in trunk