1969 Chevrolet 302 Hi-performance intake manifold has performance improvements done removed section in plenum chamber for more airflow at high RPMs, nice clean original condition never sandblasted, No cracks, old repairs or welded, two concerns, is bolt thread holes one at the carburetor right front and thermostat housing bolt hole on the right the bolts drops into the hole then start screwing into the threads therefore the threads are stripped very top OK at the bottom, one model year only casting number 3932472 $400 firm