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The COMP Cams CB 321Jr-12 camshaft is a Super Comp grind aimed at large-displacement, high-stall bracket engines around 500+ ci and suitable for 5,000+ rpm stall converters. Some 1965–66 396 ci BBC models have an oiling groove in the rear journal and will not accept the listed cams; contact 1-800-999-0853 for correct options. Use a melanized or nitrided distributor gear for compatibility.
COMP Cams Camshaft CB 321Jr-12
