Includes rear water outlets, nitrous bosses, a temp sensor boss that clears all waternecks, two distributor clamp locations and a heater outlet boss that's angled for proper fit over the valve cover. Accepts 1976 and later alternator and air-conditioning brackets for street installations. For square-bore carbs. The PN 7516-BP version comes with a brilliant Black plasma finish that is durable and easy to maintain. No provision for exhaust-heated chokes and no exhaust crossover. Will not fit under stock Corvette hood.