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Designed for 396-502 big-blocks with rectangle port heads. This manifold is a dual plane, high-rise intake with a 180-degree firing order. Made to produce high top-end horsepower and retain throttle response. This manifold has larger plenums and runners to match the free flowing exhaust, high lift cams, etc. Intended for performance engines running up to 6500 rpm.
Mother's Day Sale!