Our dual-plane high-performance intake manifold for the small block Ford is ideal for street performance applications. With a design that improves throttle response, as well as power and torque over a wide rpm range - 1,500 to 6,500. It is cast from lightweight aluminum and features a low profile for ideal hood clearance. Additional provisions include nitrous bosses, a rear water crossover with additional ports, and a square bore carburetor flange. Fits Ford small block 221, 260, 289, and 302 engines. Features dual-plane design with a polished finish.