Designed for 1988-96 Ford trucks (under 8600 GVW) with fuel injected 5.8L V8 engines, the modular design of this manifold incorporates the latest air flow technology for maximum torque gains in the mid-range. This manifold made 34 ft/lbs. more torque than stock on our test engine. Other features include: broad power range from idle to 5500 rpm; removable plenum cover that allows access to runners; base manifold is CNC port matched to upper manifold for maximum power; and accepts all stock hardware. The upper is powder-coated light titanium gray, base is as-cast. Use with stock or stock replacement twin throttle body. Street legal for 1988-96 5.8L engines. Will not fit vans.