Edelbrock 3882 Performer RPM 5.8L Upper Plenum Only (includes plenum cover) is Designed for 1988-96 Ford 5.8L, EFI, truck engines, the modular design of this intake 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 satin. Use with stock or stock replacement twin throttle body. Will not fit vans.