Edelbrock part 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 Upper Plenum offers a removable plenum cover that allows access to runners. The upper is powder - coated light titanium gray. Use with stock or stock replacement twin throttle body. Will not fit vans or stock manifold base.