Performer 5.8L RPM II (1500-6500 RPM)
Ideally suited for street or strip, this manifold has shown significant horsepower gains over existing designs in the same RPM range. It has a V-shaped crossover with an expanding cross-sectional area that passes over to eight large tapered runners. The upper manifold is powdercoated light titanium gray, and the base manifold is satin aluminum with rear PCV compatibility for Mustang applications.

Victor EFI 5.8L (4000-7500 RPM)
Designed for 351W-based competition engines, this manifold is built for engine displacements up to 427ci and can support over 700 HP! It has Edelbrock's race-winning air-gap feature that isolates the intake charge from the engine heat in the lifter valley. The 12.5'' runner length is optimized for sustainable power levels at 7500+ RPM. Accepts 302 Mustang fuel rails with extended crossover. Upper section is powdercoated titanium gray.