This design points the injectors at an angle to match the intake runner airflow angle. The fuel injector bores have back-cut exits in the runners for better fuel atomization. The isolated design of the air/fuel passages helps to increase charge air density and performance. These intake manifolds are designed to accept most stock hardware and accessory brackets, but offer performance features like an updated plenum divider area, a 1" shorter overall height than most single plane manifolds, and a choice of two distributor clamp locations. The manifold is designed to work with 4150 Style Throttle body EFI systems like the Holley 4150 style 112-587 and 112-588. The new single plane EFI (Electronic Fuel Injection) intake manifold is designed to provide a broad RPM powerband for high-performance street/strip engine applications to a maximum engine speed of 7500 RPM.
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