Holley Single Plane EFI Split-Design Intake Manifold GM LS1/LS2 Black 300-255BK lighting-and-lamps 4L V8 1976 - 1977

4L V8 1976 - 1977 GMC K25 Suburban 454/7

50 inch Emission Code 4 Header Finish Silver Ceramic Header Style Block Hugger Primary Tube Dia

Std Cab/8' Bed and Crew Cab/6' Bed trucks only

9L V8 1979 - 1980 Dodge B300   360/5

The complete system consists of a CD Ignition Box

Holley Single Plane EFI Split-Design Intake Manifold GM LS1/LS2 Black 300-255BK lighting-and-lamps 4L V8 1976 - 1977Overview: The new Holley Single Plane Race intake manifold were designed with performance in mind. They feature a race bred, two piece split feature that was previously only found on the most expensive race intakes. The manifold will fit GM LS Gen III engines with cathedral port heads and are intended for 4150 style square bore flanged carburetors or throttle body EFI. The LS Race single plane intake manifold was designed for hi performance racing