Holley Intake Manifold 300-255; EFI Split-Design Single Plane Satin for Chevy LS

Intake Manifold Series:EFI Split Design Race. The 300-261 intake manifolds are designed for square-bore carburetor applications on 1957-086 262-0400cid Small Block Chevrolet engines and SBC engines equipped with 1987-91 L98 aluminum Corvette cylinder heads (non-EGR applications).