Holley 300-256BK: 300-256BK Split-Design Race Intake Manifold
GM LS Cathedral Port
Split-Design Race Intake Manifold Fits GM Gen III, IV LS Engines with LS1, LS2, LS6 Cathedral Port Cylinder Heads Carburated Applications Single Plane 4150 Square Bore Flange Cast Aluminum Black Finish For Off-Road Use Only