Chevrolet Performance 12363406 - Intake Manifold Oval-Port, square bore, Holley Carburetors

• Same as manifold P/N 12363420 (see above), but designed for use with a Holley carburetor • Dual-plane design requires bolt kit P/N 12367959, which includes 16 bolts (8740 chrome-moly 3/8-16 x 1.5" with 3/8" hex head and 16 5/8" O.D. washers), and manifold gasket kit P/N 12366985 • Accepts air conditioning and alternator brackets and a latemodel water neck