Chevrolet BB Car 396/375 HP & 427/425 & 450 HP - Intake Manifold.
New Big Block 1966-68 intake manifold #3885069. Used on all high performance
396/375 & 427/425 & 450 HP Chevrolet models, with correct "W" snowflake, Winters castings. Replaces GM #3885069. Rectangular port.