Intake manifold is cast of high grade aluminum alloy, expertly engineered and precision machined. They provide increased power, economical operation, and a smoother better balanced engine.

Equalized fuel distribution to all cylinders allows engine to operate at maximum efficiency throughout all stages of RPM.

Offenhauser Part # 2691

Fits 1936 to 1956 Dodge and Plymouth 207, 218, 230 Six Cylinder Flathead. Will fit 57 to 59 on Trucks, but front carb clearance is an issue on the 57-59 cars.