VPW Intake Manifold EFI, Dual Plane, Holden Commodore V8 253, 304, 308, VN Heads, Aluminium, Square Bore with Fuel Rails, KitThe VPW EFI intake manifold is designed for street and high performance 308 383 c. i. d. Holden Commodore V8 engines that utilise the 1988 98 Holden VN cylinder heads. This manifold is a dual plane design that is tuned for both excellent throttle response and greater horsepower from 1500 to 6500 rpm. This manifold has been designed to fit the stock VN Cylinder Heads from 1988 1998. These are avalable in natural or black powdercoated cast aluminium.