Aeroflow Holden 304 Air Gap Dual Plane Non EFI Intake Manifold, Natural Cast Finish AF6010-4000

Get the maximum power from your carburetted engine with this Air Gap Holden carburetted cast intake manifold. This dual-plane intake manifold is designed to keep your air and fuel distribution going into the engine at a steady and even flow for maximum performance and efficiency. The carburettor-mounting pad is designed to accept aftermarket square-bore carburettors with either manual or electric choke options available on today’s market. Specifically designed for Holden 304 V8 engines operating from idle to 5500 rpm range. In most cases, these manifolds accept late model water necks, air conditioning, alternator and H.E.I. ignition systems.

Intake Runners should be port matched to your cylinder heads for optimal performance.

• Fits Holden 304 V8 Engines. Will not suit early Holden 308 cylinder heads. This is designed for late model Holden VN Engine Models Non EFI models only. Use A6010-4003 for EFI applications.

• Dual Plane Configuration.

• RPM operating range - 1500 to 6500.

• Natural Cast Finish.

• Note: This can be used with both Holden V8 cylinder heads with modifications. New holes must be drilled out in intake manifold at the correct angle and correct location. These locations are marked on the intake manifold with pilot holes predrilled.

• This intake manifold includes a blank boss on each cylinder intake runner. This can be used for EFI applications with a fuel injector or a nitrous nozzle. Each boss must be drilled out and tapped to or welded to suit your application.