Chevy BBC 454 Oval Port LowRise Aluminum Intake Manifold [Polished] Additional fittings may be required

Additional fittings may be required depending on your application

The shifters have stamped components to ensure smooth

If it has to seal right the first time Speedmaster has what you need

They are an economical solution to replacing failure-prone stock supports

and you can choose between plain polished

Chevy BBC 454 Oval Port LowRise Aluminum Intake Manifold [Polished] Additional fittings may be requiredThe Speedmaster LowRise Manifolds are our lowest profile manifold and is also the only one that is street legal on pollution controlled vehicles. It is set up to accept a spread bore carb but comes with an adapter plate that permits the use of square bore carbs. To remain street legal with a square bore carb, you must use one that is also approved as street legal for your application.