Chevy BBC 454 Oval Port LowRise Aluminum Intake Manifold [Polished] These are direct plug replacements

These are direct plug replacements for OEM coils

or another that's set up the same

We offer the best in differential components including this differential side adjusters

highly specialized silicone magnetic steel cores

They're so tough

Chevy BBC 454 Oval Port LowRise Aluminum Intake Manifold [Polished] These are direct plug replacementsThe 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.