Chevy BBC 454 Oval Port LowRise Aluminum Intake Manifold [Black] The body is alloy machined

The body is alloy machined finish

Speedmaster radiator overflow tanks are both functional and stunning to look at

They have injector bosses precisely positioned and machined for excellent fuel spray patterns and maximum power

now impeccably paired with FiTech's sophisticated computer technology

Chevy BBC 454 Oval Port LowRise Aluminum Intake Manifold [Black] The body is alloy machinedThe 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.