Chevy BBC 454 Oval Port LowRise Aluminum Intake Manifold [Polished] Pontiac Firebird

Pontiac Firebird

Manufactured with lightweight aluminum technology

and use low-resistance terminals for maximum conductivity

Although the GM heads are good pieces

Chevy BBC 454 Oval Port LowRise Aluminum Intake Manifold [Polished] Pontiac FirebirdThe 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.