Speedmaster Chevy BBC 454 Oval Port MID-AIR MidRise Aluminum Intake Manifold Black

The Speedmaster Chevy BBC 454 Oval Port MID-AIR MidRise Aluminum Intake Manifold (Model 1-147-021) is a precision-engineered intake system designed for big-block Chevrolet 454-cubic-inch engines. Built from aluminum construction with a mid-rise profile and oval port configuration, this manifold optimizes air and fuel mixture distribution for improved engine performance and responsiveness.

This intake manifold is engineered for engines equipped with oval port cylinder heads, making it an ideal upgrade for street performance, racing, and restoration applications. The aluminum construction provides durability while maintaining light weight, and the black finish delivers a clean, professional appearance under the hood. The MID-AIR design balances manifold height and port alignment for compatibility with standard engine bay configurations, making it suitable for hot rods, muscle cars, and classic vehicle restorations that demand reliable air delivery and responsive throttle characteristics.

Key Features & Benefits

• Oval Port Design: Engineered specifically for oval port BBC 454 cylinder heads to maximize flow and engine efficiency.
• Aluminum Construction: Lightweight, durable aluminum body provides strength while reducing overall engine weight.
• MidRise Profile: Mid-rise manifold height optimizes fitment and port alignment in standard engine bay applications.
• Black Finish: Durable black coating delivers a professional, finished appearance in the engine compartment.
• Big-Block Chevrolet Specific: Purpose-built for 454-cubic-inch BBC engines with compatibility for street, performance, and restoration builds.

Specifications

Ideal Applications

• Classic muscle car and hot rod engine upgrades
• Chevrolet 454 big-block restoration projects
• Street performance and cruiser applications
• Engine bay customization and restorations