Speedmaster Chevy BBC 454 Rect Port Dominator High Rise Intake Manifold w/ Inj Ports Polished

The Speedmaster Chevy BBC 454 Rect Port Dominator is a high-rise intake manifold engineered for big-block Chevy engines with rectangular port heads. This polished aluminum manifold features injection ports and is designed to deliver improved air distribution and flow characteristics to the combustion chambers. The Dominator series represents a performance-focused approach to intake manifold design, making it ideal for builders and enthusiasts seeking increased horsepower and throttle response in street, strip, and track applications.

Constructed from quality aluminum and finished in a polished surface, the PCE148.1012 integrates seamlessly with BBC 454 engine platforms that use rectangular port configurations. The high-rise chamber design and dedicated injection ports accommodate fuel delivery while optimizing the intake charge path. Speedmaster manifolds are trusted by engine builders and performance shops for reliability and consistent results across a wide range of displacement and boost levels.

Key Features & Benefits

• BBC 454 Rect Port Fit: Designed specifically for Chevy big-block 454 engines with rectangular port cylinder heads.
• High Rise Design: Elevated chamber construction enhances air distribution and flow into the combustion chambers.
• Injection Ports: Integrated ports accommodate fuel injection systems for modern EFI conversions and performance tuning.
• Polished Aluminum: Premium polished finish provides durability and a professional appearance.
• Dominator Series: Speedmaster's performance-oriented intake manifold line engineered for increased horsepower.

Specifications

Ideal Applications

• Street performance and cruising with fuel-injected BBC 454 engines
• Strip and drag racing builds requiring optimized intake flow
• High-performance crate engine assembly and rebuilds
• EFI conversion projects on classic big-block Chevy platforms