Speedmaster PCE148.1064 BBC 454 Dominator High Rise Intake Manifold Polished

The Speedmaster PCE148.1064 is a high-performance single-plane intake manifold engineered for big block Chevy 454 engines with rectangular port cylinder heads. This Shootout Series manifold features a Dominator-style carburetor flange for maximum airflow and top-end power on high-performance street and racing applications.

Key Features:

• Dominator carburetor flange for superior high-RPM breathing
• Single-plane design optimized for maximum horsepower
• Integrated fuel rail provisions for EFI conversions
• Dual distributor holddowns for secure installation
• Nitrous and injector bosses for power-adder flexibility
• Four-corner water ports for proper coolant flow
• Show-quality polished aluminum finish
• Fits standard deck big block Chevy rectangular port heads

This high-rise manifold is designed for engines operating in the 3,500+ RPM range and delivers exceptional top-end power for race and high-performance street applications. The Dominator flange accommodates large-bore carburetors up to 4500 CFM, making it ideal for big-inch big blocks and forced induction setups. Compatible with big block Chevy Gen IV, V, and VI engines with rectangular port heads.