Holley MANIFOLD – BBC, RECT 4150 EFI

Holley MANIFOLD – BBC, RECT 4150 EFI

The Holley MANIFOLD – BBC, RECT 4150 EFI is a high-performance, single-plane intake manifold designed to convert Big Block Chevy engines with rectangular port heads to multi-point fuel injection. Engineered with an open plenum design, it is dyno-proven to maximize horsepower and torque for serious racing applications.

Key Features

• Optimized 3500-8000 RPM power band for high-performance use
• Open plenum, single-plane design for superior airflow
• Includes anodized and laser-etched fuel rails with mounting brackets
• Compatible with both 1.48 inch and 2.56 inch injector lengths

Fitment

• Big Block Chevy (BBC) V8 Engines (396, 402, 427, 454, 502)
• Designed specifically for Rectangular Port cylinder heads
• Compatible with 4150-style square bore throttle bodies

Note: This manifold is intended for track use only and has no EGR provisions; verify port alignment and injector compatibility before installation.