Holley 300-291 Single-Plane Intake Manifold for GM LS3/L92 Heads

The Holley 300-291 intake manifold is designed for GM LS3/L92 heads and supports a single-plane intake configuration for race-oriented applications. Its square-bore design and rectangle-port layout are tailored to the listed GM LS-Series engine configuration.

Constructed from aluminum, this intake manifold features a natural finish and is supplied as a kit. The single-plane design provides a straightforward intake arrangement for builds using compatible LS3 or L92 cylinder heads and the appropriate square-bore setup.

Use the Holley 300-291 as a replacement or component for a GM LS-Series project where the specified LS3/L92 head configuration, rectangle ports, single-plane layout and square-bore design match the application requirements. Confirm all engine and accessory clearances before installation.

Features:

• Brand: HOLLEY
• Part Number: 300-291
• Application: GM LS3/L92 heads
• Design: Single-plane intake manifold
• Bore Style: Square bore
• Port Configuration: Rectangle port
• Material: Aluminum
• Finish: Natural
• Product Format: Kit