Holley Single Plane Carbureted Intake – GM LS3/L92

HOLLEY SINGLE PLANE CARBURETED INTAKE – GM LS3/L92

The HOLLEY SINGLE PLANE CARBURETED INTAKE – GM LS3/L92 is a cast aluminum single plane intake manifold designed for GM LS Gen III and IV engines with LS3/L92 rectangular port cylinder heads. It delivers a broad torque curve optimized for 2500-7000 RPM, making it ideal for carbureted applications including centrifugal blower, turbocharged, or NOS setups.

Key Features

• 2500-7000 RPM power band for versatile performance
• 4150 square bore flange accepting up to 1.75″ diameter throttle bores
• Optimized runner layout with constant cross-sectional area for broad torque
• Low carb flange height to fit vehicles with minimal hood modifications
• Lightweight cast aluminum construction ideal for power adder applications
• Efficient casting design with consistent wall thickness and improved quality
• Includes Viton® O-ring intake to cylinder head gaskets for reliable sealing

Fitment

• Fits all GM LS Gen III and IV engines with LS3/L92 style rectangular port heads

Note: Verify compatibility with your engine and vehicle setup before ordering. Installation may require tuning and supporting components for optimal performance.