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.