Holley EFI Mid-Rise LS3/L92 Single Plane Intake Manifold, 4150 Square Bore Flange – BLACK

Holley EFI Mid-Rise LS3/L92 Single Plane Intake Manifold, 4150 Square Bore Flange – BLACK

The Holley EFI Mid-Rise LS3/L92 Single Plane Intake Manifold, 4150 Square Bore Flange – BLACK is a black ceramic coated, single plane EFI intake manifold designed for all GM LS Gen III engines with LS3/L92 style rectangular port cylinder heads. It delivers a broad torque curve and excellent vehicle performance from 2500 to 7000 RPM while fitting in vehicles with minimal hood modifications.

Key Features

• 2500-7000 RPM power band for broad torque and performance
• 4150 square bore flange with optimized runner layout and constant cross-sectional area
• Minimum carb flange height for easy fitment with minimal hood clearance issues
• Cast aluminum construction ideal for centrifugal blower, turbocharged, or mild NOS applications
• Lightweight and efficient casting design with consistent wall thickness
• Includes Viton® O-ring intake to cylinder head gaskets for reliable sealing
• Weight: 11.5 lbs.; Front height: 5.417″ to lifter valley cover flange
• Port size: 2.50″ height x 1.15″ wide

Fitment

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

Required Components

• Holley Fuel Rail Kit 534-218 (factory fuel rails are not compatible)

Note: Verify compatibility before ordering. This manifold requires Holley fuel rails and may require tuning for optimal performance.