Holley Mid-Rise EFI Intake Manifold & Rail Kit, LS3

Single Plane Mid-Rise EFI LS Intake Manifold. Fits all GM LS Gen III engines equipped with LS3/L92 style rectangular port cylinder heads

• This manifold will not work with factory fuel rails and requires the use of Holley Fuel Rail Kit 534-218
• 2500-7000 RPM power band
• 4150 Square bore flange
• Optimized runner layout and constant cross sectional area - broad torque curve, best vehicle performance from 2500-7000 RPM
• Minimum carb flange height - fit in vehicles with minimum hood modifications
• Cast aluminum construction - great manifold for centrifugal blower, turbocharged or NOS mild power adder applications
• Efficient casting design - lightweight, consistent wall thicknesses, improved casting quality
• Weight - 11.5 lbs.
• Height (front) - 5.417" to the lifter valley cover flange at the engine block front flange and bellhousing flange
• Port size - 2.50" height x 1.15" wide
• Includes Viton® O-ring intake to cylinder head gaskets - Viton® is a registered trademark of DuPont Performance Elastomers
• EFI Fuel Rail Kit included

Installation Instructions (PDF)