Single Plane EFI LS Intake Manifold. Fits all GM LS Gen III engines equipped with LS3/L92 style rectangular port cylinder heads
Features:
- 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
- This manifold will not work with factory fuel rails and requires the use of Holley Fuel Rail Kit 534-218