EFI LS Single Plane Intake Manifold designed for all GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads.
Key Features:
- Power band: 2500-7000 RPM
- Square bore flange (4150)
- Optimized runner layout and constant cross-sectional area for a broad torque curve, delivering optimal vehicle performance between 2500-7000 RPM
- Minimum carb flange height allows easy fitment in vehicles with minimal hood modifications
- Cast aluminum construction, making it an excellent choice for centrifugal blower, turbocharged, or NOS power adder applications
- Efficient casting design ensures lightweight build, consistent wall thicknesses, and improved casting quality
- Weight: 11.5 lbs.
- Height (front): 5.417″ to the lifter valley cover flange at the engine block front 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)
- Note: This kit is not compatible with factory fuel rails and requires the use of Holley Fuel Rail Kit P/N 534-219.
