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INTAKE MANIFOLD, LS1 EFI SI...
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Holley EFI
Product Details
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Vehicle Compatibility
Select your vehicle to verify compatibility:
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Key Features
Single Plane EFI LS Intake Manifold. All GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads.
- 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 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
- 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
- Kit does not work with factory fuel rails and requires the use of Holley Fuel Rail Kit P/N 534-219
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Product Specifications
Basic Operating RPM Range
2500-7000 RPM
Brand
Holley EFI
Carburetor Flange
Square/4150
Construction
Cast
EGR Port
No
Engine
GM LS1/LS2/LS6
Flange Style
4150 Square Bore
Fuel Injectors Included
No
Fuel Rail(s) Included
No
Fuel System Type
EFI
Gasket Or Seal Included
Yes
Grade Type
Performance
Intake Port Gasket(s) Included
No
Manifold Type
Single Plane
Nitrous Bung(s) Included
No
Part Type
Engine Intake Manifold
Product Type
Intake Manifold
Recommended Use
Forced Induction
Removable Runners
No
RPM Power Band
2500-7000 RPM
Single Or Dual Plane Type
Single Plane
Throttle Body Included
No
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Package Contents
Kit includes all necessary components. Please refer to manufacturer specifications for detailed package contents.