Description
Single Plane EFI LS Intake Manifold. All GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral 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 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
| Brand | Holley EFI |
|---|---|
| Color | Silver |
| Construction | Cast |
| Emission Code | 3 |
| Engine | GM LS1/LS2/LS6 |
| Finish | Silver |
| Flange Style | 4150 Square Bore |
| Front Height | 5.417 inch |
| Fuel System Type | EFI |
| Manifold Type | Single Plane |
| Product Type | Intake Manifold |
| Rear Height | 5.417 inch |
| Recommended Use | Forced Induction |
| RPM Power Band | 2500-7000 RPM |
| Warranty | Limited 90 Day |
| UPC | 090127687758 |
| Part Number | 300-137 |
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