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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
| Categories | Air & Fuel Delivery, Engine Components |
|---|---|
| Weight | 5.6000 |
| Manufacturer Part Number | 300-137 |
| Brand | Holley |
| Part Type | Intake Manifolds |
| Interchange Part Number | 300-137 |
| Vehicle Make | Chevrolet |
| Engine Type | LS Series |
| Cylinder Head Type | Standard |
| RPM Range | 2500-7000 |
| Manifold Type | Single Plane |
| Finish | Satin |
| Construction | Cast |
| Engine | GM LS1/LS2/LS6 |
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