Holley Single Plane EFI Intake - GM LS1/LS2/LS6 - 300-137
Holley Single Plane EFI Intake - GM LS1/LS2/LS6 - 300-137 is backordered and will ship as soon as it is back in stock.
Couldn't load pickup availability
Fitment
Fitment
Warranty Information
Warranty Information
Customer service is our top priority and because we value your time and energy we ask you to visit our Contact Us page and reach out so that we may assist you in finding the correct warranty for your product. Please include your name, the name on the order, the order number, and the SKU of the product to ensure the quickest and most accurate response to your inquiry.
Description
Description
Overview:
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
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| Universal |
Specs:
| Brand | Holley EFI |
|---|---|
| Construction | Cast |
| Emission Code | 3 |
| Engine | GM Small Block Gen III/IV (LS Based) |
| Finish | Satin |
| Flange Style | 4150 Square Bore |
| Front Height | 5.417 inch |
| Fuel System Type | EFI |
| Manifold Type | Single Plane |
| Product Type | Manifold |
| Rear Height | 5.417 inch |
| RPM Power Band | 2500-7000 |
| Warranty | Limited 90 Day |
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.



