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Holley EFI 300-136 Single Plane EFI Intake Manifold for GM LS3/L92

Part of: Holley EFI Single Plane Intake Manifold GM

Other options in this family: Holley EFI 300-137 Holley EFI 300-269BK Holley EFI 300-136BK

Manufacturer

Picture for manufacturer Holley EFI

Part Number

300-136
8 reviews
Sale Price

$510.95

In Stock (10+)

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Product Details

The Holley EFI 300-136 single plane intake manifold is engineered specifically for GM LS3 and L92 engines, delivering optimal performance in the 2500-7000 RPM power band. This cast aluminum manifold features an optimized runner layout with constant cross-sectional area to provide a broad torque curve and excellent throttle response throughout the entire RPM range.

Key Features:

  • 4150 square bore flange compatible with standard throttle bodies
  • Port dimensions: 2.50" height x 1.15" width for excellent airflow
  • Lightweight cast aluminum construction at just 11.5 lbs
  • Efficient casting design with consistent wall thicknesses for improved quality and durability
  • Minimum carb flange height allows installation in most vehicles with minimal hood modifications
  • Front height: 5.417" measured to lifter valley cover flange at engine block front
  • Includes Viton® O-ring intake gaskets for superior sealing

Application Notes:

  • Ideal for centrifugal supercharger, turbocharger, or nitrous applications
  • Not compatible with factory fuel rails - requires Holley Fuel Rail Kit 534-218 (sold separately)
  • Designed for high-performance street and racing applications

This single plane design maximizes top-end power while maintaining strong mid-range torque, making it an excellent choice for performance builds where hood clearance is a concern.

Products specifications

Basic Operating RPM Range

2500-7000

Brand

Holley EFI

Carburetor Flange

Square/4150

Carburetor Quantity

1

Carburetor Studs Included

No

Category

Engine

CNC Ported

No

Color

Silver

Construction

Cast

Cylinder Head Port Shape

Rectangle

EGR Port

No

Emission Code

3

Engine

GM LS3/L92

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

Material

Aluminum

Nitrous Bung(s) Included

No

Part Type

Engine Intake Manifold

Plenum Finish

Natural

Product Type

Intake Manifold

Recommended Use

Forced Induction

Removable Runners

No

Removable Top/Lid

No

Single Or Dual Plane Type

Single Plane

Sub Category

Cylinder Block Components

Throttle Body Bore Diameter

3.6

Throttle Body Gasket Included

No

Throttle Body Included

No

Vacuum Ports

Yes

Warning

California Proposition 65

Warranty

Manufacturer's Limited 90 Day Warranty

Great site

So far so good ! Transaction was smooth and perfect.

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