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Home / Shop / Holley Single Plane EFI Intake - GM LS1/LS2/LS6

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Holley

Holley Single Plane EFI Intake - GM LS1/LS2/LS6

Part # 300-137

$574.95

In Stock

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 & Benefits
Optimized runner layout and constant cross sectional area - broad torque curve, best vehicle performance from 2500-7000 RPM

Fits: Single Plane EFI LS Intake Manifold. All GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads.

Installation note: Includes mounting bolts & washers. Also includes O-ring cylinder head mounting flange gaskets for an OEM style seal. Kit does not work with factory fuel rails and requires the use of Holley Fuel Rail Kit P/N 534-219._x000D_ _x000D_ NOTE: The EFI versions of the LS HI-Ram intake manifold and fuel rail are designed to accept Bosch Style EV-1 or Magneti Marelli Pico fuel injectors. OE LS fuel injectors may not fit properly in the Hi-Ram EFI intake manifold fuel rail assembly. There is a kit available separately for the LS7 Hi-Ram EFI to allow the use of stock LS7 fuel injectors, P/N 300-230 (see below in the service parts section).

In the box: Gasket Or Seal

Specifications

Basic Operating RPM Range 2500-7000 RPM
CNC Ported No
Carburetor Flange Square/4150
Carburetor Quantity 1
Color Silver
Construction Cast
Cylinder Head Port Shape Cathedral
Deck Height 9.24 IN
EGR Port No
Engine GM LS1/LS2/LS6
Flange Style 4150 Square Bore
Front Maximum Height 5.417 IN
Fuel System Type EFI
Manifold Type Single Plane
Material Aluminum
Plenum Finish Natural
Rear Maximum Height 5.417 IN
Recommended Use Forced Induction
Removable Runners No
Removable Top/Lid No
Single Or Dual Plane Type Single Plane
Throttle Body Bore Diameter 3.6 IN
Vacuum Ports Yes

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