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Holley Single Plane EFI Intake - GM LS1/LS2/LS6 300-137

$342.95
SKU: 300-137

Availability: In stock

Handling Time: 30 Days

Details

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

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

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
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  • 4150 Square bore flange
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  • Optimized runner layout and constant cross sectional area - broad torque curve, best vehicle performance from 2500-7000 RPM
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  • Minimum carb flange height - fit in vehicles with minimum hood modifications
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  • Cast aluminum construction - great manifold for centrifugal blower, turbocharged or NOS power adder applications
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  • Efficient casting design - lightweight, consistent wall thicknesses, improved casting quality
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  • Weight - 11.5 lbs.
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  • Height (front) - 5.417" to the lifter valley cover flange at the engine block front flange
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  • Port size - 2.50" height x 1.15" wide
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  • Includes Viton® O-ring intake to cylinder head gaskets - Viton® is a registered trademark of DuPont Performance Elastomers
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  • Kit does not work with factory fuel rails and requires the use of Holley Fuel Rail Kit P/N 534-219

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.

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).

Specifications:

  • Brand: Holley EFI
  • Construction: Cast
  • Emission Code: 3
  • Engine: GM LS1/LS2/LS6
  • 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