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Holley LS EFI Manifold - 2x4 Dual Plane LS3/L92 - Black

Black Ceramic Coated, Holley EFI 2x4 Dual Plane Intake Manifold. All GM LS Gen III or Gen IV engines equipped with LS3/L92 style rectangular port cylinder heads.

PART# 300-134BK

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The Holley GM 2x4 dual plane manifold is designed in the tradition of the great dual Holley 4160 induction systems that competed on drag strips, in Trans-Am at Lemans in the 1960's. The technology of the LS pushrod engine is now mated with the impressive multi-carb looks and performance of the muscle car era!


  • Power band from 1500-7000rpm
  • Perfect for any street/performance, muscle car or street rod enthusiast
  • Cast aluminum construction, Black Ceramic Coated
  • Fits all GM LS Gen III or Gen IV engines equipped with LS3/L92 style rectangular port cylinder heads.
  • Dual plane design for equal distribution and great mid-range torque without comprimising top-end power


BrandHolley EFI
Emission Code4
EngineGM LS3/L92
Front Height4.73 inch
Fuel System TypeEFI
Manifold TypeDual Plane
Product TypeManifold
Rear Height5.80 inch
RPM Power Band1500-7000
WarrantyLimited 90 Day
Part Number300-134BK



This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

Tech Resources

The LS engine architecture does not utilize an intake mounted water neck or distributor. 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).

Warranty Information

Limited 90 Day: See Details
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