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Holley LS3 2 x 4 Dual Plane EFI Intake Manifold Satin

$589.95 $563.95

Brand Holley
SKU: 300-134

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.

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


Brand Holley EFI
Construction Cast
Emission Code 4
Engine GM LS3/L92
Finish Satin
Front Height 4.73 inch
Fuel System Type EFI
Manifold Type Dual Plane
Product Type Manifold
Rear Height 5.80 inch
RPM Power Band 1500-7000
Warranty Limited 90 Day
Part Number 300-134
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 

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

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