Holley LS3 2x4 Dual Plane Intake Manifold #300-133 LS3 / L92

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Carbureted GM LS Gen III LS3/LS92 2x4160 dual plane intake manifold.

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
Construction Cast
Emission Code 3
Engine GM LS3/L92
Finish Satin
Flange Style 4150 Square Bore
Front Height 4.73 inch
Fuel System Type Carb
Manifold Type Dual Plane
Product Type Manifold
Rear Height 5.80 inch
RPM Power Band 1500-7000
Warranty Limited 90 Day
Part Number 300-133