Holley LS EFI Manifold - 2x4 Dual Plane - LS1 LS2 LS6 - Part# 300-121
Holley EFI 2x4 Dual Plane Intake Manifold, LS Gen 3 LS1/LS2/LS6 engines
The Holley GM LS1/LS2/LS6 2x4V dual-plane was designed in the tradition of the great dual Holley 4160 induction systems that competed on drag strips, in Trans-Am and at Lemans in the 1960’s. The technology of the LS pushrod engine is now mated with the im
The dual-plane equal-distribution layout produces great mid-range torque without compromising top end power
Carbureted and EFI versions available
Power band from 1500-7000 rpm
Appropriate for any street/performance, muscle car, or street rod enthusiast
Cast aluminum construction
Intended for use on all GM LS Gen III engines equipped with LS1/LS2 style cathedral port cylinder heads
Carb Flange Center-To-Center: 8-5/8”
The LS engine architecture does not utilize an intake mounted water neck or distributor so it’s perfect for two Holley carburetors and this intake.
|Flange Style||4150 Square Bore|
|Front Height||4.47 inch|
|Fuel System Type||EFI|
|Manifold Type||Dual Plane|
|Rear Height||5.54 inch|
|RPM Power Band||1500-7000|
|Warranty||Limited 90 Day|
WARNING: Cancer and Reproductive Harm - https://www.p65warnings.ca.gov
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