Holley LS EFI Manifold - 2x4 Dual Plane - LS1 LS2 LS6 - Part# 300-121

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.

Brand Holley EFI
Construction Cast
Emission Code 3
Engine GM LS1/LS2/LS6
Finish Satin
Flange Style 4150 Square Bore
Front Height 4.47 inch
Fuel System Type EFI
Manifold Type Dual Plane
Product Type Manifold
Rear Height 5.54 inch
RPM Power Band 1500-7000
Warranty Limited 90 Day
Part Number 300-121

WARNING: Cancer and Reproductive Harm - https://www.p65warnings.ca.gov

Type: Unknown Type

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