Holley Performance 300-121 Engine Intake Manifold

Holley EFI 2x4 Dual Plane Intake Manifold, LS Gen 3 LS1/LS2/LS6 engines; 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 wit 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.