Holley EFI 2x4 Mid Rise 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???›???›?????Âœ?›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. The LS engine architecture does not utilize an intake mounted water neck or \distributor so it???›???›?????Âœ?›s perfect for two Holley carburetors and this inta 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???›???›???ÂÂÂ?ÂÂÂ
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