Holley # 300-121 2x4 Mid-rise Dual Plane Efi Intake Gm/chevy Ls1/ls2/ls6 on 2040-parts.com

Part Detail:

You are buying a brand new Holley # 300-121 Aluminum Intake Manifold. Put the look of the dual carburetor musclecar era on your late model Chevrolet LS Series engine. These Holley LS 2x4 dual plane carbureted intake manifolds continue the tradition of the great Holley 4160 induction systems that competed on the drag strips. Their dual plane, equal-distribution layout produces great midrange torque without compromising top-end power. The manifolds feature all cast aluminum construction, a wide 1,500-7,000 rpm power band range, and can accept dual inline mounted square bore carburetors with 1 11/16 in. maximum diameter throttle bores.

Application:

- Holley EFI 2x4 Mid Rise Dual Plane Intake Manifold, LS Gen 3 LS1/LS2/LS6 engines

Specifications:

Notes:

All GM LS Gen 3 engines equipped with LS1/LS2 style cathedral port cylinder heads.  

NOTE: The EFI versions of the LS HI-Ram intake manifold and fuel rail are designed to accept Bosch Style EV-1 or Magneti Marelli Pico fuel injectors. OE LS fuel injectors may not fit properly in the Hi-Ram EFI intake manifold fuel rail assembly. There is a kit available separately for the LS7 Hi-Ram EFI to allow the use of stock LS7 fuel injectors, P/N 300-230 (see below in the service parts section).

Features:

• 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.

Rebel Performance is an authorized Holley Performance dealer. Make sure to checkout Rebel Performance for all your Aftermarket Performance Automotive needs!