Holley 300-121BK Ls Efi Manifold - 2X4 Dual Plane - Black Gm Ls1/Ls2/Ls6
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Engine Intake Manifold
Holley EFI 2x4 Dual Plane Intake Manifold, LS Gen 3 LS1/LS2/LS6 engines
Specifications:
Description_ASC | 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). |
Description_DEF | Engine Intake Manifold |
Description_DES | Holley LS EFI Manifold - 2x4 Dual Plane - Black GM LS1/LS2/LS6 |
Description_EXT | Hi-Ram Intake Manifold; Lower; EFI 2 x 4 Mid Rise Dual Plane Manifold; Front Height 4.47 in.; Rear Height 5.54 in.; RPM Power Band 1500-7000; Black Ceramic Finish; |
Description_MKT | Holley EFI 2x4 Dual Plane Intake Manifold, LS Gen 3 LS1/LS2/LS6 engines |
Description_SHO | Intake Manifold |
Description_INV | LS1/LS2 DUAL-QUAD INTAKE MANIFOLD, EFI - |
Description_FAB | 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 |
Description_FAB | 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's perfect for two Holley carburetors and this intak |
Description_FAB | Carbureted and EFI versions available |
Description_FAB | Power band from 1500-7000 rpm |
Description_FAB | Appropriate for any street/performance, muscle car, or street rod enthusiast |
Description_FAB | Cast aluminum construction |
Description_FAB | Intended for use on all GM LS Gen III engines equipped with LS1/LS2 style cathedral port cylinder heads |
Description_FAB | Carb Flange Center-To-Center: 8-5/8" |
Position | Lower |
RPM Range | 1500-7000 |
Color | Black |
Product Type | Intake Manifold |
Emission | Without EGR |
Usage | Street/Hi-Performance |
Engine Make/Size | GM LS1/LS2/LS6 |
Emission Code | 3, 4 |
Warranty | Limited 90 Day |
Fuel System Type | EFI |
Rear Height | 5.540 in. |
Finish | Black |
WARNING CA Proposition 65 | No |
Number of Carbs | None; For Fuel Injection |
Manifold Type | Dual Plane |
Front Height | 4.470 in. |
Construction | Cast |
Engine | GM LS1/LS2/LS6 |
RPM Power Band | 1500-6500 RPM |
Cylinder Head Type | LS3/L92 |
Brand | Holley EFI |
Length | 10.0000 |
Width | 15.0000 |
Height | 20.0000 |
Weight | 19.0000 |
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