Holley 300-121 Ls Efi Manifold - 2X4 Dual Plane Gm Ls1/Ls2/Ls6
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Holley
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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_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; Satin Finish; |
Description_DES | Holley LS EFI Manifold - 2x4 Dual Plane GM LS1/LS2/LS6 |
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 |
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" |
Description_FAB | 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. |
Description_INV | LS1/LS2 DUAL-QUAD INTAKE MANIFOLD, EFI |
Description_SHO | Intake Manifold |
Description_MKT | Holley EFI 2x4 Dual Plane Intake Manifold, LS Gen 3 LS1/LS2/LS6 engines |
Number of Carbs | None; For Fuel Injection |
Front Height | 4.470 in. |
Brand | Holley EFI |
Engine | GM LS1/LS2/LS6 |
Position | Lower |
Rear Height | 5.540 in. |
Engine Make/Size | GM LS1/LS2/LS6 |
WARNING CA Proposition 65 | No |
Cylinder Head Type | LS3/L92 |
Usage | Street/Hi-Performance |
Clearance Category | Air and Fuel Delivery |
Color | Silver |
Emission Code | 3, 4 |
Sale Category | Air and Fuel Delivery |
Manifold Type | Dual Plane |
Emission | Without EGR |
RPM Range | 1500-7000 |
Construction | Cast |
Flange Type | 4150 Square Bore |
Fuel System Type | EFI |
Discount Percentage | 26-50% |
Finish | Silver |
Flange Style | 4150 Square Bore |
Product Type | Intake Manifold |
RPM Power Band | 1500-6500 RPM |
Warranty | Limited 90 Day |
Length | 10.2000 |
Width | 14.5000 |
Height | 23.1000 |
Weight | 22.8800 |
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