Holley EFI Holley LS EFI Manifold - 2x4 Dual Plane - Black GM LS1/LS2/LS6 300-121BK
Specifications:
| Basic Operating RPM Range | 1500-6500 |
| Brand | Holley EFI |
| 10653 | Square/4150 |
| 10650 | 2 |
| 10652 | No |
| Category | Engine |
| 9063 | No |
| 17 | Black |
| 158 | Cast |
| 5337 | Cathedral |
| 6621 | 9.24 |
| 8095 | No |
| Emission Code | 4 |
| Engine | GM LS1/LS2/LS6 |
| Flange Style | 4150 Square Bore |
| 6643 | 4.47 |
| 906 | No |
| 10644 | Yes |
| Fuel System Type | EFI |
| 353 | Yes |
| 3390 | Performance |
| 10651 | No |
| Manifold Type | Dual Plane |
| 10 | Aluminum |
| 10648 | No |
| part type | Engine Intake Manifold |
| Plenum Finish | Black |
| Product Type | Intake Manifold |
| 6645 | 5.54 |
| 10645 | No |
| 10649 | No |
| 6642 | Dual Plane |
| Sub Category | Cylinder Block Components |
| 10646 | 1.75 |
| Throttle Body Gasket Included | No |
| 10626 | No |
| Vacuum Ports | Yes |
| Warning | California Proposition 65 |
| Warranty | Manufacturer's Limited 90 Day Warranty |
| Basic Operating RPM Range | 1500-6500 |
| Brand | Holley EFI |
| 10653 | Square/4150 |
| 10650 | 2 |
| 10652 | No |
| Category | Engine |
| 9063 | No |
| 17 | Black |
| 158 | Cast |
| 5337 | Cathedral |
| 6621 | 9.24 |
| 8095 | No |
| Emission Code | 4 |
| Engine | GM LS1/LS2/LS6 |
| Flange Style | 4150 Square Bore |
| 6643 | 4.47 |
| 906 | No |
| 10644 | Yes |
| Fuel System Type | EFI |
| 353 | Yes |
| 3390 | Performance |
| 10651 | No |
| Manifold Type | Dual Plane |
| 10 | Aluminum |
| 10648 | No |
| part type | Engine Intake Manifold |
| Plenum Finish | Black |
| Product Type | Intake Manifold |
| 6645 | 5.54 |
| 10645 | No |
| 10649 | No |
| 6642 | Dual Plane |
| Sub Category | Cylinder Block Components |
| 10646 | 1.75 |
| Throttle Body Gasket Included | No |
| 10626 | No |
| Vacuum Ports | Yes |
| Warning | California Proposition 65 |
| Warranty | Manufacturer's Limited 90 Day Warranty |
| Description_ABR | LS1 LS2 DUAL |
| Description_SHO | HOLLEY LS EFI |
| Description_INV | LS1/LS2 DUAL-QUAD INTAKE MANIFOLD, EFI - |
| 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_DES | Holley LS EFI Manifold - 2x4 Dual Plane - Black GM LS1/LS2/LS6 |
| Description_EXT | Holley EFI 2x4 Dual Plane Intake Manifold, LS Gen 3 LS1/LS2/LS6 engines, w/Black Ceramic Coating |
| Description_MKT | Holley EFI 2x4 Dual Plane Intake Manifold, LS Gen 3 LS1/LS2/LS6 engines |
| Description_FAB | The dual-plane equal-distribution layout produces great mid-range torque without compromising top end power. |
| Description_FAB | Appropriate for any street/performance, muscle car, or street rod enthusiast |
| Description_FAB | Intended for use on all GM LS Gen III engines equipped with LS1/LS2 style cathedral port cylinder heads |
| Description_FAB | Power band from 1500-7000 rpm |
| Description_FAB | Carbureted and EFI versions available |
| Description_FAB | Cast aluminum construction |
| 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. |
| Description_FAB | Carb Flange Center-To-Center: 8-5/8” |
| Description_ABR | LS1 LS2 DUAL |
| Description_SHO | HOLLEY LS EFI |
| Description_INV | LS1/LS2 DUAL-QUAD INTAKE MANIFOLD, EFI - |
| 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_DES | Holley LS EFI Manifold - 2x4 Dual Plane - Black GM LS1/LS2/LS6 |
| Description_EXT | Holley EFI 2x4 Dual Plane Intake Manifold, LS Gen 3 LS1/LS2/LS6 engines, w/Black Ceramic Coating |
| Description_MKT | Holley EFI 2x4 Dual Plane Intake Manifold, LS Gen 3 LS1/LS2/LS6 engines |
| Description_FAB | The dual-plane equal-distribution layout produces great mid-range torque without compromising top end power. |
| Description_FAB | Appropriate for any street/performance, muscle car, or street rod enthusiast |
| Description_FAB | Intended for use on all GM LS Gen III engines equipped with LS1/LS2 style cathedral port cylinder heads |
| Description_FAB | Power band from 1500-7000 rpm |
| Description_FAB | Carbureted and EFI versions available |
| Description_FAB | Cast aluminum construction |
| 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. |
| Description_FAB | Carb Flange Center-To-Center: 8-5/8” |