Holley EFI Holley Single Plane EFI Intake - GM LS1/LS2/LS6 300-137
Specifications:
| Basic Operating RPM Range | 2500-7000 RPM |
| Brand | Holley EFI |
| 10653 | Square/4150 |
| Category | Engine |
| 17 | Silver |
| 158 | Cast |
| 8095 | No |
| Emission Code | 3 |
| Engine | GM LS1/LS2/LS6 |
| Finish | Silver |
| Flange Style | 4150 Square Bore |
| Front Height | 5.417 inch |
| Front Maximum Height | 5.417 IN |
| 906 | No |
| 10644 | No |
| Fuel System Type | EFI |
| 353 | Yes |
| 3390 | Performance |
| 10651 | No |
| Manifold Type | Single Plane |
| 10 | Aluminum |
| 10648 | No |
| part type | Engine Intake Manifold |
| Plenum Finish | Natural |
| Product Type | Intake Manifold |
| Rear Height | 5.417 inch |
| Rear Maximum Height | 5.417 IN |
| Recommended Use | Forced Induction |
| 10645 | No |
| RPM Power Band | 2500-7000 RPM |
| 6642 | Single Plane |
| Sub Category | Cylinder Block Components |
| 10626 | No |
| Warning | California Proposition 65 |
| Warranty | Limited 90 Day |
| Description_INV | INTAKE MANIFOLD, LS1 EFI SINGLE-PLANE |
| Description_ASC | Includes mounting bolts & washers. Also includes O-ring cylinder head mounting flange gaskets for an OEM style seal. Kit does not work with factory fuel rails and requires the use of Holley Fuel Rail Kit P/N 534-219.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 Single Plane EFI Intake - GM LS1/LS2/LS6 |
| Description_EXT | Single Plane EFI LS Intake Manifold. All GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads. |
| Description_MKT | Single Plane EFI LS Intake Manifold. All GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads. |
| Description_FAB | 2500-7000 RPM power band |
| Description_FAB | 4150 Square bore flange |
| Description_FAB | Optimized runner layout and constant cross sectional area - broad torque curve, best vehicle performance from 2500-7000 RPM |
| Description_FAB | Minimum carb flange height - fit in vehicles with minimum hood modifications |
| Description_FAB | Cast aluminum construction - great manifold for centrifugal blower, turbocharged or NOS power adder applications |
| Description_FAB | Efficient casting design - lightweight, consistent wall thicknesses, improved casting quality |
| Description_FAB | Weight - 11.5 lbs. |
| Description_FAB | Height (front) - 5.417" to the lifter valley cover flange at the engine block front flange |
| Description_FAB | Port size - 2.50" height x 1.15" wide |
| Description_FAB | Includes Viton® O-ring intake to cylinder head gaskets - Viton® is a registered trademark of DuPont Performance Elastomers |
| Description_FAB | Kit does not work with factory fuel rails and requires the use of Holley Fuel Rail Kit P/N 534-219 |