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Holley EFI 2x4 Dual Plane Intake Manifold, LS Gen 3 LS1/LS2/LS6 engines
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 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”
| Basic Operating RPM Range | 1500-6500 RPM |
|---|---|
| Brand | Holley EFI |
| Carburetor Flange | Square/4150 |
| Category | Intake Manifolds |
| Category Filter | Intake Manifolds |
| Color | Black |
| Construction | Cast |
| EGR Port | No |
| Emission Code | 4 |
| Engine | GM LS1/LS2/LS6 |
| Finish | Black |
| Front Height | 4.47 inch |
| Front Maximum Height | 4.47 IN |
| Fuel System Type | EFI |
| Grade Type | Performance |
| Intake Port Gasket(s) Included | No |
| Manifold Type | Dual Plane |
| Material | Aluminum |
| Nitrous Bung(s) Included | No |
| Plenum Finish | Black |
| Product Type | Intake Manifold |
| Rear Height | 5.54 inch |
| Rear Maximum Height | 5.54 IN |
| Removable Runners | No |
| RPM Power Band | 1500-6500 RPM |
| Single Or Dual Plane Type | Dual Plane |
| Throttle Body Included | No |
| Warranty | Limited 90 Day |
| UPC | 090127715857 |
| Part Number | 300-121BK |
Emissions
4
This part is legal for sale or use on Racing Use Only Vehicles
The following vehicles are considered Racing Use Only Vehicles:
- Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street.
WARNING: It is against the law to install this part on an Emissions Controlled Vehicle
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