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The new Holley EFI Hi-Ram intake provides the ultimate performance with the new GM direct injected Gen V 6.2L LT1 engine. The modular design of this manifold allows easy disassembly for custom porting, multiple tops, or custom induction systems. Each runner has a large radius where it meets the plenum, and optimized taper & cross-sectional area to perform in a wide variety of engine configurations. The optional injector bosses on the intake runners allow increased performance potential by using additional injectors along with the factory direct injection. When you look for the pinnacle of performance, price, and quality, look to Holley EFI.
Features:
- Modular Design w/ Removable Top
- Overall Height: 13.34” (w/ EFI Top - 95mm or 105mm) – See Drawing
- A-B Height: 12.10” (w/ Carb Style Top - 2 x 4150 or 2 x 4500) – See Drawing
- Height at Plenum Flange: 9.44”
- Port Size: 2.06” High x 1.53” Wide
- Runner Length: Approx. 6.5”
- Large Plenum Volume of 549 Cubic Inches (w/ 1 x 95mm or 1 x 105mm Throttle Body Top)
- Available With or Without Injector Ports in the Runners
- Intakes w/ Injector Ports Include Fuel Rails w/ Dual Mounting (1.48” or 2.56” O-ring to O-ring injector length)
- Fuel Rails are Anodized, Laser Etched, and Machined for 8AN O-Ring Fittings at Each End
- Rear of Plenum Machined for MAP & 3 Vacuum Ports
- Head Flange has Clearance for Fuel Supply to High Pressure Pump
- Increased Runner Wall Thickness for Custom Porting at the Plenum to Runner Entry on Each Runner
- O-Ring Seals at Cylinder Heads & Plenum Top
- Easy Assembly w/ Top Mounted Screws on Plenum Top (all except front 2 screws)
- Several Top Options: 1 x 95mm, 1 x 105mm, 2 x 4150, 2 x 4500, or Blank Flange for Custom Throttle Bodies
- 3500-8000+ RPM Power Band
| Basic Operating RPM Range | 3500-8000+ RPM |
|---|---|
| Brand | Holley EFI |
| Category | Intake Manifolds |
| Color | Natural |
| Construction | Cast |
| EGR Port | No |
| Emission Code | 4 |
| Engine | GM Gen V LT1 |
| Finish | Satin |
| Flange Style | EFI |
| Grade Type | Performance |
| Intake Port Gasket(s) Included | No |
| Manifold Type | Hi-Ram |
| Material | Aluminum |
| Nitrous Bung(s) Included | No |
| Plenum Finish | Natural |
| Product Type | Intake Manifold |
| Removable Runners | No |
| RPM Power Band | 3500-8000+ RPM |
| Single Or Dual Plane Type | Single Plane |
| Throttle Body Bore Diameter | 105 MM |
| Throttle Body Included | No |
| Warranty | Limited 90 Day |
| UPC | 090127730539 |
| Part Number | 300-142 |
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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