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#42500653
Holley 300-653BK Gen III Hemi Hi-Ram EFI Manifold Base, Black
- Add Even More Power to the Gen III Hemi Engine with a Holley Hi-Ram Intake Manifold
- Fits Gen III Hemi Engines w/ Large Intake Ports (1.70" Height x 1.88" Wide) - fits 2009-up 5.7L, 2005-2010 6.1L, 2011-up 6.4L)
- Cast Aluminum Construction w/ Natural Satin or Black Finish
$1,049.95
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$1,124.95
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Product Summary
1,500-7,000 RPM Range, Hemi Cylinder Head Configuration
- Add Even More Power to the Gen III Hemi Engine with a Holley Hi-Ram Intake Manifold
- Fits Gen III Hemi Engines w/ Large Intake Ports (1.70" Height x 1.88" Wide) - fits 2009-up 5.7L, 2005-2010 6.1L, 2011-up 6.4L)
- Cast Aluminum Construction w/ Natural Satin or Black Finish
- Runner Length and the Tapered Cross Section Designed to Perform Well for a Wide Range of Engine Configurations
- Includes EFI Fuel Rails w/ -8 AN O-Ring Fittings & Large Passages to Accommodate High Fuel Flow and Dampen Pressure Pulsations in the Fuel System
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Holley 300-653BK Details
HOLLEY GEN III HEMI HI-RAM EFI MANIFOLD BASE
Gen III Hemi EFI Manifold Base - Black Finish - Fits 2009-up 5.7L, 2005-2010 6.1L, and 2011-up 6.4L
Add even more power to your Gen III Hemi engine with a Holley Hi-Ram intake manifold. This cast intake manifold has large intake ports - fits 2009-up 5.7L, 2005-2010 6.1L and 2011-up 6.4L engines. The Holley Hi-Ram intake manifold is for high-performance applications where induction system height is not limited. Using this Hi-Ram intake with high flowing Gen III Hemi cylinder heads has outstanding potential for naturally aspirated and forced induction applications. Aggressive, bold, race-bred styling will make bad intentions clear for drag race, muscle car, marine, off-road, sandrails, pulling trucks, track, street-rod applications and more! The base is designed to be modular in configuration to accept a wide range of EFI tops and to be attractive to builders and fabricators as the foundation for custom induction systems. Runner length and the tapered cross-section designed to perform well for a wide range of engine configurations. The EFI fuel rails are machined for -8AN O-ring fittings with passages large enough to accommodate high fuel flow and dampen pressure pulsations in the fuel system and come standard with EFI Hi-Ram kits. Intended for use on naturally aspirated, forced induction, or nitrous engines in the 5.7 to 7.2+ liter range, max power at 7500-8500 RPM.
Features:
- Add Even More Power to the Gen III Hemi Engine with a Holley Hi-Ram Intake Manifold
- Fits Gen III Hemi Engines w/ Large Intake Ports (1.70" Height x 1.88" Wide) – fits 2009-up 5.7L, 2005-2010 6.1L, 2011-up 6.4L)
- Cast Aluminum Construction w/ Natural Satin or Black Finish
- Runner Length and the Tapered Cross Section Designed to Perform Well for a Wide Range of Engine Configurations
- Includes EFI Fuel Rails w/ -8 AN O-Ring Fittings and Large Passages to Accommodate High Fuel Flow and Dampen Pressure Pulsations in the Fuel System
- Works with Gen III Hemi Injectors and Bosch EV-1 Style Injectors
- O-Ring Seal to Head – Large Retained O-rings Offer Superior Original Equipment (OE) Style Sealing and Are Easy to Replace
- Billet Oil Fill Cap – Attractive Low Profile Design
- Positive Crankcase Ventilation (PVC) Ports w/ Adapter Fittings
- Overall Height: 11.59"
- Port for OE Style Manifold Absolute Pressure (MAP) Sensor (1 or 2 Bar)
- Cast-In Pads for Adding Nitrous Nozzles
- Manifold Base – Available Separately for Custom Induction Systems
Guides & Documents
CARB Warning
For use on pre-1966 vehicles only
CARB Warning
For use on pre-1966 vehicles only
Holley 300-653BK Specifications
Holley 300-653BK Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 300-653BK |
| Brand | Holley |
| RPM Range | 1,500-7,000 |
| GENERAL | |
| EGR | No |
| Cylinder Head Configuration | Hemi |
| Intake Section Included | Base Only |
| Plenum Material | Aluminum |
| Plenum Finish | Black ceramic |
| Base Material | Aluminum |
| Throttle Body Included | No |
| Injectors Included | No |
| Aftermarket Fuel Rail Required | Yes |
| Runners Included | Yes |
| Runners Removable | No |
| Supplemental Bosses Cast-In | No |
| Supplemental Bosses Machined | No |
| Sold in Quantity | Each |
| Notes | Fuel rails are machined for -8 AN O-ring male fittings. |
| GTIN Code | 090127105078 |
| Engine Block Deck Height | Standard deck |
| Fuel Injection Style | Multi-port |
| Multi-Port Fuel Rails Included | Yes |
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