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Description
Holley GEN III HEMI Hi-Ram EFI Manifold Base - 300-653Add 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 & 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 & forced induction
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 & 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 & 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 Ceramic 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
- Works with Gen III Hemi Injectors & Bosch EV-1 Style Injectors
- O-Ring Seal to Head – Large Retained O-rings Offer Superior Original Equipment (OE) Style Sealing & 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
Applications
- 2008 - 2020 Dodge Challenger
- 2006 - 2020 Dodge Charger
- 2009 - 2020 Dodge Durango
- 2006 - 2008 Dodge Magnum
- 2009 - 2010 Dodge Ram 1500
- 2009 - 2010 Dodge Ram 2500
- 2009 Dodge Ram 3500
- 2009 - 2010 Dodge Ram 4000
- 2011 - 2020 Ram 1500
- 2019 - 2020 Ram 1500 Classic
- 2010 - 2020 Ram 2500
- 2011 - 2020 Ram 3500
- 2011 - 2020 Ram 4000
- 2014 - 2019 Ram 4500
- 2014 - 2020 Ram 5500
- 2006 - 2020 Jeep Grand Cherokee
- 2009 - 2010 Jeep Commander
- 2005 - 2020 Chrysler 300
- 2009 Chrysler Aspen
Specs
| Brand | Holley EFI |
|---|---|
| Color | Natural |
| Construction | Cast |
| Emission Code | 3 |
| Engine | Gen III Hemi |
| Finish | Satin |
| Flange Style | EFI |
| Front Height | 7.69 inch |
| Fuel System Type | EFI |
| Injector Style Provision | EV-1 |
| Gen III Hemi | |
| Manifold Type | Hi-Ram |
| Material | Aluminum |
| Port Size | 1.70" x 1.88" |
| Product Type | Intake Manifold |
| Rear Height | 7.69 inch |
| RPM Power Band | 1500-7000 |
| Runner Length | 6.65 inch |
| Style | EFI |
| Type of Component | Lower Manifold |
| Vacuum Ports | (2) 3/8" NPT & (1) 1/4" NPT |
| Warranty | Limited 90 Day |
| Part Number | 300-653 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 5
Good chew toy
Color: Purple & Blue
Our golden retrievers love these. They last awhile too
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
★★★★★ 5
Dog toy is tough and durable
Color: Blue&Red Fish
It’s great for aggressive chewers, my pittbull loves it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026
★★★★★ 1
Our dogs hurt their mouths chewing these bones
Color: Purple & Blue
I don't do a lot of reviews because I realize many are objective opinions. However, in this case I felt it was necessary to warn others. Our dogs are aggressive chewers. Their last rubber bones (not these) which we've purchased before, and recently purchased again, were destroyed quickly. Chunks of rubber came off the ends. Since those didn't hold up like they used to, I found these harder bones hoping they would last longer. They were able to gnaw into the hard plastic within a few minutes. This created sharp edges that cut their mouths. When I saw a bit of blood on the bones, I took them away from the dogs and threw them away. I wondered why they quit chewing on them after being so excited at first. Also, these are hard enough to damage a tooth.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 6, 2025
★★★★★ 2
Pups have shown zero interest in these toys….
Color: Purple & Blue
I would agree that these are indestructible being neither of my dogs have shown any interest in these at all. At this rate they should last forever…
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Reviewed in the United States on April 10, 2026
★★★★★ 4
Durable but losses interest
Color: Purple & Blue
My dog is an aggressive chewer. She was interested in this toy while it was new, but soon after lost interest. Good news is although it took a beating it did not break or splinter. If soppy toys are disposable in your house, give it a try.
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Reviewed in the United States on June 8, 2026