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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.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.1 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 5
This is the one to get
Color: Black
I find having separate controls for temperature and foam density is critical and this model nails it. The "newer model" listed in the product description eliminates the separate controls and does not function as well. This frother also has nice features such as the ability to produce cold foam and easy cleaning. It is also extremely quiet. I've tried several mid-range electric frothers and this is the best.
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Reviewed in the United States on May 11, 2026
★★★★★ 5
So far. so good.
Color: White
This is my 3rd frother that I purchased from Amazon. The others were brand name frothers that broken within a few months of use. I won't name here (hint: begins with an N and ends with an o) This Milk frother from Maestri however works excellent. Multiple heat and drink settings and makes the perfect foam every time. I especially like how the pitcher is removable from the electric base and can be washed with out worry. easy to use. Just read the manual to understand all the settings, makes a perfect froth in less than 2 minutes. I've only had this for a few weeks but I am impressed.
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Reviewed in the United States on February 11, 2026
★★★★★ 4
Loving it so far!
Color: White, Color: White
02 Nov 2025
I've only used this twice and I already love it. My main reason for buying it is for protein hot chocolate I drink twice a day. I previously made it at the stove and that took 13 minutes of constant mixing to reach 160°.
My hot chocolate is 1 cup of milk, 1 tbsp each cacao powder and panela (sugar), 1-2 tbsp collagen powder, vanilla extract, and 1 whole egg. I premix everything before pouring it into the frother because, while it may be able to handle the powders, there's no way that whisk will be able to break the whole egg enough to thoroughly blend it before it starts cooking. I'm totally fine premixing the night before and heating it in the morning. I made the first batch this morning with 2 cups of milk doubling only the cacao and sugar which brought it to just below the top max line, and it came out perfect. It was smooth and there was no burnt taste. I used the recommended hot chocolate attachments, lowest froth setting, and 160° temp setting. I had almost no froth in my hot chocolate which was perfect. I removed the pitcher as soon as it was done to prevent any burning. I checked the temp with a thermometer and the temp was actually 165°. I don't really know if that would impact the taste if there was less milk. For the 2 cups, it was still perfect.
I do wish there was a little more temp control like a 150° or 155° setting. I also wish it was able to give you the temp as it was heating in case you want to pull it off just before it hit the set temp. The bottom right button is superfluous. It helps with the foam setting, but you can also simply press each of those buttons directly.
Cleaning is super easy, just remove the pitcher and attachments. I love that the attachments are magnetic, but I recommend taking them out before pouring because the magnets aren't that strong. All in all, great for the price and perfect for my needs.
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Reviewed in the United States on November 2, 2025
★★★★★ 5
Works great with soy milk
Amazing steamer with high volume capacity. I can make large lattes. I love that it let's you choose your temperature. I use soy milk, and it works perfectly every time.
When using at max temp, only a tiny bit of soy milk gets a little burnt on the bottom, and it scrubs right off. Since the little whipping tool comes off on the inside, it cleans very easily. I love that the little whipping tool is magnetically attached, too. It's super easy to work with and very secure.
My 8 year old uses this all on her own without issue, which proves how easy it is.
Highly recommend.
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Reviewed in the United States on March 12, 2026
★★★★★ 5
Great frother choice!
I love this thing! As a former barista, this frother does a wonderful job! I've done hot and cold foam and they held up great! Used oat milk once and that did a great job foaming up! It can take a few minutes for the foam, so when I start my coffee, I start the foam, too. It's also dishwasher safe, which I love.
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Reviewed in the United States on February 13, 2026