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Description
HOLLEY 300-117 HI-RAM INTAKE - GM LS3/L92LS3 HI RAM IM, EFI, 1 X 105MM LS Overview The Holley GM LS3 L92 Modular Hi Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet metal for high performance applications where induction system height is not limited. Coupling this Hi Ram intake with the high flowing LS3 L92 style cylinder heads has outstanding potential for N A and forced induction applications at a budget minded cost. Aggressive, bold, race bred styling
LS3 HI-RAM IM, EFI, 1 X 105MM LS
Overview
The Holley GM LS3/L92 Modular Hi-Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet-metal for high-performance applications where induction system height is not limited. Coupling this Hi-Ram intake with the high flowing LS3/L92 style cylinder heads has outstanding potential for N/A and forced induction applications at a budget-minded cost. 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 carbureted and 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 EFI fuel rails are machined for -8AN O-ring fittings with passages large enough to accommodate high fuel flows and dampen pressure pulsations in the fuel system and come standard with EFI Hi-Ram kits. Cast aluminum construction. Intended for use on N/A or forced induction engines in the 6.0 to 7.0+ liter range, max power at 7000-8000+RPM.
Features:
- Base Plenum Top Mounting Flange Height – 8.42” to the lifter valley cover flange on engine block.
- Total Height with 92/105mm EFI Plenum Top – 12.32” to the lifter valley cover flange on engine block.
- Port Size – 2.49” Height x 1.21” Wide
- Mounting Flange Gasket Type – Standard LS3 Molded O-Ring
- Plenum Top Gasket Type – 3/32” Round O-ring Cord
- Throttle Body Flange Location, with 92/102mm EFI Plenum Top : Height – 8.42” (from engine block lifter valley cover flange), Longitudinal Location – 3.84” (forward from engine block front flange), Angle – 25 deg. (down from vertical)
- Runner Length – 6.50”, As-Cast Runner Cross-Sectional Area – Tapered 4.25 in² to 2.77 in²
- Manifold has provisions for (1) 3/8 NPT and (2) 1/8 NPT fittings
Specs
| Brand | Holley EFI |
|---|---|
| Color | Aluminum |
| Construction | Cast |
| Emission Code | 3 |
| Engine | GM LS3/L92 |
| Finish | Satin |
| Flange Style | EFI |
| Front Height | 12.32 inch |
| Fuel System Type | EFI |
| Manifold Type | Hi-Ram |
| Product Type | Manifold |
| RPM Power Band | 7000-8000 |
| Warranty | Limited 90 Day |
| Part Number | 300-117 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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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.
- To process your return/exchange, please contact us at [email protected]
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4.0 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 4
Simple, does the trick.
Size: EK6002
It's a simple, basic scale. Lightweight, it's easy to move from where I stash it to where I use it for measuring coffee. The unit of measure holds it setting when you turn it off, which is nice. I use it in grams for coffee, which is 95% of my use. I acquired a big bag of coffee (5lbs or so) which I broke down into smaller vacuum-packed bags for storage, measured out at 180g each. The scale mostly performed like a champ, although it drifted off zero twice between during bags. Simply shutting restarting the scale got it back on track. It works for me, if you're a hardcore candy maker or baker, you may want a higher quality unit.
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Reviewed in the United States on October 19, 2024
★★★★★ 5
Great scale, great price.
Size: EK6002
3 years in, this scale was well worth the $23 cost . Still works flawlessly. I use it multiple times per day for coffee and cooking. Honestly if it had been twice that much it would have been worth it. Partially because of the price point, I don't know if I could come up with a complaint if I had to give one.
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Reviewed in the United States on March 27, 2026
★★★★★ 5
incredible scale!!
Size: EK6002
super nice scale!! i use it for my matcha and it helps me get my measurements just right!! highly recommend this scale
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Reviewed in the United States on April 28, 2026
★★★★★ 5
Great addition to our coffee station.
Size: EK6002
Love it. It's accuracy might be a little fuzzy about measuring the last tenth of a gram, probably due to rounding. But it showed a difference when a single coffee bean was added. Easy to read. The removable pad makes it easier to clean. It fits right on my little coffee station. To be honest, I didn't read the instructions. It's fairly intuitive if you know how they are supposed to work. I like it.
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Reviewed in the United States on November 26, 2025
★★★★★ 1
Broken, after 1 week of use
Size: EK6002
Sorry but, no. Stopped working after less than 1 week of use. They pre-install cheap batteries. I used it for a few days but then It wouldn’t turn on so I switched them out with fresh ones. Now the start/stop button isn’t working. Discovered during an extraction…arg!! Don’t mess with me while performing my craft! lol. Build quality is poor. Don’t over handle it, yeah, that’s how fragile it appears to be. I like that it is light weight but so light, I question if the durability and weight factor are compromising the output accuracy. Doesn’t feel reliable at all. I also question if this is waterproof, again, having everything to do with build quality. This is not my first scale but it is for coffee use so I’m on the hunt for a better one. This was cheap in price, yes. But as the old saying goes, you get what you pay for. One good thing that came out of this is, while it was working, I realized how much this was really needed for me to make exceptional and accurate espresso shots, so time to find a better one. I wanted this to work, I really did.
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Reviewed in the United States on April 3, 2026