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Description
NOS Dry Nitrous Plate for Holley LS Hi-Ram EFI Intake Manifolds-Black 12535BNOSOverview: This NOS plate designed to bolt between the upper and lower intake manifold on Holley Hi Ram LS manifolds. This sandwich style plate gives you an easy way to add nitrous oxide to your Hi Ram equipped LS engine. Our plate is machined from billet 6061 T6 aluminum, laser engraved with NOS logo, then anodized for great looks and excellent corrosion protection. Our 1 piece plate features machined passages that precisely spray into the center of
Overview:
This NOS plate designed to bolt between the upper and lower intake manifold on Holley Hi-Ram LS manifolds. This sandwich-style plate gives you an easy way to add nitrous oxide to your Hi-Ram equipped LS engine. Our plate is machined from billet 6061-T6 aluminum, laser engraved with NOS logo, then anodized for great looks and excellent corrosion protection.
Our 1-piece plate features machined passages that precisely spray into the center of each cylinder. Plate includes jetting for up to 250 horsepower but is capable of supporting 1000+ horsepower. The plate is made from billet aluminum with passages machined directly into the plate so there is no need to worry about spray bars breaking or spinning. Includes NOS plate, gasket, jet holders, and jets.
Features:
- This dry single stage plate sandwiches between the bottom base and top plate on Holley Hi-Ram intake manifolds
- Designed specifically for optimum nitrous distribution on LS-based engines
- Sprays nitrous directly into each cylinder runner for proper nitrous distribution
- Features a machined 0.103” passage that feeds eight 0.040” openings per intake runner
- Plate is made from billet 6061-T6 aluminum and has laser etched NOS logo
- Anodized Black for corrosion resistance and high quality appearance
- Includes jetting for 50, 100, 150, 200, and 250 horsepower configurations
- Supports up to 1000+ horsepower (jets purchased separately)
- Includes Plate, Gasket, Hardware, Jet Holders, and Jetting for up to 250 horsepower
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 1997 - 2004 | Chevrolet | Corvette | 3.9/8 V | |
| 2004 - 2005 | Cadillac | CTS | 3.9/8 V | |
| 2010 - 2015 | Chevrolet | Camaro | 4.06/8 V | |
| 2014 - 2017 | Chevrolet | SS | 4.06/8 V | |
| 2008 - 2013 | Chevrolet | Corvette | 4.06/8 V | |
| 1998 - 2002 | Pontiac | Firebird | 3.9/8 V | |
| 2005 - 2007 | Chevrolet | Corvette | 4/8 V | |
| 2009 | Pontiac | G8 | 4.06/8 V | |
| 1998 - 2002 | Chevrolet | Camaro | 3.9/8 V | |
| 2004 | Pontiac | GTO | 3.9/8 V |
Specs:
| Adjustable | Yes |
|---|---|
| Bottle Included | No |
| Brackets Included | No |
| Brand | NOS |
| Color | Black |
| Delivery Style | Hi-Ram Plate |
| Emission Code | 4 |
| Included Jetting Horsepower | 50, 100, 150, 200, 250 |
| Jet Style | Flare |
| Material | Aluminum |
| Max Horsepower | 1000 |
| Plate Flange | Holley Hi-Ram |
| Plate Height | 1/2 inch |
| Plate Included | Yes |
| Product Type | Nitrous Plate |
| System Style | Dry |
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
4.9 ★★★★★
Based on 466 reviews
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Product Reviews
★★★★★ 5
It's fantastic. It's just not quite perfect.
Color: Black, Size: Full Size
Update after almost 2 years of ownership:
I've gotten very used the the height of the full height keyboard wrist rest. I can't go back to a smaller one. It's super comfortable. I bought a second one for work and 2 mouse wrist rests to go along. All of them are built fantastically. They clean easily. If something happened to one of the ones I already have, I would come straight back here to buy another of the same one. On point #2 in my original review below, I still wish the edges weren't tapered so much, but I have gotten used to it. I gave in and offset the wrist rest from the keyboard. Not ideal, but it gets the job done.
Bottom line: would recommend any time.
Original review:
The build quality is good. The fabric is nice and soft. The bottom keeps it from sliding. It seems great, overall. I have only 2 problems with this thing:
1. It's too thick. I should have gone with the thinner one. Maybe it'll wear out a bit and my hands will lower into a position with which I'm more comfortable.
2. The left and right sides taper off. It's fine that the front and back do, but having the sides tapered means that if I center this along the bottom of my keyboard and rest my hands to type, my left hand is partially sloping off to the left side, off of the rest. Obviously this is easily fixed by sliding the rest to the left of center, but I've got a compulsion about things lining up and this really really digs into my brain badly.
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Reviewed in the United States on April 4, 2017
★★★★★ 5
By about last year I started looking at more pricey wristpads like the leather wrapped ducky and several other imitations online
Color: Black, Size: Full Size, Color: Black, Size: Full Size
I've been using Grifiti wristpads for a few years now at home and work. I buy a replacement every 6/9 months due to them getting absolutely filthy and having the top fabric falling apart. By about last year I started looking at more pricey wristpads like the leather wrapped ducky and several other imitations online. I decided to wait and at one point heard of Glorious although I was on a new set of Grifiti's so didn't think a lot of it.
So the time came for new pads (once again!) and when I was checking for alternatives to the Grifiti (and the Leather from EliteKeyboards, Ducky, Filco, and other wristpads -- sheesh, I'd think I was talking keyboards there with names). Then I came across the Glorious and recalled its a higher quality wristpad so I decided to order a full and compact to use at work. Definitely very happy with them so far and by 6 months and a year then I'll see how they hold out.
Pros:
* Cushion-y soft great for resting and supporting wrists, hands, or an arm on
* Firm without being too hard or soft
* Cloth wrapped so they're not going to wear apart like a Grifiti
* Cloth is sewed to the base and not glued by inspection
* Doesn't slide, there's a textured non-slick rubber on the bottom. Great on my work desk!
* Good price, the leather imitation glued to a base starts at $30+ dollars and they go up to $70
Cons:
* None so far!
I'll be buying 1 more for home use in a month as im using both full and compact at work. The compact size matches up well with my mouse pad there although you may want to measure if you do this. May Gaben be with you!
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Reviewed in the United States on August 18, 2015
★★★★★ 4
Overall great
Color: Black, Size: Mouse Wrist Pad
All positive things to say except one mildly negative comment which is also personal preference.
Positives
1. Made well, doesn't fall apart or tear at the seams.
2. Perfect size for a mouse wrist rest
3. Comfortable for average duration usage, 2-5 hours
4. Simple yet elegant design, nothing over the top or "gamery" (It is a freakin wrist rest folks, it looks good and works)
5. Non slip rubber does keep it from sliding around the majority of times on the majority of surfaces such as glass and metal however on a slick laminate I find it still slides about a bit. It works well but when they look to the future perhaps an eval on this would help.
Negatives (Take with a grain of salt as I suffer from both Arthritis and Carpal Tunnel from 20 years of long duration PC use)
1. Too firm and not contoured to cradle your wrist. Because of this I find for my use (12-16 hours daily as I work and play on PC) it still causes fatigue and eventual pain. I would prefer the material cradle my wrist either by adding additional depth to the support material while softening it or again have a contoured shape.
Overall this works incredibly well and for somebody who put a ton of effort and money in the aesthetics of my PC master race set up with RGB everywhere and whatnot, having a simple and good looking wrist rest goes a long way to add to the look without detracting from any other element as those other "Gamer" wrist rests do. I love the thing and it is the best I have found however for my personal situation with wrist injuries I would love this company to produce one focused on fatigue prevention for those of folks with common PC use conditions.
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Reviewed in the United States on May 29, 2020
★★★★★ 5
Great, but add a little space
Color: Black, Size: Compact, Color: Black, Size: Compact
It fits PERFECTLY. I pushed the pad against the keyboard to show how it fits dimensions literally PERFECT for the Steelseries Apex Pro 60% Gen 3 keyboard (which doesnt include a wrist rest) but, functionally, it should be slid a little back from the lip if the board. Due to the height the cusion gives, when spaced about 1.5 inches from the keyboard, all strain from typing is completely eliminated. Either way, Glorious.
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Reviewed in the United States on May 16, 2026
★★★★★ 5
So Comfy!
So soft, so comfy! I have never had a wrist rest before, but since upgrading to my first custom keyboard, which is higher off of the desk than my previous one, I wanted some comfort and support. This wrist rest is perfect, but keeping in mind it is meant for ten keyless keyboards, and my keyboard is also made by Glorious, it is perfect size and height. For a slimmer lower profile keyboard it might be a bit tall. I would make sure that your keyboard thickness will accommodate how thick this thing is. It is nice and firm, and should hold up for a long time :)
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Reviewed in the United States on July 17, 2025