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Description
Holley Ultra Lo-Ram Manifold Kit Single Injector- Black - GM LS3/L92 300-680BKUltra Lo Ram Manifold Kit LS3 Black Finish Features: Designed for GM LS Gen III and IV engines equipped with GM LS3 L92 cylinder heads? Engineered for forced induction (supercharged or turbocharged) engine applications with peak power at 7000 8000 rpm depending on the application. Low height to fit under a stock or mildly modified hood in the front configuration Front entry plenum flange allows design & fabrication of special throttle body adapters or
Ultra Lo-Ram Manifold Kit - LS3 Black Finish
Features:
- Designed for GM LS Gen III and IV engines equipped with GM LS3/L92 cylinder heads?
- Engineered for forced induction (supercharged or turbocharged) engine applications with peak power at 7000-8000 rpm depending on the application.
- Low height to fit under a stock or mildly modified hood in the front configuration
- Front entry plenum flange allows design & fabrication of special throttle body adapters or inlet ducts for custom installations
- Clears C6 Corvette cowls and hoods without modification
- Available with single or dual injector provisions and a burst panel flange.
- High volume fuel rails for eight and sixteen injector configurations. Mounting hardware included with 3/4-16 O-ring ports (8 AN)
- Billet options for the top and throttle body adapters are available seperately.
Specs:
| Basic Operating RPM Range | 3500-8000 RPM |
|---|---|
| Brand | Holley EFI |
| Burst Panel Compatible | Yes |
| Category Filter | Intake Manifolds |
| Clearance Category | Intake Manifolds |
| Color | Black |
| Construction | Cast |
| EGR Port | No |
| Emission Code | 3 |
| Engine | GM LS3/L92 |
| Finish | Black |
| Flange Style | EFI |
| Front Height | 6.86" height with throttle body adapter |
| Front Maximum Height | 6.86 IN |
| Fuel System Type | EFI |
| Grade Type | Performance |
| Injector Quantity | Single |
| Inlet Location | Front |
| Intake Port Gasket(s) Included | No |
| Manifold Type | Ultra Lo-Ram |
| Material | Aluminum |
| Nitrous Bung(s) Included | No |
| Plenum Finish | Black |
| Product Type | Intake Manifold |
| Recommended Use | Forced Induction |
| Removable Runners | No |
| RPM Power Band | 3500-8000 RPM |
| Sale Category | Air and Fuel Delivery |
| Single Or Dual Plane Type | Single Plane |
| Throttle Body Bore Diameter | 105 MM |
| Throttle Body Included | No |
| Warning | California Proposition 65 |
| Warranty | Limited 90 Day |
Application:
| Year | Make | Model | Submodel |
|---|---|---|---|
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
4.4 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
Great sunscreen
Size: 2.12 Ounce (Pack of 1)
This is the creamiest best sunscreen ever. It's not greasy and it feels like it's definitely moisturizing and goes on super smoothly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
★★★★★ 5
Great all around sunscreen
Size: 2.12 Ounce (Pack of 1)
Love this product. I have dry skin and this is emollient but not greasy. Floats over my fave and feels just right while softening my fine lines. Light fragrance that’s not too much. I definitely recommend this for all skin types.
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Reviewed in the United States on April 12, 2026
★★★★★ 1
Itchy, red rash
Size: 2.12 Ounce (Pack of 1)
I suspect that they are lying about the ingredients in this product. I have never reacted to any skincare products except for chemical sunscreens. This product claims to be a mineral based sunscreen but I had a terrible reaction to it. I have an itchy, red rash all over my face and arms that's been taking days to improve. I can't help but wonder if they are not disclosing all of the components of this product. I will be returning this product and requesting a refund.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
It really worked for me
I'm a cancer survivor am 56 years old, can't use fragrances or harsh chemicals and had a bad rash on my face for a long time. No medication worked. Tallow and Honey balm cleared my rash that was all over my face. It was very depressing because for a while I could not go out.
Right now, as long as they don't change the formula and it continues to works I will be a repeat customer. I find the smell and texture great, it does not interfere with my allergies etc.
I would reccomend it. I tried it first on a small section for about a week , then since I had no bad reactions I use it all over face. Morning and night. It is a great product, it has worked for me and I pray it works for you all as well. Good luck!!! Blessings and prayers.
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Found the solution to my rashes
This cream is the best for skin rashes or dryness. It’s so easy to apply and your skin feels nourished immediately after applying it. It’s fragrance is gentle and not strong at all. It has helped my skin recover from the multiple rashes I had. I highly recommend it. It’s so gentle that can be used on a baby.
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Reviewed in the United States on June 4, 2026