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Description
Holley Lo-Ram Manifold Kit Dual Injector- Black - GM LS3/L92 300-683BKDual Injector Manifold and Fuel Rails Black Finish Features: Designed for GM LS Gen III and IV engines equipped with GM LS3 L92 cylinder heads Provides best performance for forced induction (supercharged or turbocharged) engine applications with peak power at 7000 8000 rpm, depending on the application Dual injector, separate passage, high volume fuel rails with mounting hardware, dual fuel capable, 8 AN o ring ports Low height to aid the packaging of
Dual Injector Manifold and Fuel Rails- Black Finish
Features:
- Designed for GM LS Gen III and IV engines equipped with GM LS3/L92 cylinder heads
- Provides best performance for forced induction (supercharged or turbocharged) engine applications with peak power at 7000-8000 rpm, depending on the application
- Dual-injector, separate-passage, high-volume fuel rails with mounting hardware, dual-fuel capable, 8 AN o-ring ports
- Low height to aid the packaging of a plenum mounted air-to-water intercooler in a top-feed configuration
- Available with both as-cast satin and black power-coat finishes
- High volume fuel rails for eight and sixteen injector configurations. Mounting hardware included with3/4-16 O-ring ports (8 AN)and mounting hardware included with 3/4-16 O-ring ports (8 AN)
Specs:
| Basic Operating RPM Range | 3500-8000 RPM |
|---|---|
| Brand | Holley EFI |
| Category Filter | Intake Manifolds |
| Clearance Category | Intake Manifolds |
| Color | Black |
| Construction | Cast |
| EGR Port | No |
| Emission Code | 3 |
| Engine | GM LS3/L92 |
| Finish | Black |
| Fuel System Type | EFI |
| Grade Type | Performance |
| Injector Quantity | Dual |
| Inlet Location | Top |
| Intake Port Gasket(s) Included | No |
| Manifold Type | Lo-Ram |
| Material | Aluminum |
| Nitrous Bung(s) Included | No |
| Plenum Finish | Black |
| Product Type | Intake Manifold Base |
| Recommended Use | Forced Induction |
| Removable Runners | No |
| RPM Power Band | 3500-8000 RPM |
| 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
4.5 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 4
Great product. Poor packaging
Scent: Fragrance Free, Size: 96 Fl Oz (Pack of 1)
We heard this was a must have product to use when having a baby. The product seems to work great as we have been using it for a few loads a week now. Giving four stars because the packaging was not the best and two out of the three bottles were leaking at the neck when it arrived. It didn’t seem worth the hassle to return so we kept it. If the packaging could be updated it would be all around solid.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2023
★★★★★ 5
Bueno
Scent: Fragrance Free, Size: 96 Fl Oz (Pack of 1)
Muy bueno el producto, no tiene olor y hasta el momento llevo más de un mes usándolo y mi nene no le ha hecho alergia
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 7, 2026
★★★★★ 5
Removes very hard stains w/ease!
Scent: Fragrance Free, Size: 96 Fl Oz (Pack of 1)
I've been using this for a while on my son's clothes & have been happy, it's concentrated so less is more. But what makes me give it 5 stars is it's ability to remove dried sweet potato baby food out of a light cream colored onesie lol wow! I followed the directions, poured a little on the stain, rubbed it in & let it sit for a few mins. Then just tossed it in the washer & hoped for the best... ALL of the stain came out, you can't tell it was ever there! That in itself makes it worth every penny. I will be repurchasing before this bottle runs out!
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Reviewed in the United States on March 2, 2025
★★★★★ 5
Wonderful
Worked really well to soothe my sunburns quickly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 12, 2025
★★★★★ 5
Coconut deliciousness
Best stuff makes my skin so soft and love the smell of coconuts. Makes my skin so soft
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2025
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