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Ships within 48 hours · Estimated delivery Aug 31 - Sep 5
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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
4.7 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 5
Will buy again
Pattern Name: classic
SUCH good quality, stays stuck all day even through sweat
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 29, 2025
★★★★★ 5
Lasted all night long!
Pattern Name: classic
These were perfectly what I envisioned for the Coldplay concert! I’m a girlie who likes to glam up and these did not disappoint. I was hesitant to see if they would stick or fall off since I would be laying them on top of a full face of make up, but nope not a single problem not even with a little sweat from all the walking and dancing. Plus I love the fact that I had a variety to choose from and they are so much fun. Can’t wait for the upcoming rave to wear again.
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Reviewed in the United States on September 21, 2025
★★★★★ 4
Pretty face gems
Pattern Name: lovely
Does the job, pretty face gems
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Reviewed in the United States on March 23, 2025
★★★★★ 5
Halloween Costume
Pattern Name: classic, Pattern Name: classic
I love these!
I wear glasses, so I love how I can put the stickers anywhere
They stayed on the whole day and night!!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 11, 2024
★★★★★ 5
They survive the night well
Pattern Name: classic
Survived through pouring rain and snow for 10 hours at red rocks. Plus they’re all pretty cute.
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Reviewed in the United States on April 11, 2025