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Ships within 48 hours · Estimated delivery Aug 30 - Sep 4
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Description
Lo-Ram Manifold Base and Fuel Rails Single Fuel Injector GM LS3/L93 300-670BKTop feed Single Injector manifold and fuel rails only 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 Modular LS3 Lo Ram
Top-feed Single Injector manifold and fuel rails only-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
- Modular LS3 Lo-Ram design allows customization for user desired configurations
- Modular design allowing the use of the included top-feed plenum entry
- Available with both as-cast satin and black power-coat finishes
- High volume fuel rails for eight and sixteen injector configurations. Mounting hardware included with 3/4-16 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 | Single |
| 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 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
4.3 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Nice!
Size: Medium, Color: C-1-black
Nice
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 2, 2025
★★★★★ 4
Just Right!
The material is sports wear - light, breezy and silky to the touch.
Pattern/Design came out as expected from the image, no errors and I tend to choose 1 size up so Medium - Large are my go to's.
Fit well with spare room to fill.
Worth the money.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 18, 2023
★★★★★ 5
Highly recommended!
Size: UNIT, Color: Navy Blazernew British Tan
I got this for my husband for Christmas and he loves it!!! He recently got a corporate job and was in need of something nice and durable, that would also last a long time.
It has just enough space for all his things. He also has received so many compliments on it!
We def recommend!
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Reviewed in the United States on December 5, 2025
★★★★★ 5
Great utility
Size: UNIT, Color: Navy Blazernew British Tan
Looks great, high quality leather
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Reviewed in the United States on January 2, 2026
★★★★★ 5
Beautiful leather bag.
Size: UNIT, Color: Navy Blazernew British Tan
Absolutely beautiful bag. And at an amazing price compared to the Cole Haan website. Plenty of functionality and compartments. It will hold your MacBook and your iPad at the same time. And there's an exterior pocket for your iPhone. Very well made and extremely stylish.
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Reviewed in the United States on June 11, 2025