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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
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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
4.8 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
Great dog toy!
Color: Smooth Pup
Good size for my dachshund. He absolutely loves it! Crunchy sounds and squeaks
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 10, 2026
★★★★★ 5
A "Pouch" of Perfection for my Zen Bestie
Color: Drool Mint
My husband is always reaching for his Zyn, so I figured, why can’t my dog... be Zen too?! It was time he had his own "nic-o-treat" to enjoy.
This parody toy is a total sensation. My pup is obsessed with the texture; it’s perfectly crunchy and noisy when he plays or chews on it, which keeps him entertained for hours. It’s definitely not your "ruff" average chew toy—it’s built to last and provides the ultimate paws-itive reinforcement.
If you want your dog to stay chill-ing like a pro while you enjoy your own downtime, this is the "upper" your toy box needs. It’s un-fur-gettable!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 12, 2026
★★★★★ 5
Dogs love this toy!
Color: Drool Mint, Color: Drool Mint
My digs go crazy over this toy. They are both small and it’s the perfect size for them. It take a beating and still in great shape after 4 months!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 12, 2026
★★★★★ 5
The Zen Dog Toy
Color: Drool Mint
These were a cute dog toy for my son's dog. If the person who uses Zen has a dog this is a funny dog toy to get them
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
★★★★★ 5
Our dog’s new favorite toy!
Color: Citrus Lick, Color: Citrus Lick
Excellent quality and happy to support a family business. Great crinkle and a good squeaker, she was instantly hooked. More durable than anticipated as well!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 5, 2026
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