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USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
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Description
LS7 Carbureted Base Only 300-228LS7 Carbureted Base Only The Holley GM LS7 Modular Hi Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet metal for high performance applications where induction system height is not limited. Coupling this Hi Ram intake with the high flowing LS7 style cylinder heads has outstanding potential for N A and forced induction applications at a budget minded cost. Aggressive, bold, race bred styling will make bad intentions
LS7 Carbureted Base Only
The Holley GM LS7 Modular Hi-Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet-metal for high-performance applications where induction system height is not limited. Coupling this Hi-Ram intake with the high flowing LS7 style cylinder heads has outstanding potential for N/A and forced induction applications at a budget-minded cost. Aggressive, bold, race-bred styling will make bad intentions clear for drag race, muscle car, marine, off-road, sandrails, pulling trucks, track, street-rod applications and more!
NOTES: These parts should be used for the following applications: Racing/Performance/Street Rodder where hood restrictions are NOT a consideration.
Features:
- Port Size ? 2.49? Height x 1.21? Wide
- Mounting Flange Gasket Type ? Standard LS3 Molded O-Ring
- Plenum Top Gasket Type ? 3/32? Round O-ring Cord
- Runner Length ? 6.29?, As-Cast Runner Cross-Sectional Area ? Tapered 4.67 in? to 2.84 in?
Specs:
| Basic Operating RPM Range | 3500-8000Revolutions per Minute |
|---|---|
| Brand | Holley |
| Carburetor Studs Included | No |
| Clearance Category | Air and Fuel Delivery |
| Color | Natural |
| Construction | Cast |
| Discount Percentage | 26-50% |
| EGR Port | No |
| Emission Code | 4 |
| Engine | GM LS7 |
| Finish | Silver |
| Fuel Injectors Included | No |
| Fuel Rail(s) Included | No |
| Fuel System Type | Carb |
| Gasket Or Seal Included | No |
| Grade Type | Performance |
| Intake Port Gasket(s) Included | No |
| Material | Aluminum |
| Nitrous Bung(s) Included | No |
| Plenum Finish | Natural |
| Product Type | Intake Manifold Base |
| Removable Runners | No |
| RPM Power Band | 3500-8000 RPM |
| Sale Category | Air and Fuel Delivery |
| Single Or Dual Plane Type | Single Plane |
| Throttle Body Included | No |
| Type of Component | Lower Manifold |
| Warranty | Limited 90 Day |
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
4.2 ★★★★★
Based on 406 reviews
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Product Reviews
★★★★★ 5
Love
Color: White/All Season, Size: Queen
Very good comforter, soft and comfortable. It is warm but lightweight, and it feels high quality. The cotton fabric is nice and doesn’t cause allergies. Perfect for a good night’s sleep. I recommend it
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Reviewed in the United States on April 14, 2026
★★★★★ 4
High quality, but it makes a sound like crinkling.
Color: White/All Season, Size: Queen
I enjoy the warmth of this comforter. Yet very lightweight. It is not as big and fluffed up as the first photo. It does feel like hotel softness and has loops for a duvet cover. The only thing I don't like is the sound it makes. It crinkles when you move it around. If it made no sound I would rate 5 stars.
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Reviewed in the United States on April 6, 2026
★★★★★ 5
Hotel-like comfort at home
Color: White/All Season, Size: King
This Serta duvet has surprised me very positively. Since I took it out of the packaging it feels of good quality, with a soft and pleasant to the touch cotton fabric. The King size (106 x 90 inches) perfectly covers the bed and falls very well on the sides, which gives it an elegant look.
I like that it is of medium warmth, because it works well throughout the year without feeling too heavy or too light.
Another point in favor is that it is hypoallergenic, something important if you are sensitive to dust or certain materials. So far it has maintained its shape well and has not been lagged.
In general, it is a very good option if you are looking for a comfortable duvet, with the appearance of a hotel and that you can use in any season.
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Hotel-Quality Softness and Perfect Comfort.
Color: White/All Season, Size: King, Color: White/All Season, Size: King
Excellent quality! Super soft, comfortable, and with the perfect weight to sleep cool yet cozy at the same time. The King size fits perfectly and feels like a luxury hotel comforter. Highly recommended.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
★★★★★ 5
Adds comfort and support
Color: Green, Size: Twin
I’ve been using this bamboo mattress topper for a couple of weeks now, and it completely changed the feel of my bed. My mattress was starting to feel too firm and uncomfortable, especially on my lower back and shoulders, but this topper added the perfect amount of cushioning without making the bed feel overly soft or saggy.
The cooling effect was one of the biggest surprises. I tend to sleep hot and usually wake up sweating during the night, but the bamboo-derived fabric feels breathable and much cooler than regular mattress pads I’ve owned before. It stays comfortable throughout the night and doesn’t trap heat like memory foam toppers sometimes do.
I also really appreciate the waterproof protection. It gives peace of mind without feeling stiff or making that annoying crinkling noise some waterproof covers have. The surface still feels soft, plush, and smooth. It honestly feels more like a hotel-style pillow top than a basic mattress pad.
The thickness is just right for pressure relief. It helped reduce the soreness I usually wake up with in my back, and I’ve been sleeping much more comfortably overall. The deep pockets also held securely on my twin mattress and didn’t slide around, even after moving a lot during sleep.
Another thing I liked was how fluffy and well-made it looked right out of the package. After letting it expand for a bit, it became nicely plush and evenly padded. The stitching seems durable, and it still looks great after washing.
If you’re looking for a softer, cooler sleeping surface with added waterproof protection and better support for aches and pains, this mattress topper is definitely worth it. It made my bed feel newer and far more comfortable without needing to buy a whole new mattress.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
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