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Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
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Description
Holley Single Plane EFI Intake - GM LS1/LS2/LS6 - 300-137Overview: Single Plane EFI LS Intake Manifold. All GM LS Gen III or IV engines equipped with LS1 LS2 LS6 style cathedral port cylinder heads. Features: 2500 7000 RPM power band 4150 Square bore flange Optimized runner layout and constant cross sectional area broad torque curve, best vehicle performance from 2500 7000 RPM Minimum carb flange height fit in vehicles with minimum hood modifications Cast aluminum construction great manifold for centrifugal
Overview:
Single Plane EFI LS Intake Manifold. All GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads.
Features:
- 2500-7000 RPM power band
- 4150 Square bore flange
- Optimized runner layout and constant cross sectional area - broad torque curve, best vehicle performance from 2500-7000 RPM
- Minimum carb flange height - fit in vehicles with minimum hood modifications
- Cast aluminum construction - great manifold for centrifugal blower, turbocharged or NOS power adder applications
- Efficient casting design - lightweight, consistent wall thicknesses, improved casting quality
- Weight - 11.5 lbs.
- Height (front) - 5.417" to the lifter valley cover flange at the engine block front flange
- Port size - 2.50" height x 1.15" wide
- Includes Viton® O-ring intake to cylinder head gaskets - Viton® is a registered trademark of DuPont Performance Elastomers
- Kit does not work with factory fuel rails and requires the use of Holley Fuel Rail Kit P/N 534-219
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| Universal |
Specs:
| Brand | Holley EFI |
|---|---|
| Construction | Cast |
| Emission Code | 3 |
| Engine | GM Small Block Gen III/IV (LS Based) |
| Finish | Satin |
| Flange Style | 4150 Square Bore |
| Front Height | 5.417 inch |
| Fuel System Type | EFI |
| Manifold Type | Single Plane |
| Product Type | Manifold |
| Rear Height | 5.417 inch |
| RPM Power Band | 2500-7000 |
| 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
4.3 ★★★★★
Based on 582 reviews
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Product Reviews
★★★★★ 5
Baby Body lotion
I bought this cream for my 2 babies and I absolutely love it. It keeps their skin very soft, moisturized, and irritation-free. One of my babies has very sensitive skin, and this cream helped a lot with dryness.
I also love that it’s fragrance-free and absorbs well without feeling greasy. We use it every day after bath time, and we’ve noticed a big difference in their skin. 10/10
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Reviewed in the United States on May 25, 2026
★★★★★ 5
A gentle favorite we’ve trusted since baby days
I’ve been buying this since my daughter was a baby, and it’s still a staple in our house today. It’s incredibly gentle on sensitive skin, never caused irritation or dryness, and I love that we can trust it for daily use even now that she’s older.
The formula is mild yet effective, with a clean feel and no overpowering scent. It’s one of those products you stick with because it just works and never disappoints. For the price and reliability, I can’t imagine our home without it.
Pro Tip: Keep one bottle in the bathroom and an extra in the travel bag, great for on the go when your child’s skin needs that extra gentle care.
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Reviewed in the United States on September 30, 2025
★★★★★ 5
Gentle and Effective Daily Lotion for Baby
We’ve been using Eucerin Baby Body Lotion on our son every day, and it’s been very good. It keeps his skin soft, hydrated, and protected, even in the hot and humid southern weather. It absorbs quickly and isn't greasy.
One of the best parts is how gentle it is, we apply it to his whole body, including his face, and even if it gets near his eyes or mouth, he doesn’t fuss or cry. It’s also pediatrician-recommended and fragrance-free, which is always a giant plus.
We’ve had zero issues with irritation or dryness since switching to this, and we’ll definitely keep it as part of our daily routine. Highly recommended for any parent looking for a safe, effective, and affordable baby lotion.
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Reviewed in the United States on July 9, 2025
★★★★★ 5
Really good baby lotion
Recently purchased this, I was skeptical given that I’ve never used river in brand on any of my babies skin, I tried so many different baby lotions (unscented & for sensitive skin) and this one so far has been working great! It isn’t too greasy and my baby’s skin is definitely improving
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Reviewed in the United States on February 17, 2026
★★★★★ 4
Works great for dry skin!
I stumbled across this product when looking for a new lotion for my 2 month olds super dry skin. I tried several lotions until finally this one worked. It is fragrance free which is a huge plus. It was vent gentle on my babies skin and helped with her dry skin fairly quick. This is a staple in our nighttime routine now! Only thing I do not love about it, is that it is a little thin/liquidly which I personally don't like. Overall, great product and would re buy!
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Reviewed in the United States on May 11, 2026