SKU: 32235513304

Holley Hi-Ram Lower Manifold - GM LS7- Black - 300-229BK

Sale price$427.48 Regular price$474.98
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Description

Holley Hi-Ram Lower Manifold - GM LS7- Black - 300-229BKOverview: 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

Overview:

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!  The base is designed to be modular in configuration to accept a wide range of carbureted and EFI tops and to be attractive to builders and fabricators as the foundation for custom induction systems.  Runner length and the tapered cross-section designed to perform well for a wide range of engine configurations  EFI fuel rails are machined for -8AN O-ring Fittings with passages large enough to accommodate high fuel flows and dampen pressure pulsations in the fuel system and come standard with EFI Hi-Ram kits.  Cast aluminum construction.  Intended for use on N/A or forced induction engines in the 6.0 to 7.0+ liter range, max power at 7000-8000+RPM.

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 in² to 2.84 in²

 

Application:

Year Make Model Submodel Engine Size
Universal

 

Specs:

Brand Holley EFI
Color Black
Construction Cast
Emission Code 3
Engine GM LS7
Fuel System Type EFI
Product Type Manifold
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:
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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
SKU: 32235513304

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Plex
Charlottesville, US
★★★★★ 4
Love those sneakers but the longevity is questionable.
Size: 5.5 Big Kid, Color: Navy/Lavender
My daughter loves the look and no shoelace design, but maybe she is just a tad too active and these shoes usually last less than 1 year. Luckily unless you decide to hand its down to your next child, longevity is usually not my top concern as they will outgrow the size before it broke.
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Reviewed in the United States on March 9, 2025
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CFlare
Pawtucket, US
★★★★★ 5
Great durability & washablity.
Size: 4 Big Kid, Color: Black/Rose Gold
These Skechers slip on shoes are perfect for kiddos! I've probably bought +20 pairs between my 3 daughters over the past 3-4 years. The shoes are comfortable, durable, last until the kids outgrow them, and best of all are easy to wash in my clothes washer. Definitely a great value. They come in so many different colors and styles that my kids easily find a pair that satisfy their personal tastes.
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Reviewed in the United States on April 22, 2025
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Robert Hebert
Omaha, US
★★★★★ 5
comfy and well-fitted
Size: 5 Big Kid, Color: Lavender/Multi
My daughter loves the color and the way it fits her feet. Her toes don't feel tight and squished. This is big for her since she has curved nails, and the pressure gives her sores if the shoes are too narrow at the toes. She likes that they are slip ons becasue in a rush, she doesn't like to tie her shoes; the easy use is perfect. She is a runner, not professionally, but she is ten, and she runs a lot at school. These are durable and last a long time compared to cheaper brands. I'm glad she doesn't care for brand names because this is a great shoe that won't break the bank.
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Reviewed in the United States on January 14, 2026
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Lea
Phoenix, US
★★★★★ 5
If the shoe fits!
Size: 13 Little Kid, Color: Lavender/Multi, Size: 13 Little Kid, Color: Lavender/Multi
We recently purchased these girls’ sneakers, and they’ve exceeded all expectations! First off, the slip resistance is top-notch—perfect for everything from the playground to PE class. My daughter feels confident running, jumping, and playing without worrying about slipping, even on slick surfaces. In terms of value for money, these shoes are a fantastic investment. They’re durable, high-quality, and priced right for growing kids who need reliable footwear. The materials feel premium, and after weeks of wear, they still look and perform like new. The ease of use is a major bonus. The simple design makes them a breeze for kids to put on and take off by themselves. I’m really impressed with the overall shoe quality. The stitching is solid, the soles are supportive yet flexible, and there’s great attention to detail. Plus, they’re lightweight, which is a must for kids who are always on the go. No dragging feet here! And let’s not forget the style—these sneakers are absolutely adorable! All in all, these sneakers hit every mark. They’re safe, stylish, and built to last—highly recommended!
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Reviewed in the United States on May 9, 2025
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molly
Fort Morgan, US
★★★★★ 5
Cute and comfu
Size: 2 Little Kid, Color: Lavender/Multi
Nice, comfy,easy on and off. Got em twice for granddaughter
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Reviewed in the United States on April 5, 2026

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