SKU: 50294098102

Holley LS3/L92 Hi-Ram Intake Manifold (HO300-112)

Sale price$908.55 Regular price$1009.50
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Description

Holley LS3/L92 Hi-Ram Intake Manifold (HO300-112)HO300 112 2 x4 HI RAM MANIFOLD LS3 L92 Suit Dual 4500 Sideways Carburettor Mounting Part Number: HO300 112 The Holley GM LS3 L92 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 LS3 L92 style cylinder heads has outstanding potential for N A and forced induction

HO300-112 - 2 x4 HI-RAM MANIFOLD LS3-L92

Suit Dual 4500 Sideways Carburettor Mounting

Part Number: HO300-112

The Holley GM LS3/L92 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 LS3/L92 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 carburetted 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
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:
Plenum Top Gasket Type - 3/32" Round O-ring Cord
Mounting Flange Gasket Type - Standard LS3 Molded O-Ring
Port Size – 2.49" Height x 1.21" Wide
Runner Length - 6.50", As-Cast Runner Cross-Sectional Area - Tapered 4.25 in² to 2.77 in²
Base Plenum Top Mounting Flange Height - 8.42" to the lifter valley cover flange on engine block.
Height (Carbureted or EFI, 2x4V Top Mount & Blank) – 11.08” to the lifter valley cover flange on engine block.

Shipping Notes
  • Free Standard Shipping on $100+ Orders 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.
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SKU: 50294098102

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4.6 ★★★★★
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KEllwood
Battle Creek, US
★★★★★ 5
Great shirt
Size: Large, Color: Grey
Great shirt with a good price ..nice fit & nice material . Looks great when ironed !!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2026
M
Verified Purchase
michael h.
Boise, US
★★★★★ 5
Wonderful product
Size: Large, Color: Sky Blue
Great Shirts this is the second set I have bought and they wear nicely and fit well
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Reviewed in the United States on April 15, 2026
T
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Toby W.
Alexandria, US
★★★★★ 4
Order 1 size larger.
Size: X-Large, Color: Blue White Plaid
Nice shirt. The size is not accurate by any stretch of the imagination. I wear size xl in shirts except for this one. An xl fits like a large. Other than that I like the shirt. I would've given it 5 stars if not for the sizing. I'll give away this one and order an xxl. Just order a size above what you wear and you'll be happy.
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Reviewed in the United States on February 15, 2026
N
Verified Purchase
Never received the order
San Leandro, US
★★★★★ 5
Nice fit
Size: X-Large, Color: Grey
Great value for the money. Would buy again.
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Reviewed in the United States on April 30, 2026
J
Verified Purchase
John Robinson
San Leandro, US
★★★★★ 5
Satisfied with color and fit
Size: Small, Color: Light Purple
For the money, this is a good shirt. True, the material is a bit thin and there is a feeling of 'fragility' (loose threads here and there) but the color is nice, the texture is appropriate. The sizing is what I call "New American". I was a medium my whole life but supersizing has made me into a small. I haven't changed, Americans have grown bigger. I am six feet tall and a bit (180+ cm) and weigh 155 pounds (70kg and a bit). The small fits me just fine everywhere but the shoulders are just barely wide enough. If you have slightly wider shoulders but are similar to me otherwise, this may be too tight for you in that one place.
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Reviewed in the United States on May 13, 2025

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