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Description
Holley 300-122 LS HI-Ram EFI ManifoldLS1 2 6 HI RAM IM, EFI, 92MM LS TB Overview The Holley GM LS1 LS2 LS6 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 LS1 LS2 LS6 style cylinder heads has outstanding potential for N A and forced induction applications at a budget minded cost. Aggressive, bold, race
LS1/2/6 HI-RAM IM, EFI, 92MM LS TB
Overview
The Holley GM LS1/LS2/LS6 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 LS1/LS2/LS6 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:
- Base Plenum Top Mounting Flange Height – 8.42” to the lifter valley cover flange on engine block.
- Total Height with 92/102mm EFI Plenum Top – 12.32” to the lifter valley cover flange on engine block.
- 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
- Throttle Body Flange Location, with 92mm EFI Plenum Top : Height – 8.42” (from engine block lifter valley cover flange), Longitudinal Location – 3.84” (forward from engine block front flange), Angle – 25 deg. (down from vertical)
- Runner Length – 6.58”, As-Cast Runner Cross-Sectional Area – Tapered 4.25 in² to 2.53 in²
Application
- 1953-2019 Chevrolet Corvette
- 1964-2019 Pontiac GTO
- 1966-2019 Chevrolet Camarro
Specs
| Brand | Holley EFI |
|---|---|
| Color | Aluminum |
| Construction | Cast |
| Emission Code | 3 |
| Engine | GM LS1/LS2/LS6 |
| Finish | Satin |
| Flange Style | EFI |
| Front Height | 12.32 inch |
| Fuel System Type | EFI |
| Manifold Type | Hi-Ram |
| Product Type | Manifold |
| Rear Height | 11.00 inch |
| RPM Power Band | 1500-7000 |
| Warranty | Limited 90 Day |
| Part Number | 300-122 |
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 29 reviews
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Product Reviews
★★★★★ 5
Elegant design, classy look, and perfect for special occasions 💕
Color: Black
This bag looks very elegant and expensive 💕 Perfect for dinners, parties, or special occasions. The quality surprised me and I got so many compliments carrying it!
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Reviewed in the United States on May 20, 2026
★★★★★ 5
MUST BUY !!!
I loveeeeeeeeee this bag ! Such good quality for the price point. Very sleek and stylish. O love the size, I was able to for my phone, lipgloss , and my camera light attachment.
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Reviewed in the United States on October 10, 2025
★★★★★ 5
Quiet Luxury Look Without the Designer Price
I bought this bag because I genuinely loved the color, woven design, and overall look of it, not because I needed validation from carrying a designer label. Honestly though, it can easily pass the Bottega Veneta vibe test at first glance. The design looks very elegant and expensive without trying too hard.
What surprised me most was how lightweight it is while still fitting all my essentials. I was able to comfortably fit my phone, car keys with remote, cards, and small makeup touch up items inside without making the bag bulky. The gold tone is beautiful in person and pairs so well with both dressy and minimal outfits. It’s one of those bags that instantly elevates the entire look.
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Really nice and well made
Almost a match for the real bag. Nicely made and great value. Shoulder strap is also very well done
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Reviewed in the United States on January 13, 2026
★★★★★ 5
The video and picture doesn’t give it justice that it deserves
Color: Matted Brown, Color: Matted Brown
This handbag is so well-made so gorgeous. I want one in every color! I have the white and now the brown
Next color would be the green. This handbag looks very expensive on a budget.
Five star 100%
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Reviewed in the United States on April 8, 2026