SKU: 62570383170

Holley Modular Lo-Ram EFI Manifold LS1/2/6 - 300-620

Sale price$459.88 Regular price$510.98
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Description

Holley Modular Lo-Ram EFI Manifold LS1/2/6 - 300-620Overview: The Holley LS1 2 6 Lo Ram intake manifold kits are designed for GM LS Gen III and IV engines equipped with GM LS1 2 6 (cathedral port) cylinder heads. These intake manifolds will work with OE or aftermarket cylinder heads. The Lo Ram intake manifolds are designed for forced induction (supercharged or turbocharged) engine applications and the 105 mm throttle body part number 112 581 or similar models. The base intake manifold is designed with

Overview:

The Holley LS1/2/6 Lo-Ram intake manifold kits are designed for GM LS Gen III and IV engines equipped with GM LS1/2/6 (cathedral port) cylinder heads. These intake manifolds will work with OE or aftermarket cylinder heads. The Lo-Ram intake manifolds are designed for forced induction (supercharged or turbocharged) engine applications and the 105 mm throttle body part number 112-581 or similar models. The base intake manifold is designed with a low height to aid the packaging of a plenum mounted air-to-water intercooler in a top-feed configuration. The 300-620 top-feed plenum entry configuration is designed to allow the included Hi-Ram 105 mm plenum top to be fitted to a low-profile base intake manifold. The short runner, low-profile base intake manifold intended for forced induction applications was conceived to package with an air to water plenum mounted intercooler with a shorter overall height than possible with other existing intake manifolds. The fuel rail kits come with two sets of brackets. A set for long (usually standard length) fuel injectors and a set for short (such as Pico, or LS7) fuel injectors.

Features:

  • Designed for GM LS Gen III and IV engines equipped with GM LS1/2/6 (cathedral port) cylinder heads
  • Designed for forced induction (supercharged or turbocharged) engine applications with peak power at 7000-8000 rpm depending on the application. With forced-induction and the short runner length the engine rpm at which peak power occurs is more likely to
  • Modular design allowing the use of the included top-feed plenum entry
  • Low height to aid the packaging of a plenum mounted air-to-water intercooler in a top-feed configuration or to fit under a stock or mildly modified hood in the front-feed configuration
  • High volume fuel rails and mounting hardware included with ¾”-16 o-ring ports (8 AN)

Application:

Year Make Model Submodel Engine Size
Universal

Specs:

Brand Holley EFI
Color Silver
Construction Cast
Emission Code 3
Engine GM Small Block Gen III/IV (LS Based)
Finish Satin
Flange Style EFI
Front Height 9.07" without Intercooler
Fuel System Type EFI
Manifold Type Lo-Ram
Product Type 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:
  1. 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
SKU: 62570383170

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Diana
Pawtucket, US
★★★★★ 5
Good purchase
Color: Black
Husband loved it works great
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Reviewed in the United States on March 1, 2026
R
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Renee L.
Los Angeles, US
★★★★★ 5
Great for men’s table side
Color: Black
I purchased this for my husband for a table side catch all it works really great and if he has anything metal as in keys, it will keep them off of the wooden nightstand. Great size all you need.
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Reviewed in the United States on November 13, 2024
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Syndicate
Los Angeles, US
★★★★★ 5
Great Value for the Money
Color: Black
I absolutely love this valet tray. I looked for one for a number of weeks on Amazon before finally purchasing one. I couldn't be happier. The quality is top notch for the price, it looks really nice on my nightstand and is exceptionally functional. I absolutely love this thing!
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Reviewed in the United States on March 28, 2024
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Amazon Customer
Natrona Heights, US
★★★★★ 5
Nice Tray to Keep Organized
Color: Black
I like this small organizer to keep my personal go-to items on my dresser. I like that there is a place to keep my cell phone and notches for the cord. I also like the curved compartment for my sunglasses.
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Reviewed in the United States on October 14, 2024
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Michelle Renee Shaffar
Lowell, US
★★★★★ 5
Great for use atop the bedside table!
Very nice! I bought this for my father for his birthday, and he really liked the gift! It's a nice little place for him to keep all of his essentials together on the bedside table. No more losing his watch, keys, wallet, etc. or knocking them off the table!
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Reviewed in the United States on April 12, 2026

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