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Description
105mm Throttle Body Adapter For LS3 Lo-Ram 300-680 - Front-feed mount cast aluminum with black finishHolley 105mm Throttle Body Adapter For LS3 Lo Ram 300 680 Front feed mount cast aluminum with satin finish Overview The 300 676 is the 105mm throttle body adapter in the 300 680 complete kit. Offering this separately allows you to select your components individually as you build your system. 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
Holley 105mm Throttle Body Adapter For LS3 Lo-Ram 300-680Front-feed mount cast aluminum with satin finish
Overview
The 300-676 is the 105mm throttle body adapter in the 300-680 complete kit. Offering this separately allows you to select your components individually as you build your system. 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 lower overall height to fit under a stock or mildly modified hood in the front-feed configuration. The 300-680 Lo-Ram front-feed plenum entry was configured to provide a very low profile modular intake manifold suitable for turbocharged or centrifugally supercharged engines. 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:
- 105mm throttle body adapter for front-feed Low-Ram 300-680 allows you to select your components individually as you build your intake system
- Modular design allowing the use of the included front-feed plenum entry
- Designed for forced induction (supercharged or turbocharged) engine applications with peak power at 7000-8000 rpm depending on the application
- Intake design facilitates custom inlet duct and throttle body placement
- Low height to fit under a stock or mildly modified hood in the front-feed configuration
- Front entry plenum flange allows design fabrication of special throttle body adapters or inlet ducts for custom installations
Details:
- Clearance Category: Engine
- Color: Black
- Engine: GM LS3/L92
- Finish: Black
- Fuel System Type: EFI
- Manifold Type: Lo-Ram
- Warranty: Limited 90 Day
Links
Instruction Sheet
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4.8 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
Perfect fit for my 2018 Civic—easy, affordable, and worth it
Size: 9.5" x 10.9" x 2.1"
I’ve bought this cabin air filter multiple times for my 2018 Honda Civic, and it’s consistently great quality. It fits perfectly and is super easy to install—takes just a few minutes to swap out, and I always do it myself. Way cheaper than going to a shop or dealership. The airflow is smooth, there’s no smell at all, and it keeps the inside of my car feeling clean and fresh. No weird odors, no dust blowing in—just a solid, dependable filter that does its job well. This is the only one I’ll keep buying.
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Reviewed in the United States on May 11, 2025
★★★★★ 5
Do it mayne
Size: 9.5" x 10.9" x 2.1"
Good quality and fit but find it funny that the instructions with the air flow are on the side. I assume that would be facing out and was annoyed when I tried to close and it didn’t fit. Probably should have read the directions. Still would recommend
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Reviewed in the United States on March 8, 2026
★★★★★ 5
Perfect fit, durable and affordable
Size: 9.5" x 10.9" x 2.1"
Ordered this for our 2023 Honda civic. Great fit, durable and very affordable. Was so easy to pull old one out and replace new one. Will be ordering again.
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Reviewed in the United States on November 3, 2025
★★★★★ 5
Save money by installing yourself
Size: 9.5" x 10.9" x 2.1"
Good price and easy to install in a 2019 Honda CRV. Instructions can be found on YouTube. Much less expensive than having a service center install them.
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Reviewed in the United States on February 14, 2026
★★★★★ 4
Always fits and is easy to install
Size: 9.5" x 10.9" x 2.1"
We've bought these for years and they always fit and are easy to install. Easy to see when they are dirty and need to throw away. Embarrassed that we let the car dealership do it for so long. We set on six-month subscribe and save so that we know when to replace it - change it whenever it shows up!
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Reviewed in the United States on September 13, 2023