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- Balance Shaft Parts
Product Description

CBM Billet Retainer Plate for Ecotec 2.0/2.2/2.4 Engines
The Problem: Thin stamped metal construction
The balance shafts within these Ecotec engines are crucial for reducing vibrations, leading to a smoother and more comfortable driving experience. These shafts are kept in place by a retainer plate, typically made from a thin, stamped metal. Over time, this plate can weaken, crack, or even break.
This seemingly small part plays a crucial role in keeping the engine running smoothly, but the original equipment manufacturer (OEM) plate is frustratingly, unavailable through GM.
The Solution: A Billet Balance Shaft Retainer Plate
Fortunately, there's a better alternative: a CBM Motorsports Billet Ecotec Balance Shaft Retainer Plate. This aftermarket upgrade is a significant improvement over the OEM part.
Here's why:
- CNC Machined.
- 6061-T6 aircraft-grade billet.aluminum construction.
- Unavailable through GM.
- Easy Installation.
Quality Construction
This isn't some flimsy, mass-produced part. Each retainer plate is CNC machined from a single block of 6061-T6 aircraft-grade billet aluminum, ensuring exceptional strength, durability, sealing and a precise fit.
Note: This billet retainer plate is specifically designed for use on both the intake and exhaust side of the engine, meaning you'll likely need two of them per engine.
Key Features:
- CNC Machined for a presise fit.
- 6061-T6 aircraft grade billet aluminum construction
- Machined finish.
- Direct factory (OEM) replacement.
- Proudly made in the USA.

Specifications
Retainer Plate Style: | GM 2.0L/2.2L/2.4L Ecotec engines. |
Retainer Plate Material: | Billet 6061-T6 aircraft grade aluminum. |
Retainer Plate Finish: | CNC Machined. |
Mounting Hardware Included: | No. |
Quantity: | Sold individually. |
Country Of Origin: | USA. |
Why Choose This Adapter?
Increased Durability
These billet retainer plates are significantly stronger and more resistant to cracking and breaking than the flimsy stamped metal OEM part.
Precise Fit & Seal
The CNC machining process ensures a precise fit, maintaining the correct alignment of the balance shafts and avoiding future issues.
Robust Construction
CNC machined from 6061-T6 aircraft-grade billet aluminum, this retainer plate ensures strength, durability, and resistance to corrosion and warping. This is a part built to withstand the rigors of high-performance environments.
Easy Installation
These aftermarket balance shaft retainer plates are designed to be direct replacements for the OEM part, making the installation process straightforward for most mechanics.
The Takeaway
Don't let a fragile OEM part compromise your Ecotec engine. The availability of a billet balance shaft retainer plate offers a much-needed and superior alternative to the unavailable OEM part. Investing in this upgrade is a wise decision that can save you time, money, and headaches in the long run. If you're experiencing vibrations or have an Ecotec engine apart for maintenance, be sure to consider replacing the balance shaft retainer plates with these durable billet replacements. Your engine will thank you.

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