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          From single components to full kits, find the right part for complete timing repair.

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          Belts, tensioners, pulleys, and kits designed for smooth, reliable performance.

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          Performance timing parts and kits for racing and high-output engines.

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Tech Byte: STOP gambling with your accessory drive!

Tech Videos | March 25, 2026

In this Cloyes Tech Byte, Cody Smith breaks down why the “partial fix” is a fast track to a broken engine. Accessory drive components (tensioner, idler, and belt)…

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Precision in Every Way: Our New Product Wave is Here! News | March 23, 2026
Tech Byte: You Must Replace These Together… Tech Videos | March 19, 2026
Tech Byte: STOP replacing just the pulley! Tech Videos | March 12, 2026
Tech Byte: Camshaft Phaser Installation- To Unlock or Not to Unlock? Tech Videos | February 26, 2026

Keep Engines Turning: Our Latest Timing Chain and Tensioner Releases- BMW, Dodge, Hyundai and Kia

News | February 23, 2026

At Cloyes, we’ve been dedicated to engineering excellence since 1921. This month, we are excited to expand our catalog with high-quality timing solutions for a wide range of…

more

Tech Byte: Don’t Let a Mismatched Reluctor Kill Your Engine Start!

Tech Videos | February 19, 2026

One small difference in a sensor target wheel can lead to a “no-start” or even catastrophic engine failure. In this Cloyes Tech Byte, Cody Smith explains why comparing…

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Tech Byte: Not All Tensioners Are Created Equal 🛠️

Tech Videos | February 12, 2026

Replacement parts don’t always look identical to OE! ⚙️ Cody Smith breaks down why the flat spring design is often used for its excellent tensioning control and better…

more

Tech Byte: Pro Tip for GM 2.4L Ecotec Engines

Tech Videos | February 5, 2026

Need a safer way to swap GM 2.4L Ecotec balance shaft sprockets? ⚙️ Skip the punch or drill bit—use the old chain and locking pliers to hold the…

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Tech Byte: Hydraulic Belt Tensioners Explained- Why Going Slow Prevents Costly Accessory Drive Damage

Tech Videos | February 5, 2026

Handle a hydraulic tensioner wrong, and you’re not just risking the part, you’re risking the whole system. Learn how to properly handle a Cloyes hydraulic belt tensioner and…

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Tech Byte: GM V6 Timing Tip- How to Install Idler Sprockets the Right Way

Tech Videos | February 5, 2026

One wrong turn and you’ll crack your timing cover, and your wallet. Avoid a costly mistake during your GM 3.6L timing job. In this Cloyes Tech Byte, Cody…

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Tech Byte: STOP gambling with your accessory drive!

Tech Videos | March 25, 2026

In this Cloyes Tech Byte, Cody Smith breaks down why the “partial fix” is a fast track to a broken engine. Accessory drive components (tensioner, idler, and belt)…

more

Precision in Every Way: Our New Product Wave is Here!

News | March 23, 2026

We are excited to announce a significant expansion to our catalog, specifically designed to provide professional-grade timing solutions for a wide range of import vehicles. This latest New…

more

Tech Byte: You Must Replace These Together…

Tech Videos | March 19, 2026

In this Cloyes Tech Byte, Cody Smith breaks down why all components in the accessory drive system must be replaced together. Because the tensioner, idler, and belt wear…

more

Tech Byte: STOP replacing just the pulley!

Tech Videos | March 12, 2026

In this Cloyes Tech Byte, Cody Smith breaks down why the “partial fix” is actually a fast track to a broken engine. Accessory drive components (tensioner, idler, and…

more

Tech Byte: Camshaft Phaser Installation- To Unlock or Not to Unlock?

Tech Videos | February 26, 2026

Should the internal locking pin be unlocked during a camshaft phaser installation? In this Cloyes Tech Byte, Cody Smith clears up the misconceptions surrounding this common question. While…

more

Keep Engines Turning: Our Latest Timing Chain and Tensioner Releases- BMW, Dodge, Hyundai and Kia

News | February 23, 2026

At Cloyes, we’ve been dedicated to engineering excellence since 1921. This month, we are excited to expand our catalog with high-quality timing solutions for a wide range of…

more

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About Cloyes

Cloyes, based in Fort Smith, Ark., is the North American leader and global designer, developer, manufacturer, and distributor of timing drive systems and components for original equipment manufacturers and the automotive aftermarket. Its products are mission critical components for engine performance and function and are used in high-performance and replacement applications. Cloyes serves a broad customer base, including wholesale distributors, national and local retailers, re-packagers, and production engine rebuilders, and sells its products under the Cloyes® brand worldwide and the Dynagear® and CY-LENT® brands throughout North America.

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