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

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Tech Byte: What Else to Service When Changing Your Timing Chain

Tech Videos | September 29, 2026

Servicing your timing chain isn’t just about the chain itself. Timing system replacement requires the removal of the timing cover, which means the accessory belt drive system and…

Learn more

Tech Byte: Why Do Timing Chains Need Replacing Tech Videos | September 29, 2026
Expanding Your Capabilities: Over 80 New Parts Released News | September 28, 2026
Subaru EZ36D 3.6L Timing Chain Installation | Complete Repair Guide Tech Videos | September 22, 2026
GM 3.0L/3.6L HFV6 Timing Chain Kit | Cloyes 9-0753S Unboxing Tech Videos | September 9, 2026

Cloyes & Rotomaster Strengthen Executive Leadership Team with Appointment of Robert Frazier and Doug Havekost

News | August 25, 2026

Fort Smith, AR – August 25, 2026 – MOP-Cloyes, which includes Cloyes Gear & Products and Rotomaster, today announced the appointments of Robert Frazier as Chief Operating Officer…

more

Tech Byte: Why You Need Undersized Timing Chain Sets

Tech Videos | August 21, 2026

Ever wonder why undersized timing chain sets exist? When an engine is line honed before rebuilding, it moves the camshaft and crankshaft closer together—causing a loose chain fitment….

more

Tech Byte: Why your timing chain doesn’t have a maintenance interval

Tech Videos | August 6, 2026

Ever wonder why manufacturers give you a clear replacement interval for a timing belt, but leave you guessing on a timing chain? Because it’s classified as an internal…

more

Tech Byte: Variable Valve Timing (VVT) Explained

Tech Videos | July 30, 2026

Ever wondered how modern engines balance high power output with great fuel economy? It all comes down to Variable Valve Timing (VVT). In this quick Tech Byte, we…

more

Revitalize Your Engine: New Cloyes Arrivals for June 2026

News | July 27, 2026

At Cloyes, we are committed to providing the precision components you need to keep engines running at their absolute best. We are excited to announce our latest lineup…

more

Tech Byte: Why You Should Replace All Accessory Drive Components Together

Tech Videos | June 25, 2026

One worn part is often a sign that the rest aren’t far behind. In this Cloyes Tech Byte, we discuss the importance of treating your accessory drive as…

more

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Tech Byte: What Else to Service When Changing Your Timing Chain

Tech Videos | September 29, 2026

Servicing your timing chain isn’t just about the chain itself. Timing system replacement requires the removal of the timing cover, which means the accessory belt drive system and…

more

Tech Byte: Why Do Timing Chains Need Replacing

Tech Videos | September 29, 2026

Ever wonder what causes a timing chain system to fail? Over time, chains wear resulting in elongation, throwing off the vital timing between your engine’s camshaft and crankshaft….

more

Expanding Your Capabilities: Over 80 New Parts Released

News | September 28, 2026

We are excited to announce our latest product rollout launching at the end of this month! To help professional technicians and DIYers keep engines running smoothly, we are…

more

Subaru EZ36D 3.6L Timing Chain Installation | Complete Repair Guide

Tech Videos | September 22, 2026

Replacing the timing chain system on a Subaru EZ36D 3.6L 6-cylinder engine requires precise timing alignment and proper installation of the timing system components. Accurate timing is critical…

more

GM 3.0L/3.6L HFV6 Timing Chain Kit | Cloyes 9-0753S Unboxing

Tech Videos | September 9, 2026

Take a closer look at the Cloyes 9-0753S Timing Chain Kit for GM 3.0L and 3.6L HFV6 engines. In this unboxing, Cloyes highlights the components included in the…

more

Cloyes & Rotomaster Strengthen Executive Leadership Team with Appointment of Robert Frazier and Doug Havekost

News | August 25, 2026

Fort Smith, AR – August 25, 2026 – MOP-Cloyes, which includes Cloyes Gear & Products and Rotomaster, today announced the appointments of Robert Frazier as Chief Operating Officer…

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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