63 AMG 5-Piece Idler Pulley Set – Billet Upgrade for M157 / M278 Engines

Upgrade Your AMG with Precision-Engineered Pulleys

The 63 AMG 5-Piece Idler Pulley Set for M157 and M278 engines replaces factory plastic or worn-out idlers with durable, high-performance CNC billet aluminum pulleys. Improve reliability, reduce belt wear, and enjoy smoother operation with precision-engineered components designed to last.

⚙️ Key Features:

• Complete Replacement: Includes all 5 pulleys to replace factory idlers on your AMG.
• Billet Aluminum Construction: CNC-machined for exceptional strength and longevity.
• Anodized Finish: Hard-anodized coating resists corrosion and wear for lasting durability.
• High-Speed Bearings: Fitted with ZZ-rated Nachi bearings for quiet, smooth operation.
• Made in the USA: Manufactured by ASP Performance to the highest standards.
• Easy Installation: Direct bolt-on fitment with no modifications required.

🚗 Vehicle Fitment:

• Mercedes-Benz CLS63 AMG (2012–2014)
• Mercedes-Benz E63 AMG (2012–2015)
• Mercedes-Benz G63 AMG (2013–2014)
• Mercedes-Benz GL63 AMG (2014)
• Mercedes-Benz ML63 AMG (2012–2014)
• Mercedes-Benz S63 AMG (2011–2015)
• Mercedes-Benz SL63 AMG (2013–2014)

💡 Why Upgrade?

Factory idler pulleys are known to degrade over time, leading to belt slip, noise, or even failure. This 5-piece billet pulley set ensures smoother belt operation, improved reliability, and a performance-ready finish that stands up to the demands of your AMG engine.