BenzUnited Parts
2 Piece Billet Aluminum Pulley Set for Mercedes AMG M157 / M278 Engines
2 Piece Billet Aluminum Pulley Set for Mercedes AMG M157 / M278 Engines
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2 Piece Billet Aluminum Pulley Set for Mercedes M157 / M278 AMG
Precision. Power. Performance. Elevate your AMG to new levels with the 2 Piece Billet Aluminum Pulley Set, engineered exclusively for M157 and M278 engines. Designed with uncompromising attention to detail, this performance upgrade delivers smoother operation, improved belt traction, and measurable efficiency gains for both street and track builds.
🔧 Key Performance Advantages
- Pure Billet Strength: CNC-machined from high-grade billet aluminum for unmatched rigidity and lightweight precision.
- Hard Anodized Finish: Anti-corrosion and wear-resistant for long-term durability under high heat and pressure.
- High-Speed Nachi Bearings: ZZ-rated for silent, ultra-smooth performance and reduced drivetrain friction.
- Dynamic Balance: Maintains consistent RPM under load, improving response and extending belt life.
- Direct Bolt-On Fit: No modification needed — engineered for an OEM-perfect alignment and seamless installation.
- Made in the USA: Precision-engineered and quality-tested for Mercedes-Benz AMG performance applications.
🚘 Vehicle Compatibility
- Mercedes-Benz C63 AMG (M157)
- Mercedes-Benz E63 AMG / E63S AMG (M157 / M278)
- Mercedes-Benz CL63 AMG
- Mercedes-Benz GL63 AMG
- Mercedes-Benz SL63 AMG
- Mercedes-Benz 550 Series (M278)
🔥 Performance & Reliability
Unlike conventional pulleys, this 2-piece system minimizes rotating mass while enhancing stability, helping your engine rev faster and maintain consistent boost under heavy load. The high-speed Nachi bearings ensure whisper-quiet operation while reducing belt drag — resulting in sharper throttle response and longer component life.
Every pulley is precision-balanced to factory tolerance for vibration-free operation, even at redline. The hard anodized coating withstands the thermal stress of BiTurbo AMG engines, preserving both performance and finish for years to come.
🛠️ Installation Made Simple
Designed for effortless installation, this pulley set aligns directly with OEM brackets and belts. Whether you’re upgrading in your own garage or at a tuning shop, the 2 Piece Billet Pulley Set installs in under an hour and instantly elevates your engine response.
🏁 Why Choose BenzUnited Performance?
- Built specifically for AMG high-performance platforms
- Developed and tested by tuning professionals
- Crafted for precision, longevity, and visual appeal
- Each pulley is inspected, balanced, and finished in the USA
📊 Technical Specifications
- Material: CNC-Machined Billet Aluminum
- Finish: Hard Anodized (Matte Black or Silver)
- Bearings: ZZ-Rated Nachi High-Speed Bearings
- Compatibility: M157 / M278 Engines
- Origin: Made in USA
💥 The AMG Advantage
Every AMG deserves hardware that performs as fiercely as its engine. The BenzUnited 2 Piece Pulley Set delivers precision fitment, consistent performance, and that extra edge every enthusiast demands. Whether you’re chasing lap times or building a refined street car, this upgrade delivers results you can feel every time you press the throttle.
