Agency Power Lightweight Crank Pulley Mercedes- Benz C63 AMG | E63 AMG M156 6.2L 08-14

Agency Power


The Mercedes Benz C63 AMG is a beast already with its V8 stuffed into the small C-Series chassis. Making 450 horsepower stock, this car is no slouch. But with the help of Agency Power, we can improve throttle response, horsepower, and torque with our under drive crank pulley. How is this accomplished? This is done easily using precision CNC machining and detailed CAD design to create a pulley that is lighter weight and underdriven. Rotational weight typically has a factor of 3. Even the smallest static weight can have improvements. When the pulley is lighter, the engine crank does not have to turn as hard. When we also make the pulley a smaller diameter the engine pumps out even more power because of the pulley size. The new Agency Power under drive crank pulley is made of high strength 4140 Steel with an Anodized Aluminum outer ring for a sleek OEM look. This pulley uses a rubber core to ensure proper engine harmonics and dampen vibration. The diameter is 15% smaller than the OEM pulley with weight saving of 1.3 lbs over stock. The acceleration gains are apparent immediately. The kit includes new belt and new crankshaft bolt. Pair this pulley with our tuning, header, and exhaust system for optimal results! 


  • Improved Throttle Response
  • Improved Horsepower and Torque
  • Approximate Gains: 10-20hp & 10-15ft/lbs
  • CNC Machining
  • Lighter Weight
  • High Strength 4140 Steel
  • Anodized Aluminum Outer Ring
  • Rubber Core
  • 15% Smaller
  • Weight Saving of 1.3lbs


  • New Belt
  • New Crankshaft Bolt
  • Under Drive Crank Pulley


  • Mercedes- Benz C63 AMG 6.2L 2008-2014
  • Mercedes-Benz E63 AMG 6.2L 2009-2011

                Type: Crank Pulley

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