FTP Introduces one of the most proven POWERFUL mods you can directly bolt on to your M113K Engine (55K AMG Platforms)! This Pulley Starts as an OEM MERCEDES BENZ Harmonic Balancer. Followed by a CNC Machined larger Diameter Ring based on your MM Specs, and Machine Press that Ring onto the Existing OEM Hub. From there the Hub is precision balanced within OEM tolerances, The Ring is then Welded, and The New Complete Pulley Kt is Born!

Power Gains Expected: 50-100 HP + Depending on MM Size.

ALWAYS TORQUE TO OEM SPECS.