The overdriven harmonic balancer/crank pulley kit is a replacement balancer assembly for the V8 M113K AMG 5.5 engine.Comes with 10.9 hardness crank bolt and washer. 3 pins lock into the front of the crank to ensure that the balancer will never twist the subpar factory key way off. Comes standard with a pinning kit that is very easy and straight forward for any shop or person to install. We offer Crank pulley kits to complete your Pulley setup.
