The UPD 180mm overdriven harmonic balancer/crank pulley kit is a replacement balancer assembly for the V8 M113K AMG 5.5 engine, made from a brand new AMG M113k balancer. (E55, CLS55, CL55, G55, S55, SL55 ) fits (2005-2011 G55)

This kit represents a seamless, strong and simple way to add boost, and horsepower to your supercharged Mercedes/AMG .

The performance balancer is the only complete kit on the market. The balancer is specifically desinged for the Supercharged Mercedes AMG V8 and not a universal balancer hub that just adapts to your high performance vehicle`s crankshaft but made from a brand new AMG balancer..

We take a brand new AMG balancer, machine the stock outer metal ring off and press and bolt on a new larger aluminum ring to add more boost, The whole assembly is hen sent out to a jet engine turbine balancer for precision balancing!

• OEM Nitride coated hub,
• Kit comes complete with all parts needed. 180mm Balancer, smaller water pump pulley to clear larger ring, new OEM crank bolt and new performance belt.

The high performance balancer ring.

is precision CNC machined in the USA and installs directly onto the OEM balancer.

The balancer and crank ring assembly weighs only 13lbs, compared to 15lbs lbs for the factory steel unit.

Installation of this kit removes significant rotating mass from the engines rotating assembly.

Our ultra hardened aluminum CNC machined crank pulley rings bolt directly to the new AMG OEM balancer.


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