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LA45 GLA45 A45 , 2.0L turbo and 1.8L turbo crank pulley sales sheet The Ultimate Performance and Design (UPD) CLA45 2.0L, GLA45, A45 Underdrive, lightweight and strengthened crank pulley is designed to increase power and torque by slowing down the rotation of all the engines accessories. By providing a much lighter crank pulley made of billet aluminum verses low cost cast iron used on the stock crank pulley: Your CLA45 throttle response, engine performance and MPG will be improved and turbo will rev much quicker. Using latest design and finite analyses software, plus real world testing, UPD is able to design a billet underdrive pulley that greatly outperforms the OEM cast iron crank pulley and much higher quality, precision balanced CNC performance crank pulley. OEM crank pulley weight is 6.3 lbs VS the UPD billet underdriven pulley of 1.3lbs!

Features:

Developed by UPD using state of the art SolidWorks CAD, FFA software and live road testing.
CNC Machined from 6061 billet aluminum (OEM pulley is crude cast steel)
Anodized black to preserve , protect the aluminum and retain an OEM appearance
Reduced weight: pulley is 56% lighter than the OEM GT3 steel pulley & 27% lighter than the OEM 2010 pulley
Precision Balanced within less than .1 gram Unique stainless steel ring pressed on the hub to provide a precision hard surfacefor the crank seal seal on.

Price is $280