Installing an Agency Power lightweight crank pulley is the perfect way to free up extra horsepower, improve throttle response, enhance acceleration and add more precise rev-matching to your Evo X. Fully CNC machined 6061 aluminum, the Agency Power crank pulley for the 2008-2013 Evo X is both inexpensive and easy to install, bolting right on with factory hardware and accessory belt. Weighing in at only 1 lb (compared to 4lbs stock) this pulley still maintains the stock diameter, meaning you will never have to worry about underpowering the alternator and electrical systems in your car. All of the performance without any compromise! The Agency Power race crank pulley for the 2008-2013 Evo X is available in black or satin silver finish and comes laser etched with the Agency Power logo.