Add some style and improve the performance of your Scion tC's motor with Agency Powers lightweight crank pulley. The CNC machined aluminum pulley for the Scion tC is made from high grade 6061 material and finished in a gloss silver or black colors. Each pulley has the Agency Power text laser engraved. The pulley has been broached for a perfect fit and the redesigned lightweight center gives you the best possible advantage over the competition. The Agency Power pulley is the same diameter as the stock pulley. Keeping the diameter the same allows no issues to occur with the alternator as under driven pulleys do sometimes. This pulley weighs 3.5lbs less than the OEM component! The factory harmonic balancer reduces engine noise and vibration in the cabin and deleting this will NOT destroy your motor. The pulley is completely safe as a bolt on giving you between 5-10 horsepower. The entire power band gains performance and drivability remains the same. The Agency Power Scion TC pulley will give you the extra power you desire!