The  ALTA Performance™ lightened crank  pulleys for the MINI Cooper and is engineered to reduce  rotating mass, increasing horsepower and torque. The  ALTA Performance™ pulley achieves power and performance by reducing the rotating mass of the crank assembly. Made from 6061T6 aluminum and weighing in at .9 lbs, the ALTA  pulley™ is more then 6.2 lbs lighter then the stock crank  pulley. The ALTA pulley is not under driven and will not affect the life of your engine. The pulley is a redesigned, lighter rendering of the stock crank pulley. The reduction in weight is effectively the same power increase as removing 100 pounds  of weight from your vehicle. The ALTA Performance™ pulley will not wear out engine bearings or the oil pump, and will not add any additional vibration or noise. Aftermarket, under driven, pulleys are prone to charging and drivability problems from being excessively under driven. The ALTA  Performance™ lightened crank pulley will have no effect  on your cars charging system. Choose one of the ALTA Performance over driven crank pulleys and increase your  boost levels at the same time. Our 2%, 3% and 4% pulleys will artificially increase your supercharger size by 2%, 3% and 4% too! For example if you have a 15% supercharger pulley on your MINI now, you can add The ALTA Performance 2% over driven crank pulley and make your 15% supercharger pulley perform like a 17% supercharger pulley.

 

Applications: Mini Cooper (R50) 2002 - 2006 Mini Cooper Cabrio (R52) 2005 - 2008 Mini Cooper S (R53) 2002 - 2005 Mini Cooper S Cabrio (R52) 2005 - 2008

 

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This product manufactured in: USA