Oversized pulley's minimize power needed to drive accessories for more horsepower at the wheels Made of lightweight 6061 T6 billet aluminum for reduced rotating weight and increased efficiency Choose from blue, red or silver-colored finish, each with laser-etched graphics Set includes alternator and power steering pulleys (power steering pulleys not included in Eagle/Mitsubishi set). Hardware, belts and instructions included. Anodized pulleys shipped separately from factory.