The Unorthodox Racing Pulley is the most bang for the buck for HP gain. HP gains are 12-14 at the wheels from this upgrade alone. Our most popular crank pulleys, the ones everyone is familiar with. This version of our crank pulleys increases performance because they underdrive all the accessories (15-20% more power), unlike accessory only kits out there that do not include the crank pulley. This means one you air conditioning is on our crank pulleys give you more power back to the wheels by not letting the air conditioning compressor rob as much power. Belts are not included, instructions provide part numbers for required belts.

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