We were asked by our drag racer and street performance customers to
fabricate an alternator pulley that would enhance the performance of the
URD's performance alternator pulley is 5% larger than stock to slow the
rotational speed of the alternator and its parasitic drag freeing power
to accelerate the vehicle.
This pulley is designed to fit the 2001 to 2004 Tacoma with the 2RZ-FE engine