Description
The 90mm idler pulley uses a factory size and brand NSK bearing, when the proper sized bearing is used the need for double beairngs is eliminated. Use this idler to take up belt slack and get better wrap with smaller supercharger pulleys. Can be used with 2.5", 2.59", 2.6", 2.7" or 2.8" super charger pulleys on a GT500. Factory bolt is re-used.
