RCD one pc. idler assm. This pulley is made from billet mag. and has been Dow-7 coated for wear and corrosion resistance. If you are making a lightweight race car this part is a must. It measure 3.00" or 3.40" wide and can be used with all 75mm or 84mm wide blower belts.
This pulley uses high speed precision bearings and is designed to be used with a .750" idler stud or bolt.
Pulley measures 4.50" over the top of the flange and 3.50" where the blower belt rides.