Jim's Machineworx
1.93 OD. X 1.26 ID. 46MM 6 RIB ALTERNATOR PULLEY CAP FOR MECHMAN ,machined from 6061 aircraft grade aluminum in your choice of 8 colors. These fit the exact 46mm pulley in the photo. DOES NOT INCLUDE ALTERNATOR PULLEY.
MADE IN THE U.S.A.