Jim's Machineworx
2.167 OD. X 1.452 ID. 49MM 6 RIB ALTERNATOR PULLEY CAP (BRAND X/SINGER/ETC),machined from 6061 aircraft grade aluminum in your choice of 8 colors. These fit the exact 49mm pulley in the photo. DOES NOT INCLUDE ALTERNATOR PULLEY.
MADE IN THE U.S.A.