2003 Polaris 3 PRO X Factory Service Manual, Page 132Get this manual
CLUTCHING Drive Clutch Weight IdentificationActual Size
10-AL Bushed Gram Weight: 53 PN 1321531
10-66 Bushed Gram Weight: 66 PN 1321584
10-64 Bushed Gram Weight: 64 PN 1321585
10-62 Bushed Gram Weight: 62 PN 1321586
10-60 Bushed Gram Weight: 60 PN 1321587
10-58 Bushed Gram Weight: 58 PN 1321588