OD:215 ID:137 P.C.D:250 OD INCH:8 1/2
OD:200 ID:140 Teeth QTY:21 Teeth Major Dia:24.5 Teeth Small Dia:21.3 OD INCH:7 7/8
OD:212 ID:140 Teeth QTY:21 Teeth Major Dia:23.8 Teeth Small Dia:21.3 Spring:4 OD INCH:8 1/4