1970-1978 outer bearing size is .725
1970-1978 inner bearing size is 1.250
1979-1981 outer bearing size is .825
1979-1981 inner bearing size is 1.250
1970-1978 outer bearing size is .725
1970-1978 inner bearing size is 1.250
1979-1981 outer bearing size is .825
1979-1981 inner bearing size is 1.250