CHECKER MARATHON 3.8 (1979-01-01 - 1982-12-01)

CHECKER MARATHON 4.1 (1976-09-01 - 1979-12-01)

CHECKER MARATHON 4.4 (1979-01-01 - 1982-12-01)

CHECKER MARATHON 5.0 (1977-01-01 - 1979-12-01)

CHECKER MARATHON 5.7 (1973-01-01 - 1978-12-01)

CHECKER MARATHON 5.7 D (1980-01-01 - 1982-12-01)

CHECKER MARATHON 4.1 (1974-09-01 - 1979-12-01)

CHECKER MARATHON 5.7 (1974-09-01 - 1979-12-01)

CHECKER MARATHON 5.0 (1976-09-01 - 1982-12-01)

CHECKER MARATHON 3.8 (1979-09-01 - 1982-12-01)

CHECKER MARATHON 4.4 (1979-09-01 - 1982-12-01)

CHECKER MARATHON 5.7 D (1979-09-01 - 1982-12-01)

CHECKER MARATHON 5.7 (1978-09-01 - 1979-12-01)