POLASTORM Polaflex hub kit F31 124-88-F31

Johnson/Evinrude – 4 1/4 Gearcase – 13 tooth spline

40HP E-TEC 2004-

45-55HP (2-Cyl) 1971-99

50-55HP (3-Cyl) 1968-69, 1994-99

55HP E-TEC 2009-

60HP (3-Cyl) 1970-71, 1986-2001

60HP E-TEC 2004-

65HP (3-Cyl) 1972-73, 1984-2001

70HP (3-Cyl) 1974-2001

75HP (3-Cyl) 1975-84

75HP E-TEC 2004-

85HP 1969-80, 1991-95

88HP 1981-96

90HP 1981-

100HP 1979-80, 1988-93

110HP 1986-89

112HP 1994-96

115HP 1973-

120HP 1986-94

125HP 1971-72

135HP 1973-76

140HP 1977-84, 1986-94

OMC/Cobra – 4 1/4 Gearcase – 13 tooth spline

Model 400 Cobra 1978-91