Piston Ring for KE7, KF7, KF9, KG7, KG7H KG9, KH7, Mark 20 & 20H, Mark 40 & 40H, Mark 50, Mark 25, Mark 55 & 55H, Mark35A, Merc 300, Merc 350 (4 cyl.), Mark 75

Mark 30, 30E, 30H, 35A, 50, 50E, 55, 55E, AE, AM, AE, 58E, Merc 300, 350, 400, 450 4 cyl, and 500

Mark 30, 30E, 30H, 35A, 55, 55E, 55H, 55AE, 55AM, 58AE, Mercury 300, 350, 400, 450 4 cyl, and 500.

Top crankshaft seal for Mark 30, 30H, 35A, 40, 40H, 50, 55, 55A, 55H, 58, 58A, 75, 75A 78, 78A, Merc 300, 350, 400, 402, 450, 500, 600, 650, 850, 900, 950, 1000, 1100, 1150, 1350, 1400, 1500

Botton crankshaft seal for Mark 30, 30H, 35A, 40H, 55, 55A, 55H, 58, 75, 75A, 78A, Merc 300, 350, 400, 402, 450, 500, 600, 650, 850, 900, 950, 1000, 1100, 1150, 1350, 1400, 1500

Picture is for display purposes only.

Mark 55H (thru Ser. # 997919)