Fits 1984 - 1986 Merc 75, 1969 - 1983 Merc 800/80 (4 cyl), 1973 - 1977 Merc 850 (4 cyl)
Fits 1984 - 1986 Merc 75; 1978 - 1983 Merc 800,80; 1976 - 1977 Merc 850
Aftermarket Standard Piston for 1977-79 Merc 700, 850, 900, and 1150