Description This is a new 3 Cyl. 50-60 hp Center Main (Needles only) (For 010-148) Bearing Needles: Mercury 50 - 60 Hp Mercury 3 Cyl 2.955 Bore Looper 50 1991-1997 Mercury 3 Cyl 2.955 Bore Looper 60 1991-1997 Mercury 3 Cyl 2.992 Bore 55 1992-1997 Note: Pack Of 28