SOLAS Prop, 1553-140-23  Titan 4 ALSO FITS MERCRUISER/ MERCURY &HONDA 115 HP - 250 HP - Traditional Rubber Hub- Three blade aluminum propeller- Exclusive Solas squeeze casting process- Wide blade design specifically for 4-stroke engines- Outstanding acceleration and top speed FITS ON: Mercury, Mariner Outboard and Mercruiser Stern Drive135 HP   1987 & UP150 HP   1978 & UP175 HP   1978 & UP200 HP   1978 & UP220 HP   1987 to 1988225 HP   All Years250 HP   1994 & UP275 HP   1990 to 1994300 HP   1983, 99  & UP3.4 Litre   1984 to 1986 MERCRUISERAlpha One 2.5L to 5.7L, D2.8L to D7.3L, 262 Mag, 350 Mag, 454 MagBravo One (Rubber Hub) 1988 and newer365 HP & Lower 5.7L to 7.4L 320 EFI, 350 Mag, 454 Mag  Mercury Mariner 14.25" 17" Pitch 4 Blade RH  15 TOOTH SPLINE 135 HP -& UP. MERCRUISER, APLHA ONE, BRAVO ONE RUBBER HUB 1998 AND NEWER