Up for sale is a rebuild kit for 2 barrel Mercruiser inboard marine carburetors. It will work with the following models in the chart below. This kit is an aftermarket kit. It will come with everything you see in the pictures. Application Chart: 120 Hp (GM 2.5L, 153 cid, Inline 4) 0A492056 - 0B531853 1986 2.5L (GM 2.5L, 153 cid, Inline 4) 0B531854 - 0C853255 1987 - 1989 140 Hp (GM 3.0L, 181 cid, Inline 4)0A484073 - 0B450800 1986 3.0L (GM 3.0L, 181 cid, Inline 4)0B450801 and Up 1987 - 2004 3.0LX (GM 3.0L, 181 cid, Inline 4)0C856559 - 0K999999 1990 - 1997 165 Hp (Merc 3.7L, 224 cid, Inline 4)0B434941 - 0B774251 1987 170 Hp (Merc 3.7L, 224 cid, Inline 4)6916779 - 0B434940 1985 - 1989 3.7L (Merc 3.7L, 224 cid, Inline 4)0B774252 and Up 1988 - 1989 175 Hp (GM 4.3L, 262 cid, V-6)0B527955 - 0B773242 1987 4.3L (GM 4.3L, 262 cid, V-6) 0B773243 and Up1988 - 2004 200 Hp (GM 5.0L, 305 cid, V-8) 0A482027 - 0B774444 1986 - 1987 5.0L (GM 5.0L, 305 cid, V-8) 0B774445 and Up 1988 - 2004 5.7L (GM 5.7L, 350 cid, V-8) 0F601000 and Up 1996 - 2004 5.7L MIE (GM 5.7L, 350 cid, V-8) 0L002003 and Up1998 - 2004 5.7L Ski (GM 5.7L, 350 cid, V-8) 0F775200 and Up 1996 - 2004