Mercury Mariner 745-4973 745-6614A3 Piston Connecting Rod Assembly 65-70hp 3cyl U-bolts ) GM 305 V-8 1977

) GM 305 V-8 1977 → 4762210 THRU 6218461

Should work with any other Rochester 4 Barrel Quadrajet or Holley Carburetors: MerCruiser

1994 1995 1996 1997 1998 1999 2000 2001

Part 311277 appears to be broken but come with this listing

You get the pair of heads as pictured

Mercury Mariner 745-4973 745-6614A3 Piston Connecting Rod Assembly 65-70hp 3cyl U-bolts ) GM 305 V-8 1977Part Number(s) Included 745 6614A3 Piston & Pin Assembly (casting 745 4973) STANDARD SIZE PISTON Superseded Equivalent Related P N: 745 4891A2 > 745 5218A3 > 745 6614A3 > 745 7657A3 > 776 8869A3 > 774 9137A12 622 4850A3 Connecting Rod & Cap Assembly (casting 622 3665) Superseded Equivalent Related P N: 622 3666A4 > 622 3666A10 > 622 4850A4 > 622 4850A3 > 622 3666A10 > 622 4850A4 > 624 8101A3 31 62596A1 Crankpin Bearing Assembly General Application