MerCruiser 10-53728 305 5.0L V8 898 198hp 228 350 Bolt Screw Set Bracket Bolts Bolt Set Idle Mixture: 1399-931

Idle Mixture: 1399-931

and both with 6" diameter - regardless they are extremely similar if you need any help with identification

Temperature Sender: 78799 4

you can see it in the picture 9

0315177 quantity 1

MerCruiser 10-53728 305 5.0L V8 898 198hp 228 350 Bolt Screw Set Bracket Bolts Bolt Set Idle Mixture: 1399-931Bolt Set removed from a 1982 1984 MerCruiser 305 5. 0L V8 4BBL 228hp Sterndrive SN 6674835 Part Number(s) Included Exhaust Manifold Bolt Screw 10 53728 (8 of them) All Other engine related bolts Nuts Washer Spacers & items as pictured are included Not exactly sure all what is here, just take a look at the pictures or ask if you are looking for something specific. General Application Compatibility Likely most of the 305 & 350 models from the 1980's