for the carb, try these guys:https://flyingfishcarburetors.com/Marine-Boat-merCruiser-Rochester-OMC.htm#mercHave used them when replaced carb on my last boat, a 2550SX Sport Chaparral w/ 7.4.Went without a hitch
Suggestion: If you have Bennett tabs, the Bennett's have an option to auto retract the tabs every time ignition is turned off. The new LED tab position indicators have this function built in. I, just last week, installed the LED indicator on my '95 2...