Evinrude Johnson 18hp 377785 278219 Carb Carburetor Air Box Outboard 1961 Intake 85hp 390-7804A3 is technically the number

390-7804A3 is technically the number for the V8-24 modules

Connecting Rods (also included as pictured) and I'd imagine they are still the OEM GM ones from the 1972-1989 time period

78A and Mercury 600 models

Key 28-30281

GM 150hp 230cid 3

Evinrude Johnson 18hp 377785 278219 Carb Carburetor Air Box Outboard 1961 Intake 85hp 390-7804A3 is technically the numberThis is off a 1961 Evinrude 18Hp Fastwin Outboard Model 5602R (serial# E05723) 2 Two Cylinder Cyl. 2 stroke Boat Motor. Item Condition and Notes: Good Condition May need to be rebuilt Condion unknown Please Inspect Pictures for condition Freshwater Part Part #'s Included Carburetor Bowl : 377785 0377785 306187 Carb: 278219 0278219 376972 Air Box Top: 277437 0277437 Air Box Base: 307404 0307404 Yours should look like this one. Please ask if you are