MerCruiser 63122A1 63122 2.5L 120hp 4cyl Exhaust Manifold 1972-1982 May Need Repair Heads AJ-49A) this is for early

AJ-49A) this is for early Mark 30

They used the same lower gearcase with all of the engines so you're particular engine is not applicable so this basically covers (120hp 140hp 4cyl 165hp 6cyl 170hp 305 350 470 2

Throttle Lever: 378308

Generally used 1983-1986 on GM 4

MerCruiser 63122A1 63122 2.5L 120hp 4cyl Exhaust Manifold 1972-1982 May Need Repair Heads AJ-49A) this is for earlyThere is a crack on this that will need to be patched repaired. Part Number(s) Included MerCruiser 63122 63122A1 63122A10 Exhaust Manifold Unfortunately We spotted a commonly encountered crack on this that is on the center exhaust port The standard practice to fix this would be drill the end of the crack and then channel it back out to the flange and weld fill everything to properly repair this. (see pictures) Includes Plate 62575 & 39949 General