MerCruiser 63122A1 63122 2.5L 120hp 4cyl Exhaust Manifold 1972-1982 May Need Repair 60hp The pivot pins used with

The pivot pins used with this type of bell housing were steel dowels held in by nails rather than having threaded ends that screwed in

3LX (4 BBL

Appears to be generally used on GM V6 Vortec engines 1997-2007 (So possibly some MerCruiser models as well)

This would have been found on all OMC Cobra 120hp 2

This would have been found on either MerCruiser Pre-Alpha One Applications and Outboards from the 1960's until the late 1970's

MerCruiser 63122A1 63122 2.5L 120hp 4cyl Exhaust Manifold 1972-1982 May Need Repair 60hp The pivot pins used withThere 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