marine engines

[rcr]

Are there any 3M-2500 or 4M-2500 V 12 engines available in rebuildable condition? A pair is needed but any will do.

[frank231]

4M-2500 is new-generation Packard marine engine. It is developed by Vincent, who is leading engineer of Packards.
It is consists of clean sheet and designed a four-stroke, 60-degree V-12 and includes aluminum block of 6.4 to 6.5
inches bore.