Chrysler Exhaust Manifold End Plate | Barr Marine CM1-6672B End plate for Chrysler small block marine engines with log style exhaust manifolds. Barr Chrysler front end plate Completely blocked - no water connection hole For Chrysler LM318, M340 and M360 engines from 1968 to 1985 with log style manifolds Heavy duty cast iron Gasket P/N CM-1-6672J sold separately Replaces Barr CM1-6672B Replaces Osco 106