Exhaust manifold to cylinder head mounting package.
Fits MerCruiser 4 cylinder 153 and 181 C.I.D., 120 H.P. (2.5L) and 140 H.P. (3.0L), Models 120R and 140R-MR/Alpha 1 (log style direct replacement).
Compatible parts:
Manufactured by Barr Marine. Part number MC-1-99798P.