Mercruiser 4 Cyl 3.0L and 3.0 LX

Mercruiser exhaust manifold and riser for the GM 4 cylinder 181 C.I.D. 140 HP 3.0L and 3.0 LX Models

All Models 1990 and Up (Vortec Style Head) Manifold includes all plugs, gaskets and mounting hardware to 
head. Risers include plugs, gasket and mounting hardware to mount to manifold.