MC-1-99798 Mercruiser 4 Cylinder Exhaust Manifold ronstan orbit blocks - series 150 - single lashing block this system is a must-have

this system is a must-have for every responsible sailor

- Suitable for above or below waterline use

repair or stowage

With features like moisture-tight wiring

• Individual MED / SOLAS certificate

MC-1-99798 Mercruiser 4 Cylinder Exhaust Manifold ronstan orbit blocks - series 150 - single lashing block this system is a must-haveBARR MC 1 99798 Mercruiser 4 Cylinder 153 & 181 Exhaust Manifold Direct replacement water cooled exhaust manifold MerCarb 3 11 16" x 2" bolt pattern. 6 bolt mounting Suitable for Mercuiser 4 cylnder 153 & 181cu. 120HP 2. 5L & 140HP 3. 0L Pre 1990 models 120R and 140R MR Alpha 1 log style exhaust manifold Replaces Mercruiser part 99798A9 BARR manifolds include plugs, gaskets and mounting hardware to mount riser