| MERCRUISER MANIFOLD KITS 305/5.0L 350/5.7L Chevrolet/GM V8 1983-2002 |

| All manifold kits come with cylinder head to exhaust manifold gaskets, exhaust manifold to riser gaskets, exhaust manifold to riser attaching bolts, water inlet fittings with drain plugs, and aluminum anti-corrosion anodes (aluminum manifolds only). |





| Mercruiser engines may come with either a 3" riser or a 4" riser. The size of the riser is determined by the diameter of the hose that connects the riser to the exhaust pipe. A 3" hose or a 4" hose. |
| Mercruiser 4" riser (accepts a 4" exhaust hose). This riser is used on 1987 - 2002 Mercruiser V6 and V8 engines with the center riser manifolds. |



| Mercruiser 3" riser, (accepts a 3" exhaust hose). This riser is used on 1983 -1995 Mercruiser V6 and V8 engines with the center riser manifolds. |

| The 3" riser is attached with short studs (included). The 4" riser is attached with 6" long bolts (included). |


