8M0188299 Quicksilver Cylinder Head Complete 2.5L/3.0L All new Quicksilver cast iron cylinder head, hardened valve seats press fit into thecylinder head with stainless steel valves featuring seats treated with acobalt-chromium alloy for extreme durability. This cylinder head features screw-inrocker studs. Early design large intake ports require the use of gasket 27-96429. Fits: 1963-1989 MCM (sterndrive) 2.5L & GM 2.5L 1968-1989 MCM (sterndrive) 3.0L & GM 3.0L 2.5L GM automotive & Postal engine
