Mercury-Mercruiser 938-8M0115134 CYL HEAD-COMPLETE
The newest part number is 8M0188299 -click here- to see the newest superseded part
Please note the new superseded part is a functional replacement and may look different from the original part
All new Quicksilver cast iron cylinder head, hardened valve seats press fit into the cylinder head with stainless steel valves featuring seats treated with a cobalt-chromium alloy for extreme durability. This cylinder head features screw-in rocker studs. Early design large intake ports require the use of gasket 27-96429.
1963-1989 MCM (sterndrive) 2.5L & GM 2.5L
1968-1989 MCM (sterndrive) 3.0L & GM 3.0L
2.5L GM automotive & Postal engine
Exclusive to Quicksilver are Black-X Composite valves that are stainless steel valves with seats treated with a cobalt-chromium alloy and black plasma nitriding. This composition provides extreme durability when using gasoline and compatibility with alcohol and alternative fuels.
All new Quicksilver cast iron cylinder head, hardened valve seats press fit into the cylinder head with stainless steel valves featuring seats treated with a cobalt-chromium alloy for extreme durability. This cylinder head features screw-in rocker studs. Early design large intake ports require the use of gasket 27-96429.
1963-1989 MCM (sterndrive) 2.5L & GM 2.5L
1968-1989 MCM (sterndrive) 3.0L & GM 3.0L
2.5L GM automotive & Postal engine
Exclusive to Quicksilver are Black-X Composite valves that are stainless steel valves with seats treated with a cobalt-chromium alloy and black plasma nitriding. This composition provides extreme durability when using gasoline and compatibility with alcohol and alternative fuels.
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Mercury-Mercruiser 27-52364 GASKET, CYLINDER HEAD
The newest part number is 8M0230581 -click here- to see the newest superseded part
Please note the new superseded part is a functional replacement and may look different from the original part