Mercury-Mercruiser 938 -8M0115143 CYLINDER HEAD ASSEMBLY
Is no longer available
All new Quicksilver cast iron cylinder head, hardened valve seats press fit into thecylinder head using Manley Extreme Duty stainless steel valves for hightemperature durability. This cylinder head features rectangular ports forMerCruiser High Performance applications using 2.25" diameter intake valves.
HP 500 & 500 EFI
540 Mag Crate Engine
Cylinder head gaskets sold separately
All new Quicksilver cast iron cylinder head, hardened valve seats press fit into thecylinder head using Manley Extreme Duty stainless steel valves for hightemperature durability. This cylinder head features rectangular ports forMerCruiser High Performance applications using 2.25" diameter intake valves.
HP 500 & 500 EFI
540 Mag Crate Engine
Cylinder head gaskets sold separately