8.1L Cylinder Head - Driver Side
- All new Quicksilver cast iron cylinder head with hardened valve seats
- Heavy duty valve springs - 5200 RPM Rev Limit
- Screw in rocker studs & push rod guides
- Marine grade brass core plugs
- Features Black-X Composite Valves for 42% Longer Life
For: 2000-2009 MCM 496 & 496 HD, 2000-2009 MIE 8.1S Horizon & 8.1S HO, 496 HO MPI Plus Series, 8.1L Horizon Plus Series, 8.1L L18