All new Quicksilver cast iron cylinder head with hardened valve seats
Rectangular intake ports
540 Plus Series or Big Block Gen V & VI Boosted Applications
Not for Mark IV
Heavy duty valve springs - 5500 RPM Rev Limit
2.19" intake valve
Screw in rocker studs & push rod guides
Marine grade brass core plugs
Features Black-X Composite Valves for 42% Longer Life
For: 540 Mag Bravo 4V Plus Series
Supercedes: 900-8M0094193
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MSRP: $1,493.75
Your Price: $1,493.75
You Save: 0% off MSRP!
NOTE: This Item is a Non-Stocked, Special Order, OEM Mercury Part.
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