Mercury - Manual-owners - 90-17991910 Docking Raises the height of the

Raises the height of the GM V-6 & V-8 small block (non-Electronic Control) engines with dry joint exhaust system to prevent water from entering the engine through the exhaust system

A: An engine anode sacrifices itself to corrosion so the surrounding engine components remain protected from electrolysis damage

Concentric rings snap-lock in place for tight leak proof seal in 1" diameter opening

and long hours of use

Q: Can a weak fuel pump cause rough running

Mercury - Manual-owners - 90-17991910 Docking Raises the height of theManual owners WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov.