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View Full Version : WTB: Mercury 250XB Fuel ECU/ 300 ProMax heads


Tinbanger1979
08-10-2018, 07:11 AM
I'm looking for a 250 XB fuel ECU and 300 ProMax heads to bolt on my 1996 Mercury 250 EFI motor. I already have the 300 ProMax ignition ECU.
Tinbanger1979
08-17-2018, 05:34 AM
Found ECU and heads. Thanks