Custom built Mercury 525 EFI making 570HP. We increase the bore and do extensive head porting adding an extra 45HP. We have these engines in stock ready to ship. Don’t forget to ask about our easy lay away and financing plans. Ask for Randy, days 305-893-5018 evenings 305-343-2591 Be sure to visit http://www.cobrapower.com to view our many high performance offerings.
