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This is the NASA Marine EX-1.
It monitors your exhaust temperature and screams at you if things get too hot.
Critical for marine diesel engines—catches overheat issues before you melt something expensive.
Brand new, made in the United Kingdom.
Part number EX1.
Not a custom bundle, just the unit.
If you run a boat and don't have EGT monitoring, this is a smart add.
Simple install, peace of mind.
59 reviews