Winch Wires Against Radiator

When I was installing my new Superwinch LT2500 on my 2016 Sportsman 570 the wires from the solenoid to the winch were 2 feet to long so I purchased a couple 24" cables from Autozone. These were just the right length. The wires are right against the radiator as you can see in the pic.
Does anyone know how hot the radiator gets? Should I protect these wires or change out with longer wires?

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