I put them on a few years ago. They work great. Even used them into May, as we had a few cool days. You will rarely use them on the highest setting, even below 0F. I wish that I had them on my 700 Diesel, in fact, as the heated twist grips on it are wimpy. I plow a lot of snow with my Cats and I tend to favor the 700 TRV for plowing, because of the Heat Demon grips, though the Diesel plows much better. Highly recommend! Hope not to need for a few months, though.