Check the vendor sites, all are good. Some more expensive than others but usually because they offer a longer warranty. Heath, Kennedy, PMD Cable dot com etc to name a few. I cobbled mine up from a couple of places. I took the heatsink w/FSD from SS Diesel (already on the truck but mounted to intake) and moved it to the bumper using pmdcable.com's extention cable. If you are really resourcefull, it wouldn't take a lot of time or effort to put together a cable of your own. Many have done so quite successfully. Your call.