I got some specialty reducing silicone hose and hose fitting from them as well, they have the best selection of specialty silicone hose I have found. Wanted to get rid of the short pieces of hose used to bush up the fitting size shipped with GTM or as indicated in build manual. They are still were still trying to leak at each of these locations so I got radiator hose fittings from Pegasus that would allow me to get rid of the bushing hoses and they work so much better.