I have had the Jacobs brand brake since my truck was almost new (99 4x4 5speed). In my opinion, should be a factory installed option, couldn't imagine not having it. At 110k miles, I replaced my clutch due to worn disk hub springs. I guess the clutch has to work extra hard with additional power from performance mods and holding back the weight of my combined rig. My brakes last 50 to 60k miles.