Mishimoto 2008-2010 Ford 6.4L Powerstroke Upper Support Barthe bumps, the frame twisting amounts of torque, and the potholes. As the frame moves, so do vital underhood components, including the cooling system. At Mishimoto, we? re enabling you to push the limits of your truck even further with the new Mishimoto direct fit upper radiator support crossmember bar for 6. 4L Powerstroke equipped Super Duty trucks. Engineered right here in Delaware, our core support bar is constructed of heavy duty steel and firmly