Ok guys, Has anyone ever had problems with National Drivetrain sending the wrong parts?, Parts not fitting?, Giving bad tech. advice?, and or taking an extremely wrong time to refund your money?, If so, please post your bad, or good exsperiances with them hear. i am trying to figure out if they screw everyone, or just me. I ordered two sets of gears from them with install kits and and eaton posi. Their prices were great, however, first, they sent out the wrong posi and install kit, so they said they would send me a the right set imediatly, charge me for them, and then refund me when they recieved the wrong set back. However, they took a month and a half to two months to refund my my money. (Approx 400 dollars). Now, i am having the gears instlled, and am having an awful time to get them to fit corectly. First, they had the wrong size shims in the install kit, and now, I cant get they're gears to fit in the front. They fit in the rear, but bot as well as they should have... Just venting. Dont ever buy from them! ike Spreading The K5 Gospel!