Now with Black Oxide coating that resists corrosion and prevents hydrogen embrittlement that can cause cracking. These new style units will fit any OEM or aftermarket torque converter and affordable enough to replace with converter or transmission swap. The BD Black FleX-Plate fits all 1988-2007 5.9L Cummins engines and is a direct, bolt-in replacement for the stock unit. Great for racing, towing or stock applications! For the racing or pulling enthusiast who has spent all that time and money to “sup-up” their rigs, it`s a crying shame be left at starting line or stuck in a mud hole because one of the weakest links has let you down. We are talking about the flex plate. The flex plate is what connects your engine to the torque convertor and the one supplied in your truck from the factory is not meant to hold the heavy torque loads that can be so easily be produced with a high performance engine. The BD Flex Plate is guaranteed to be industries strongest. Advanced design allows this flex plate to absorb drive train stresses while still being able to handle over 1500 lbs-ft of torque. These units are precision balanced and feature the best warranty in the business. The BD Flex Plate features: • 2 times thicker than stock • Manufactured using a high strength Cold Formed process • 300% less radial run out compared to other aftermarket flex plates • High Quality welds • Shot Peened for stress release and higher fatigue strength • Not effected by hydrogen embrittlement which can drastically reduce strength • 350% better fatigue strength than Aluminum • Correct ring gear that won`t damage starter. Easy to install, simply align with the starter and bolt in place. For the ultimate racing or pulling 5.9L, you need the BD Flex Plate. Now SFI 29.1 approved