ATF's NEW SFI Approved Steel Flexplate is made from Billet Steel and still withstands well over 2,000 horsepower. Will accept Aftermarket 2JZ A340/341 Billet front Cover Converters.The ATF SFI Approved Billet Steel Flexplate allows you to bolt your Toyota Pattern Torque Converter directly to this Flexplate.• Flexplate. Use Red Loctite.