The best known and highest money winning flexplate on the market Continues to evolve! Available in a heavy weight, for quicker launches and more consistant RPMs during the shift, or light weight for faster turbo spool time and improved engine response for street, circle track, or road race applications. These percision machined flexplates feature a double welded high quality ring gear and the highest quality steel centers. Designed to take the punishment of todays high HP high revving motors from street to ProMod applications. All of J.W.s flexplates are SFI certified and have a replacable ring gear.