Here is the website
http://www.reactorproducts.com/
I have had alot of certified flex plates and this one is the best by far
Most all your other flex plates are hardened ring gears that break and chip the teeth off,
This flywheel is excellent quality(Reactor)
Well you can make your own decision,I'm not a saleman,but you can make your own decision.
I do have one of these Reactors,they are a really nice piece
Give Olan Teeves a call