If you get a set of elastomeric bumpers, get them from Gene Gregory in Alhambra, Illinois. He owns and operates Alhambra Services and his work is spot on. Even better, he uses steel chrome bumpers to do the conversion. The prevents us all from having to buy a new set of bumper brackets to fit the original elastomeric bumpers.
Go with Gene. He is at the nationals every year and also has the bumpers on E-Bay quite often. He will also give you a discount if you give him your bumpers to do the elastomeric conversion with.
Genes E-Bay user name is "newreproparts". If you can give him a good core, he will deduct 100.00 for each core. This puts a front and rear seat at $1450.00.
I am not aware of anyone else doing this. I have an idea that other people are selling these after buying them from Gene. I know I have seen quite abit of this up at the Nationals. You can always tell Gene's work though.
He also makes aluminum louvers as original for our Cudas and Challengers. They are spot on and ready to install.
Daniel