88 camaro iroc rims

 this subjust has nothing to do with car audio or anything but i need help and i don't know what to do................

i bought a 88 iroc and it came with weld racing rims..........these rims are amazingly strong racing rims and are supposed to be top of the line....so i was driving around the other night and then i heard a sound from outside my car i went a little further and then the sound got unbearible in a matter of seconds..........and i pulled over and got out and when i looked at my rim i was surprised to see it was totally cracked.......benind each of the five spokes was cracked and one of the spokes out side was cracked and the whole rim in a 10 inch circle was almost all cracked 3/4 of the circle was cracked i was really pissed when i saw this cause i cleaned that rim earlier that day and now it's broken..........i was about a block away from my house when this happened ......... but i need to know if there is any action i can take..........because the rims came with car and they were on before the last owner so what do i do because these rims are exspensive please help............thanks