I have 4 C5 y2k GM rims for sale 3 are Polished Aluminum without the center caps the rim sizes are 18x9.5 (2) and 17x8.5 and about 85% tread left on each. The other one is powder coated silver with the center cap the rim size is 17x8.5 and the tire need to be replaced. Make an offer for whatever one(s) you want.