need some info on centerlines

If you look around the hub hole, you should find a production date stamped there also. Once you find that date, I'd call Centerline & ask if they will accept radial tires. The reason I say this is I bought a pair of 15x4 stamped for bias ply only. I called Centerline, they asked for the stamp date & said they would work with radials. They said that "some" wheels during an early production run were stamped incorrectly. I hope this helps you, good luck with your wheels.