Rally Wheel Coating from OEM available from Classic Industries and the catalog number is 11010. It's a little pricey (50 bucks a can) and you'll need 2 cans to do all 4 wheels, but it's dead on from what the factory used. Even has the correct dull finish that the original factory wheels had back in the 70's. I used this paint to paint the wheels on my 70 Z and I couldn't be happier with the results! Here's a pic....
