I painted mine the same color as the wheels when I put the new tires on. I thought this was factory specs. I did try to locate some stainless, but ran into the same situation you seem to be in now. The bolt heads look great now (didn't even crack off when torqueing! - LUCK) but how long will they stay that nice is the question? If I located some stainless I would buy them, but I'll probably squirt some more paint on them when they start to look scuzzy. Wire wheel them, epoxy primer, then paint. I said "I", but a paint shop did the work after I cleaned and lightly wetsanded the wheels.