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Exhaust bolt collars (clamp) ? how to clean?

Andrew Vanis

Forum Mentor
Past Site Supporter
Exhaust bolt collars (clamp) ? how to clean?

What are these things made of?

What cleaning would work on this?

IMAG0657_zpsfe3d753d.jpg
 
They are made from chrome plated cast steel. The metal was quite porous and the chrome often rusts. EvapoRust and a stainless steel wire brush will help, but with that much damage, there is only so much you can do. After clean up I'd hit them with some clear header paint. Not sure the paint will last, but won't hurt.
 
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