The Sparkle and Shine will last a life time.
There is no polishing involved in the Diamond Heads process nor will you ever have to polish them. They will sparkle and shine for a life time. Diamond Heads is a patented cooling system and has been proven to help your engine to run cooler.
US PAT. 6626134
US PAT. D499742
US PAT. D500768
WE ALSO HAVE A PATENT IN JAPAN FOR DIAMOND HEADS PROCESS.
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