engine carbon remover

Removes carbon on pistons to a high gloss also protects them from corrosion and oxidation.
1.Maintaining an engine usually means to dismntle.A black layer would be oud on the top,the wall and the combustion chamber of a dismantled piston.That is carbon deposition.

2.Carbon deposition" is not a rare phrase.Every engine,including automotive engine,produces carbon deposition.However,there are products dealing with this problem for automobiles while there is none for rc models.