Kross Boron & Ceramic Engine Oil Protector is an advanced engine oil additive developed to minimize internal engine friction. Its hybrid structure combines Nano-Ceramic (Hexagonal Boron Nitride – hBN) particles with chemical boron compounds in a single formula, forming a smooth, glass-hard and extreme-temperature-resistant microscopic coating on all metal surfaces exposed to wear inside the engine (pistons, piston rings, bearings, camshaft, etc.).

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