Cleaner of nozzles. Hi-Gear DIESEL JET CLEANER & EMISSION EMPROVER, neutralizer of NO, CH, CO (with SMT2). It meets the tests of cleaning properties CUMMINS N-14 and L-10. It increases the cetane number of diesel fuel. It has special efficiency in reducing toxicity of exhaust gases (NOx, CH, CO). It comprises the synthetic metal conditioner SMT2. It is recommended for use each 3000 km and before each check for toxicity.