Best cetane booster out there.
Opti-Lube prides itself on providing the Best Diesel Fuel Additives on the market.
Improving Cetane is just the beginning, Opti-Lube Boost! Formula eliminates and prevents both conventional nozzle deposits and internal diesel injector deposits (IDID) in today's most complex engines using high-pressure common rail and other injector systems.
Opti-Lube Boost! is a multi-functional diesel fuel additive with the highest cetane improvement available (7-9 points!) while providing exceptional lubrication to your fuel system. (ranked first in an independent study, view it here).