4 Pack AR6500 Diesel Fuel Additive 10.1 oz for All Diesel Engines 400 Gallons
$77.03
Each bottle treats up to 100 gallons (400 gallons total). BOOSTS CETANE UP TO +8: Raises cetane up to 8 points for faster ignition, smoother combustion, and improved drivability; many engines run best around 48–50 while pump diesel is often 40–45.
