Significantly improves cetane, cleans fuel injectors, provides excellent lubricity enhancement, and provides excellent rust/corrosion protection. Most importantly, PowerMaster emulsifies water very effectively, eliminating costly pump and injector damage caused by free water! You will "feel" the difference in your diesel engine! One 12 ounce bottle treats 187 gallons of diesel fuel! Six 12 ounce bottle case. For Summer and warmer climate use! Primrose PowerMaster 405: six 12 ounce bottles prpo405Regular price: $41.00Sale price: $33.00 © 2004 AVLubricants - ExxonMobil Distributor Specializing In Hard To Find Products