Opti-Lube XPD is the ultimate in performance diesel fuel additives. The best diesel fuel additive on the market. Opti-Lube XPDs primary purpose is to increase the lubricity properties of ultra low sulfur diesels ULSD. However improving Lubricity is just the beginning. XPD Formula is a multi-functional additive for upgrading the quality and enhancing the performance of diesel fuels. XPD simultaneously improves lubricity efficiency cleans injectors improves Cetane by up to 3 points and contains an anti-gel to keep your fuel flowing down to -10 F. * XPD does not contain any harmful alcohol.

Opti-Lube XPD DIESEL Fuel Improver 1 Gallon Without Accessories Treats Up to 512 Gallons
$47.78