Opti-Lube XL Xtreme Lubricant is the ultimate lubricity additive with revolutionary deposit control. This product continues to increase the lubricity of diesel fuel up to a mix ratio of 512:1. Proven Xtreme lubrication is also followed up with water and deposit control to keep your fuel system safe and functioning at its full efficiency.
One gallon bottle. Use 1/4 to 1/2 oz per gallon of fuel.