Oil Supplements

No. 510


  • Gasoline Engines
  • Diesel Engines
  • Gear Boxes
  • Differentials
  • Hydraulic and Transmission Systems

V.I. Plus Oil Supplement is a highly fortified extreme pressure oil supplement, which contains a shear-stable viscosity index improver to improve the film strength of virtually all mineral oil fluid lubricants.

Frontier’s exclusive ETX extender additive system gives V.I. Plus the ability to clean components and reduce sludge and varnish buildup. Its adhesive/cohesive properties provide excellent adhesion to metals.


  • Crankcase: One pint per gallon of oil
  • Hydraulic and Gear Oil Systems: One half pint per gallon of oil.
  • Automatic and Power Shift transmissions: One half pint per gallon of oil

V.I. Plus Oil Supplement contains a highly specialized additive package. When used consistently at the recommended treat rates, V.I. Plus Oil Supplement will provide the following performance benefits.

Engine oils

  • Neutralizes harmful engine acids
  • Increased compression through better ring seal
  • Reduced oil consumption
  • Elimination of sticky valves and lifters
  • Reduced Blow-By
  • Increased oil pressure
  • Reduced engine friction and wear
  • Increased power
  • Improved viscosity
  • Extreme pressure protection of the engine bearings, valve train, pistons, rings and other engine
  • Parts exposed to possible metal to metal contact
  • Extended drain intervals when supported by oil analysis

Gear boxes, hydraulic and transmission systems

  • Neutralizes acid buildup
  • Removes gum, varnish and sludge
  • Improves oil viscosity
  • Reduces seal leakage
  • Lowers operating temperature
  • Increases oil life
  • Reduces frictional drag