Valvoline made a great thing even better when it put its SynPower Full Synthetic Gear Oil into the FlexFill squeezable packaging. Unlike hard plastic bottles, the FlexFill package can be scrunched or slipped into tight spaces and features a narrow applicator to reduce spills or overpouring when filling front or rear axle differentials. See how FlexFill works in this Valvoline video.
The SynPower formula has additives to protect gear teeth from rust or corrosion, reduce wear, and provide the highest level of protection for conventional or high-performance applications. Plus, SynPower Full Synthetic Gear Oil is the only Valvoline formula with friction modifiers to eliminate chattering in GM, Ford, or Chrysler limited-slip differentials, so you can skip the pricey supplemental additives.
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