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80W140 GL-5 Gear Oil

An old-school viscosity that still out-protects the competition.

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80W140 GL-5 Gear Oil
80W140 GL-5 Gear Oil
80W140 GL-5 Gear Oil

80W140 GL-5 Gear Oil

  • Recommended for API GL-5, GL-6, MT-1, MIL-L-2105E and SAE J2360
  • Contains additional friction modifiers for suitability with clutch-type limited slip differentials - for most LSDs, no additional friction modifiers are required
  • This product is not designed for use in manual transmission or transaxles with synchronizers, as its slipperiness may lead to shifting problems
  • Popular in stock car racing differentials and transmissions
$18.49
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These products contain the extreme pressure additives necessary for ultimate protection road cars and racing vehicles, as well as friction modifiers for proper limited-slip operation

  • Fully-synthetic formulas created from polyol ester base stocks, offer excellent lubrication under extreme conditions
  • High viscosity-index (VI) to provide relatively constant viscosity and film thickness with varying temperature change
  • Ester base stocks and friction modifiers provide additional slipperiness to lower operating temperatures by reducing the sliding friction in hypoid gears
  • Superior shear stability and reduced oxidation compared to other synthetics and conventional gear oils
  • Exceed API GL-5 specifications
  • Engineered to provide the highest degree of protection and improvement of differential efficiency for better mileage, longer drain intervals, and less wear

Data Sheet Downloads

Typical Properties

API Service Class GL 5+
SAE Viscosity Grade (Gear Oil) 80W140
Vis @ 100°C, cSt 26
Vis @ 40°C, cSt 227
Viscosity Index 146
Pour Point, °C -40
Pour Point, °F -40
Brookfield Viscosity, Poise 500 @-26°C

Available Sizes

Quart 58104
5 Gallon* 58106
16 Gallon* 58107
55 Gallon* 58108

*Only available from our dealers