TriboDyn TRI-EX 75W-90 Full Synthetic Gear Oil with Built-in Friction Modifier for Limited Slip Differentials, API GL-5 Compatible – Made in USA (1 Quart, 75W-90)

Exclusive TRI-EX Formula Treats Metal Surfaces: Engineered to bond with gears and bearings, reducing friction and wear even during dry starts—trusted by pros for extending gear life in high-performance differentials.
Built-In Premium Friction Modifier: No need for separate additives in limited slip and positraction differentials, ensuring chatter-free traction and seamless DIY installs for mechanics tackling heavy-duty repairs.
Meets or Exceeds API GL-5 and MT-1 Standards: Certified for heavy-duty use in worm gears, power dividers, and superchargers, backed by USA manufacturing in an ISO 9001 facility for unmatched quality assurance.
Extreme Pressure Protection for High Loads: Withstands shock loads and high torque in trucks and off-road vehicles, delivering superior anti-wear agents that minimize scoring and pitting under severe conditions.
Thermal and Oxidative Stability: Maintains viscosity in extreme heat, preventing breakdown and lowering operating temperatures—ideal for racing applications where reliability is non-negotiable.
Shear Stability for Consistent Performance: Retains film strength through prolonged use, providing synchromesh compatible lubrication for smooth shifting in manual transmissions and transfer cases.
Anti-Corrosion and Rust Protection: Shields yellow metals and seals from moisture and contaminants, ensuring long-term durability in automotive gear oil applications for both street and trail.
Low-Temperature Fluidity Down to -50°F: Flows easily in cold weather for quick startups and protection, making it the go-to 75W90W synthetic gear lube for DIYers in harsh climates.
Universal Compatibility with Synthetics and Petroleum: Mixes seamlessly without issues, reducing maintenance costs and simplifying oil changes for mechanics servicing a variety of vehicles.
Improves Fuel Economy and Reduces Maintenance: By minimizing drag and extending intervals, this high-load carrying gear oil helps pros and enthusiasts get the best efficiency and longevity from their rigs.