VP Full Synthetic HI-Performance Gear Oil SAE 75W-90LS is a superior full synthetic, extreme pressure, multi-purpose GL-5 gear oil designed to exceed the needs of automotive gear applications and race cars under high speed, high shock load and low speed, high torque conditions.The product is formulated with exceptional frictional properties to reduce friction resulting in increased power, lower operating temperatures, reduced start-up wear and improved fuel economy. Details:Sold As Quart bottleFull synthetic formulationOutstanding thermal stability that resists high temperature oxidation and depositsSuperior shear stability minimizing viscosity loss while retaining solid film strength and wear protection under severe serviceExcellent rust and corrosion protection as well as resistance to foamingLimited slip performance reducing chatter with improved tractionCompatible with conventional and synthetic gear oils and most limited slip differentialsMeets the requirements of most differential and manual transmissions requiring an API GL-5 gear oil and for the following specifications: API GL-5, API MT-1, MIL-PRF-2105E, Mack GO-J and PG-2 Limited Slip. Always consult your engine builder or owners manual for the correct service category and/or viscosity grade.