Extreme Differential Protection: Red Line 75W140 GL-5 Gear Oil

Guard your high-performance differential against severe heat and hypoid gear wear with Red Line 75W140 GL-5 Full Synthetic Gear Oil (Part #57914), available now at Straight Six Imports. This lubricant is the ultimate defense for heavily-loaded, high-horsepower applications, including BMW M-series, Ford Mustang, and custom racing differentials.

Red Line's signature Polyol Ester base stocks provide phenomenal thermal stability and superior shear resistance compared to conventional oils, ensuring your gear set is protected even when fluid temperatures skyrocket during track days or drag launches.

Key Features for Performance Differentials:

• Ideal for LSDs: Contains sufficient friction modifiers to silence chatter and ensure optimal lock-up in most clutch-type Limited Slip Differentials (LSDs), often eliminating the need for separate additives.

• Extreme Temperature Stability: The 75W140 viscosity and synthetic composition ensure a protective film under high heat while still flowing easily during cold starts (down to 45C / 49F).

• GL-5+ Protection: Exceeds API GL-5 specifications, providing the necessary extreme pressure (EP) additives for ultimate protection of heavily loaded ring and pinion gears.

• Reduces Operating Temperatures: The ester base stocks and friction modifiers reduce sliding friction within the hypoid gears, leading to lower differential operating temperatures and improved component life.

• Compatibility: Highly recommended for specifications including BMW SAF-XJ, Ford WSS-M2C940-A, and other heavy-duty GL-5 applications.

Do not use in most manual transmissions, as the high friction modifiers can harm synchronizer function. Trust the fluid engineered for ultimate differential endurance. Choose Red Line 75W140 GL-5 (57914) today.