Red Line 75W140NS GL-5 Gear Oil 57125

Red Line 75W140NS GL-5 Gear Oil is popular for historic and vintage transmissions, like mid-1930's to early 1950's synchro-equipped gearboxes in cars and trucks.

• 75W140NS GL-5 Gear Oil
• Contains extreme pressure additives like our 75W140 GL-5 oil, but lacks friction modifiers to balance slipperiness
• Popular for historic and vintage transmissions, like mid-1930s to early-1950s synchro-equipped gearboxes in cars and trucks
• Helps with noisy or rough shifting in troubled A-833 Dodge/Plymouth 4-speed transmissions from 1964 to 1969
• Option for noisy transmissions when mixed with 75W90NS or MT-90 to bring viscosity level up
• Also used in clutch-type limited slip differentials in racing for maximum lock up-some users add Limited Slip Friction Modifier in small doses to customize slippage
• MPN: 57104 (quart); 57124 (case of 12 quarts); 57105 (gallon); 57125 (case of 4 gallons)