by
Automotive Gear Oil Treatment Additive Stops Seal Leaks Anti Wear Booster Pac…
Designed to mix with all synthetic and conventional petroleum GL-4, GL-5, MT-1 gear oil / lube grades including 75W-90, 80W-90, 75W-140, 85W-140 and all others. Extends system life by stopping leaks, reducing noise and improving gear performance.