Red Line 80W140 GL-5 Gear Oil is popular in stock car racing differentials and transmissions.
RedLine 80W140 GL-5 Gear Oil
Recommended for API GL-5, GL-6, MT-1, MIL-L-2105E and SAE J2360
Contains additional friction modifiers for suitability with clutch-type limited slip differentials - for most LSDs, no additional friction modifiers are required
This product is not designed for use in manual transmission or transaxles with synchronizers, as its slipperiness may lead to shifting problems
Popular in stock car racing differentials and transmissions