Red Line® 80W140 GL-5 Gear Oil is popular in stock car racing differentials and transmissions. This product contains additional friction modifiers for suitablity 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. Recommended for API GL-5, GL-6, MT-1, MIL-L-2105E, and SAE J2360. Sold in quarts.
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