Red Line Heavy Shockproof Gear Oil - 1qt 58204Film thickness greater than an SEA75W140 Low fluid friction similar to an 80W gear oil or 30W motor oil Excellent low temperature flow, improves cold shifting Great application for racing differentials under moderate loads Popular in racing transmissions, helps prevent tooth breakage Resist gear throw off AVOID USE where pumps, coolers and filters are in use Designed for wet sump transmissions and differentials with splash lubrication only