Valvoline Advanced Full Synthetic 75W-90 Gear Oil provides enhanced performance in hypoid rear differentials and non-synchronized manual transmissions. With 1.5X stronger extreme pressure protection, 1.5X better gear wear protection and 30% better protection against towing and heavy loads vs. Valvoline Daily Protection 75W-90 in ASTM D-7452, it’s a must-have in severe service situations and demanding environments, including off-roading. Featuring superior-quality additives like limited slip for optimal clutch pack performance and an anti-foaming agent for improved lubrication, the full synthetic formula also boasts excellent high temperature performance, thermal stability and oxidation resistance.  It’s recommended for conventional rear axles and non-synchronized manual transmissions requiring extreme pressure gear lubes under high torque, high speed, high load and high horsepower conditions. From everyday driving to heavy hauling, Valvoline Advanced Full Synthetic 75W-90 is a go-to gear lubricant for high pressure performance and durable, smooth, reliable shifts. Upgrade to Advanced Full Synthetic from Valvoline, the #1 gear oil brand.