Gear Oils

The Red Line 75W140NS is a GL-5 fully synthetic gear oil that has been designed to provide the highest degree of protection in vintage and historic vehicles, using synchro gearboxes, from the mid 1930's to early 1950's. Also for use in competition cars with plate type limited slip differentials. Provides maximum diff lock up as it contains no friction modifiers. Ideal for clutch type LSD's in competition cars as it provides maximum lockingPopular for use in historic and vintage synchro gearboxesCan be mixed with red Line 75W90NS  or MT-90 to aid viscosity and help quieten noisy gearboxes This oil has a high viscosity index (VI), this is to provide a constant viscosity and film thickness

Red line 75W140 synthetic gear oil is designed for heavy duty and high temperature non synchromesh manual transmissions or differentials in road or race applications where outright power is not as critical. Contains friction modifiers making it suitable for use in vehicles with clutch type limited slip differentials (LSD's).Fully synthetic formula provides excellent lubrication even under extreme conditionsGives constant viscosity and film thickness across a wide temperature range Lowers operating temperaturesImproves differential efficiency, increasing service life and drain intervalsSuitable for vehicles fitted with clutch type LSD'sSpecifications: API GL-5 +Recommendations: AP GL-5,

Red line 75W110 is a fully synthetic gear oil recommended for use in rear differentials including clutch type limited slip differentials. Designed as an intermediate viscosity providing extra film strength over an 85W90 but with less drag than a 75W140. Friction modifiers have been added to the oil making it suitable for clutch plate type LSD's in both road and competition cars.Includes friction modifiers making it ideal for vehicles with plate type LSD'sImproved film strength over a 85W90 oil but with less drag than a 75W140 oilImproves LSD operation under extreme loads and high temperaturesHigh viscosity index provides a consistent fim thickness across a wide temperature range for optimum …

The Amsoil 100% synthetic dual clutch transmission fluid is engineered to prevent shudder in sophisticated dual-clutch transmissions. It's frictional properties provide superior protection and consistently produce fast and smooth shifts. Designed to protect high tech dual clutch transmission during the most intense, high heat operating conditions.High film strength and anti-wear extreme pressure additives are specially designed to protect metal surfacesProtects high-tech dual-clutch transmissions during the most intense, high-heat operating conditionsProvides fast and smooth gear changesIdeal for tuned vehicles and track day useAmsoil dual clutch transmission fluid resists shear and