Designed for hard-working vehicles that live in severe service. Handles heat so well, you can confidently double your vehicle manufacturer’s severe-service drain interval with guaranteed AMSOIL protection. Introducing AMSOIL Synthetics Signature Series Transmission Fluid AMSOIL Signature Series Synthetic Automatic Transmission Fluid is ideal for commercial vehicles, SUVs, trucks, and vans. It is designed to handle … Continue reading Signature Series Fuel-Efficient Synthetic Automatic Transmission Fluid