Amsoil Original Equipment 10W-30 Synthetic Oil (OET)

Amsoil OE 10W-30 Synthetic Motor Oil is specially formulated for the longer oil change intervals recommended by vehicle manufacturers today. Its advanced synthetic technology resists chemical breakdown for maximum wear protection (and peace of mind) well beyond the traditional 3,000-mile oil change interval. Read More …

Amsoil Signature Series 5W-50 Synthetic Oil (AMR)

Amsoil Signature Series 5W-50 Synthetic Motor Oil is engineered to outperform conventional and synthetic motor oils. It combines industry-premier synthetic technology with Amsoil premium additives in a unique formulation that exceeds the higher performance demands of modern engines. Signature Series delivers the performance and value upon which the Amsoil reputation is built. The culmination of more than 40 years of expertise, its exclusive formulation raises the bar for motor oil performance. Read More …