"Bob's AMSOIL Sales is your local specialist in automotive products including AMSOIL, additives and auto filters. In Fort Collins, Colorado and the surrounding areas, vehicle owners trust Bob's AMSOIL Sales for all of their automotive products. We sell AMSOIL oil, we do not provide oil changes. Bob's AMSOIL Sales keeps a great selection of high-quality products on hand for all vehicle owners in the area. Each of the products on our shelves has been carefully chosen and tested for their efficiency and quality. If we carry it, you can rest assured it works perfectly well. Bob's AMSOIL Sales specializes as an AMSOIL distributor. AMSOIL synthetic lubricants are high-quality lubricants. 45+ years of Experience.