Cozmoil Synthetic Lubricants Kay & Bill Yarnall 68 Nanticoke Drive Dover, Delaware 19904   Phone: (302) 697-1357   Synthetic lubricants for all your needs, specializing in Motorcycles and All-Terrain-Vehicles Since the introduction of AMSOIL synthetic motor oil in 1972, AMSOIL has gone on to develop the most complete line of synthetic lubricants and automotive products in the world. The history of AMSOIL product innovations is a checklist of industry firsts. AMSOIL "firsts" in motor oil, two-cycle oil, gear lube, grease, air filter and oil filter technology are proof-positive of the AMSOIL commitment to innovation. Our commitment to you is to provide Central Delaware with these outstanding products and answer your questions on use and applications.   Corporate Announcement AMSOIL Signature Series 0W-30 Synthetic Motor Oil is the industry benchmark in lubrication technology. Engineered with the world’s finest synthetic base oils and high performance additives, AMSOIL Signature Series 0W-30 is designed for those who demand the absolute best in motor oil performance. The exclusive “extended drain” formulation delivers superior engine protection and maximum fuel economy. AMSOIL Signature Series 0W-30 is a premium grade synthetic motor oil that exceeds the requirements of modern, high-performance engines and older engines. It replaces other 0W-30, 5W-30 and 10W-30 motor oils and consistently outperforms competitive conventional and synthetic motor oils.   Featured Product Signature Series 0W-30 100% Synthetic Motor Oil Home Featured Products Contact Us Promotions and Announcements About Us Other Links Event Schedule