With the use of an Ea Oil Filter  these oils can be changed every 25,000 miles or one year (whichever comes first)

Signature Series 0W-30 Synthetic Motor Oil (SSO)

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.

Series 2000 20W-50 Synthetic Racing Oil (RD50)

The number one choice for racers of all types of vehicles. Special synthetic base stock blend and advanced additive package provides up to four times the wear protection of other motor oils. Reduces friction for quicker engine response and increased horsepower.

Amsoil SAE 5W-30 (ASL)

Dramatically outperforms conventional petroleum motor oils. Reduces friction, heat and wear for maximum power, performance and fuel efficiency. Resists high temperature burn-off, chemical breakdown and sludging -- keeps engines cleaner. Outstanding low temperature fluidity for fast, dependable winter starts and immediate start-up protection. Exceeds the most demanding world-wide performance standards and meets warranty requirements for all domestic and imported passenger car engines, both turbocharged and non-turbocharged. Up to 25,000-mile or 1-year drain intervals.

Amsoil's 10W-30 Synthetic Motor Oil (ATM)

Dramatically outperforms conventional petroleum motor oils. Reduces friction, heat and wear for maximum power, performance and fuel efficiency. Resists high temperature burn-off, chemical breakdown and sludging -- keeps engines cleaner. Outstanding low temperature fluidity for fast, dependable winter starts and immediate start-up protection. Exceeds the most demanding world-wide performance standards and meets warranty requirements for all domestic and imported passenger car engines, both turbocharged and non-turbocharged. Up to 25,000-mile or 1-year drain intervals.

SAE 10W-40 Synthetic Premium Protection Motor Oil (AMO)

AMSOIL Synthetic 10W-40 Premium Protection Motor Oil is specially formulated to provide superior protection and performance in a wide variety of demanding applications. By incorporating high quality synthetic base stocks and additives, AMSOIL Premium Protection Oil exceeds the needs of large and small gasoline or diesel engines in cars, motorcycles, trucks, motor homes, maintenance equipment, heavy equipment, street rods and marine applications. AMSOIL Premium Protection Oil resists oxidation, neutralizes acids, inhibits corrosion, reduces wear and protects against deposits. It is ideal for high mileage vehicles and high-stress vehicles subject to hot temperatures, heavy hauling, trailer pulling or off road use. AMSOIL Synthetic 10W-40 Premium Protection Motor Oil provides flexibility and performance beyond conventional oils for convenience and trouble free operation.

Amsoil 0W-20 Synthetic Motor Oil (ASM)

AMSOIL 100% Synthetic 0W-20 Motor Oil (ASM) delivers extraordinary lubrication for automotive gasoline engines. AMSOIL combined the industry premier synthetic technology and additives into a light viscosity formulation that withstands high temperatures and delivers outstanding fuel economy and cold temperature performance. AMSOIL ASM replaces SAE 5W-20 and is recommended for extended drain intervals according to AMSOIL service interval guidelines. It delivers long-lasting performance and protection.

Amsoil Extended Life Synthetic Motor Oils

These Amsoil Synthetic Motor Oil's need to be changed every six months or 7500 miles (Whichever comes first)

(For vehicles that use OEM, Mann  or Wix  oil filters)

Extended Life 5W-20 Synthetic Motor Oil (XLM)

AMSOIL Extended Life Synthetic Motor Oils deliver exceptional protection for 7,500-mile/6-month oil change intervals or longer where stated by vehicle manufacturers or indicated by electronic oil life monitoring systems. They provide "Peace-of-Mind" for owners of modern vehicles where drain intervals exceed conventional oil recommendations of 3,000 miles.

Extended Life 5W-30 Synthetic Motor Oil (XLF)

AMSOIL Extended Life Synthetic Motor Oils deliver exceptional protection for 7,500-mile/6-month oil change intervals or longer where stated by vehicle manufacturers or indicated by electronic oil life monitoring systems. They provide "Peace-of-Mind" for owners of modern vehicles where drain intervals exceed conventional oil recommendations of 3,000 miles.

Extended Life 10W-30 Synthetic Motor Oil (XLT)

AMSOIL Extended Life Synthetic Motor Oils deliver exceptional protection for 7,500-mile/6-month oil change intervals or longer where stated by vehicle manufacturers or indicated by electronic oil life monitoring systems. They provide "Peace-of-Mind" for owners of modern vehicles where drain intervals exceed conventional oil recommendations of 3,000 miles.

Extended Life 10W-40 Synthetic Motor Oil (XLO)

AMSOIL Extended Life Synthetic Motor Oils deliver exceptional protection for 7,500-mile/6-month oil change intervals or longer where stated by vehicle manufacturers or indicated by electronic oil life monitoring systems. They provide "Peace-of-Mind" for owners of modern vehicles where drain intervals exceed conventional oil recommendations of 3,000 miles.

On the following use drain intervals according to the manufacturers'

recommendations for synthetic motor oil

Amsoil SAE 20W-50 Synthetic

Premium Protection Motor Oil (ARO)

AMSOIL Synthetic 20W-50 Premium Protection Motor Oil is specially formulated to provide superior protection and performance in a wide variety of demanding applications. By incorporating high quality synthetic base stocks and additives, AMSOIL Premium Protection Oil exceeds the needs of large and small gasoline or diesel engines in cars, motorcycles, trucks, motor homes, maintenance equipment, heavy equipment, street rods and marine applications. AMSOIL Premium Protection Oil resists oxidation, neutralizes acids, inhibits corrosion, reduces wear and protects against deposits. It is ideal for high mileage vehicles and high-stress vehicles subject to hot temperatures, heavy hauling, trailer pulling or off road use. AMSOIL Synthetic 20W-50 Premium Protection Motor Oil provides flexibility and performance beyond conventional oils for convenience and trouble free operation.

Amsoil 5W-40 European Car Formula (AFL)

AMSOIL Synthetic 5W-40 European Engine Oil is specially formulated for the lubrication needs of European gasoline and diesel cars and light trucks. Formulated with advanced AMSOIL polyalphaolefin (PAO) synthetic base stocks, premium additives and a broad 5W-40 viscosity rating. AMSOIL 5W-40 allows motorists to take advantage of the maximum extended drain intervals recommended by European automakers while providing second-to-none protection and performance in the most demanding operating conditions.

SAE 60 Synthetic Racing Oil (AHR)

AMSOIL SAE 60 Synthetic Super Heavy Weight Racing Oil is designed for high horsepower racing engines, typically supercharged and alcohol-burning or nitro-fueled, and requiring a high viscosity oil to resist the thinning effects of fuel dilution.