This fully synthetic base oil teamed with our selective additive package yields exceptional viscosity, stability and lasting antioxidation qualities that cannot be derived from conventional base oils Specifically engineered and produced as a multi-fill lubricant for V-Twin motors, transmissions and primaries Suitable for both air cooled or liquid cooled motorcycles Outstanding protection against sludge buildup Made in the U.S.A.. OIL DRAG 15W60 SYN QT