Torco T671044CE T-4R 10w40 4-Stroke Synthetic Blend Motor Oil Bottle - 1 Liter Bottle Torco T-4R 4-stroke motor oil is a blend of specially selected synthetic and petroleum base oils designed for high output and high temperature motorcycle engines Provides smooth, positive clutch engagement, maximum engine protection and extreme pressure protection for integrated transmission T-4R features improved shear stability and provides the highest degree of anti-friction and anti-wear for long term protection T-4R is a non-friction modified formula for smooth, positive clutch activation; exceeds manufacturers warranty requirements; exceeds API SG/JASO-M For use in all high performance and racing air cooled or liquid cooled 4-cycle engines found in motorcycle and ATV applications