CASTROL Act Evo Semi-Synthetic 4T Engine Oil 20W-50 1 U.S. gal. 15D7D1

Partially-synthetic 4-stroke oil features advanced semi-synthetic protection for reduced temperatures, better shifting and added protection, TriZone Technology allows the use of one oil to protect the engine, clutch and gearbox, Greatly extends time between oil changes and remains active even when the engine is turned off