Remember old school Kendal GT-1? Well this stuff is even better, blended with 30-40% PAO synthetic group IV base stock. Brad Penn has a high 10+ TBN and plenty of ZDDP (anti-wear additives) to keep your engine both clean and well protected. Excellent High Temp High Shear Viscosity for all grades exceed Porsche's min 3.5 cSt HTHS vis @ 150C. For shipping outside the continental 48 states, please call us at 815-472-2939 to place your order.