The ultimate full synthetic ester 4-stroke high performance racing engine oil. Utilizes Electrosyntec technology derived from aircraft turbojet engine lubrication. Developed and tested with Factory race teams in Moto GP, Superbike, Supersport, Supermoto, Off-Road and Motocross competition. High Viscosity Index, exceptional shear strength and outstanding thermal stability give excellent continous stay-in-grade performance. Outstanding anti-wear, anti-friction and load-carrying properties. Meets or exceeds API-SG, SH, SJ and SL standards. Motorcycle 4T JASO-MA and MA2 certified. SAE 5W-40 & 10W-50.