Rowe HIGHTEC SYNT RS D1 SAE 0W-16 Viscosity SAE 0W-16 Base oil HC-Synthese / HC-synthetic Specifications API SP RC/SN PLUS RC (Resource Conserving) - ILSAC GF-5/-6B Premium multi-grade high-performance motor oil based on HC-synthetic technology. With lower viscosity for maximum fuel economy. Suitable for petrol-driven and all hybrid car engines (micro, mild, full and plug-in hybrids) approved to use motor oils of SAE grade 0W-16.