Valvoline Valvoline Super HPO 30 Wt. Motor Oil offers a full line of premium conventional motor oils that are specially formulated for the full life of the engine. Valvoline's conventional motor oil product line comes in both multi-viscosity and mono-grade formulations. Multi-viscosity grades provide protection in all climates while mono-grade oils are formulated for warmer conditions. All Valvoline oils are formulated with advanced additive technology and premium base oils for high performance and an enhanced engine life.