Quick view Valvoline 1165.5 Valvoline SynPower Synthetic Oil 10W-50 5.0L For High Performance & Alcohol Engs Compare MSRP: $135.00 Valvoline SynPower Synthetic Oil 10W-50 5.0L API SM/CFFor high performance modern turbo charged petrol and diesel engines.SynPower 5W-30 is a low viscosity full synthetic engine oil formulated with a combination of synthetic and premium quality base... Add to Cart Add to Cart Add to Wish List Add to My Wish List Create New Wish List