Cool name. No, really. Blue Thunder MD40 is Cool’s single grade, highly refined general-purpose motor oil formulated from a blend of quality lubricants. It provides excellent and durable lubrication with an API rating of SF/CC for automotive and diesel engines requiring a minimum amount of additive. It’s blended at a factory in the US, and delivered through Cool Automotive Distributors. It’s one of the fastest growing brands in all Jamaica.