Silkolene Pro 4 is designed with races tuned engines in mind, with high output engine transmission units.MC-Syn Technology protects the engine and transmissionAdvanced additive chemistry from start to full powerExcellent engine cleanliness and minimum wear of moving partsBalanced blend of inhibitors and anti-wear agentsCorrect operation of oil immersed clutches and other drive line componentsSilkolene Pro 4 has long lasting performance and stay-in-grade properties, even under race conditions. It is a fully synthetic, ester based 4-stoke engine oil, race tested to provide anti-friction and anti-wear under all temperatures that come from race conditions.The Super 4 provides vital protection to pistons and bores, cam lobes and bearings thanks to cutting edge surface chemistry even during cold start periods before full lubrication flow.Recommended Applications - Race Tuned EnginesSpecification - API SL JASO MA2 approvedAvailable Viscosities - 10W40, 10W50, 10W60, 15W50 and 5W50Available Si