Home›Fuel & Oil Additives GuideFuel & Oil Additives GuideFind out which STP® Fuel or Oil Additive is best for your performance, maintenance or repair needs.STP® SolutionsPerformance & Maintenance System Cleaners Oil AdditivesOctane BoosterRestores lost power and accelerationHelps save gas*Helps restore performanceReduces knock and pingUSAGE FREQUENCY: Use regularly when you fill up your tankGas TreatmentImproves quality of gasolineHelps save gasRemoves DepositsPrevents Fuel Line FreezeUSAGE FREQUENCY: Use regularly when you fill up your tankUltra 5-in-1 Fuel System CleanerDeep cleans the entire fuel system and fights engine frictionHelps save gasHelps restore performanceRemoves depositsInhibits corrosionReduces frictionUSAGE FREQUENCY: Use every oil change or 4,000 milesComplete Fuel System CleanerDeep cleans the entire fuel systemHelps save gasHelps restore performanceRemoves depositsInhibits corrosionUSAGE FREQUENCY: Use every oil change or 4,000 milesSuper Concentrated Fuel Injector CleanerUnclogs dirty fuel injectors to restore performanceHelps save gasHelps restore performanceRemoves depositsUSAGE FREQUENCY: Use every oil change or 4,000 milesCeramic Oil TreatmentAnti-Friction Technology™ provides advanced level of protectionImproves oil performanceLubricates moving engine partsProtects for up to 16,000 kmAnti-Friction TechnologyFEATURE: Durable ceramic coating remains even after oil is changedHigh Mileage Oil TreatmentExtra protection for vehicles over 75,000 milesImproves oil performanceLubricates moving engine partsHelps stop leaks, noise & smokingFEATURE: Contains zinc anti-wear agent ZDDPSynthetic Oil TreatmentExtra protection for extended oil drain intervalsImproves oil performanceLubricates moving engine partsProtection for extended drain intervalsFEATURE: Formulated for low viscosity oilsOil TreatmentFights friction to help protect against engine wearImproves oil performanceLubricates moving engine partsFEATURE: Contains zinc anti-wear agent ZDDP