The Penrite Pro Series Additive range is made for serious motoring enthusiasts, with a range of products designed to get your vehicle performing at its absolute best. This Petrol Engine Boost+ is designed to work with almost every modern or classic petrol engine, helping to supplement the existing anti-wear properties of your engine oil by up to 3%. This friction reducing formulation is made to blend into your existing oil, lifting the zinc levels without increasing levels of unwanted components such as sulphated ash or phosphorus making it perfect for the low SAPS blends commonly used in European vehicles. This Penrite oil additive delivers improved economy on your daily drive, and helps in severe competition and performance settings by amplifying engine power at oil operating temperature. A great addition for serious drivers and daily commuters alike.