Nulon LTAWEP Pro-Strength Long Term Anti Wear Engine Protection provides the most superior anti-friction protection available. Just one simple treatment protects moving engine components from metal on metal wear by providing a residual coating of PTFE around the engine. PTFE has one of the lowest coefficient friction properties available and provides enhanced friction and wear protection over that of engine oil alone. Suitable for all types of petrol engines, ages and conditions. Comes in 500 ml.