STP High Mileage Petrol Injector Cleaner is specially formulated to clean clogged fuel injectors in older engines, restoring lost power and improving fuel efficiency. It effectively removes deposits that cause rough idling, hesitation, and poor acceleration.

Regular use helps reduce emissions, prevent injector buildup, and improve fuel combustion for a smoother and more responsive engine. This formula is designed for high-mileage vehicles, helping to extend engine life and maintain peak performance.

Safe for all petrol engines, including turbocharged and older models, this easy-to-use treatment works in just one application. Simply pour into your fuel tank to experience better engine performance and efficiency.