STP - Engine Flush - 450ml

STP Engine Flush is designed to help neutralize harmful engine acids, while it works to loosen and remove sludge, varnish and gum deposits. It also improves lubrication life and protection of new oil. STP Engine Flush is designed for petrol and diesel engines.

How it helps:

• Loosens and removes harmful sludge and deposits

• Thoroughly cleans engine of problematic acids

• Frees sticking internal engine components

• Ensures new oil remains un?contaminated

• Removes dirt and contaminants normal draining leaves behind

Note: Compatible with single and multi?grade mineral or synthetic motor oils. Suitable for petrol and diesel engines.

Usage Directions: Do not drive vehicle when using STP Engine Flush. Ensure oil in crankcase is up to normal level. Allow the car’s engine to run until it reaches normal operating temperature. Turn engine off. Add entire bottle of STP Engine Flush (treats from 3 to 6 litres of oil). Start engine and run at fast idle for 15 minutes. Turn engine off and carefully drain oil while still hot. Replace oil filter. Pour in a good quality oil, and for extra protection add a bottle of STP Oil Treatment.

Usage Frequency: Use with every oil change.