STP Professional Engine Flush 450ml.
Field of application: suitable for both petrol and diesel engines.
Compatible with single and multi-grade mineral or synthetic motor oils.
Loosens and removes harmful sludge and deposits.
Effectively cleans the engine of problematic acids.
Frees stuck internal engine parts.
Keeps new oil uncontaminated.
Removes dirt and contaminants left by standard draining.
Usage frequency: with every oil change