STP Engine Flush is a specially designed formula that helps neutralise engine acids as well as removing sludge, varnish and gum deposits that normal draining leaves behind. Simply add contents to engine oil and run the engine. Drain while still hot and replace filter and engine oil.

Technical information:

STP Engine Flush is specially formulated to rapidly dissolve harmful engine deposits and maintain efficient oil circulation throughout the entire engine, helping to protect vital engine wear surfaces throughout the flush. Even the finest of engine oil will leave acid deposits and other sludge. This causes your engine oil to be ineffective.

• Used for both petrol and diesel engines
• Removes harmful sludge and deposits
• Helps maintain your engines performance
• Free sticking internal engine components
• Improves lubrication life and protection of the new oil

450ml bottle treats 3 - 6L of engine oil