STP Engine Stop Leak (300ml)

STP Engine Stop Leak is formulated with a special agent to renew polymer seals and gaskets damaged by the heat of normal engine operation, which can otherwise result in oil leaks and expensive mechanical work.

This specialised engine oil stop leak formula will also increase the protection offered by the existing engine oil.

How it helps:

• Helps repair engine heat damage.
• Eliminates the need for oil leak mechanical work.
• Increases existing engine oil protection.
• Suitable for regular/synthetic motor oils
• Contains no solids to clog filters or inhibit flow.
• Will not harm oxygen sensors or catalytic convertors.

How to Use

Simply add entire contents to 3-5 litres of engine oil (10% treat rate), and leave the engine to run for 15 minutes. At the normal oil change interval drain as usual.

Usage Frequency: Use as required.