STP Engine Stop Leak for Petrol & Diesel Engines 300 ml, Improved Concentrated Formula, Conditions your and Prevents Minor Oil Leaks, Mechanical Car Cleaning Products, Made in the UK

What You'll Get- 300 ml Engine Stop Leak for Petrol & Diesel Helps prevent minor oil leaks Compatible with regular and synthetic motor oils Conditions engine seals without clogging filters or inhibiting flow Will not harm oxygen sensors or catalytic converters