Diesel Engine Oil Treatment 300ml STP

Diesel Oil Additive 300ml STP
This product is ideal for fortifying engine oil with an additional measure of additives that include a viscosity improver, plus anti wear, anti-friction and anti oxidation agents.
It provides additional protection against engine heat and maintains the oil's lubricating properties for longer so the engine will run optimally until the next oil change.
INSTRUCTIONS: add the whole bottle to the oil when the engine is tempered (but it should not be too full). Fits 6 litres of diesel oil (5% proportion). Suitable for diesel engines only and is not recommended for use in petrol engines.