STP Smoke Treatment – 450ml, Exhaust Smoke And Oil Consumption Reduction, Petrol, 1 pcs

STP Smoke Treatment is designed for petrol engines to provide a thick oil cushion to help fill gaps, created between the cylinder walls, piston rings valve guide seats on worn engines and reduce oil blow-by and smoking. STP Smoke Treatment reduces exhaust smoke and engine noise, lowers oil consumption and protects against engine wear. STP Smoke Treatment may also be used in diesel engines, if it has been determined that the oil is burning the cause of excessive exhaust smoke.