STP 450ml Smoke Treatment


Available in Multiples of 6 units

  • 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
  • Reduces exhaust smoke and engine noise, lowers oil consumption and protects against engine wear
  • May also be used in diesel engines, if it has been determined that the oil is burning the cause of excessive exhaust smoke