Protec Oil System Rehab | Oil Lubrication Booster REHAB4&reg; Reduce or eliminate oil blow-by from the valve stem seals by making seals supple to stop a vehicle from continuously burning oil and smoking upon startup. Use with regular or synthetic oils to boost lubrication properties beyond API SHOR MIL 465152 lubricants standards. Reduce or eliminate oil blow-by from the piston rings by sealing scratches in the cylinder walls to stop a vehicle from continuously burning oil and smoking at startup. Reduce friction on all critical components which in turn reduces engine heat and extends the life of the motor. Step 2 of the Stop Burning Oil Kit (Step 1 is Protec Engine Flush)