- Deep cleans the engine
- Dissolves engine deposits
- Removes accumulated sludge
- 15 Fluid Ounces
STP® Super Concentrated High Mileage Engine Flush is scientifically engineered to improve the oil drain for vehicles over 75K miles. The super concentrated cleaning agents actively clean deposits in the engine and help reduce sludge and varnish on cylinder heads.
How it helps:
- Perfect for high mileage vehicles
- Super concentrated cleaning agents
- Helps reduce sludge and varnish on cylinder heads
Add entire bottle (15 fl. Oz.) of STP Super Concentrated High Mileage Engine Flush to “old” engine oil. Engine should run for 5 to 15 minutes at idle to circulate flush. DO NOT DRIVE VEHICLE. Drain Crankcase and remove oil filter. Replace drain plug and install new oil filter. Refill crankcase with new motor oil.
Usage Frequency: Safe to use with every oil change when used as directed.