BG Platinum 44K is 11 ounces of high-quality detergents that you pour right into the gas tank to restore performance and gas mileage. It vanquishes deposits in combustion chambers, intake manifolds, ports and on valves and restores flow in fuel injectors. Basically, it cleans the entire fuel system! Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.