... Injection Nozzle 6 Times Feature: This product is designed for fuel injection diesel, it can automatically rinse the oil supply system ... spray effect, improve engine power, reduce oil wear and maintenance cost, eliminate engine vibration,unstable idle speed,the difficulty of cold ... prolong the service life of injection nozzle 6 times. Application:Fuel nozzlesItem NO.: EC-111Packing:443ml/pc 24pcs/ctn