IPI1008 Features: * Check the vehicle fuel pressure with the right hand gauge, and easily set cleaning pressure with the left hand gauge * Restores the original spray pattern more effectively, giving improved performance, fuel economy, and emission tests * Cleans carbon from intake valves, fuel passages, and cylinders with a professional carbon cleaning solution * Fuel Injection Cleaner Includes: * Includes check valve for added safety * Updated design in more user friendly Set includes steel braided teflon hose that resists solvents, 20 oz. capacity bottle, and redesigned gauge boots for added protection. Warranty: * 1 yr warranty on material and workmanship