This includes one stock 6.7L 2007.5-2012 Reman injector and one Bosch connecting tube. The Industrial Injection Stock Reman Injectors are a perfect replacement injector for someone looking for increased reliability. We balance the injectors to a tighter tolerance than the original manufacturer and have put a lot of time into making these the best injectors money can buy. All the injectors we build in house are built with BRAND NEW Factory OEM parts including the nozzles. FEATURES: - Built With Brand New Factory OEM Parts - Factory Replacement - 2 year Unlimited Mileage Warranty These injectors come with a new copper crush washer and o-rings for installation. Injectors are an OEM Genuine part that is a direct replacement injector. Each injector is Individually tested on a state of the art Factory OEM test stand to ensure that they meet OEM specifications. Each test includes a resistance test, system leak test, purge, idle speed test, mid load test, full load test, and static back leak test. Each test cycle checks solenoid response time, back leak flow, and fuel delivery.