Get your engine running smoothly again with the Injector Cup and Tool set from Diesel Care and Performance! This set includes eight injector cups and a tool for easy installation, making it an essential upgrade for 2001 - 2004.5 LB7 6.6L Chevrolet GMC Duramax engines. The cups are made from durable materials and are designed to withstand the demanding conditions of a diesel engine. With this set, you can expect improved performance, reliability, and longevity from your engine. Plus, it comes with a one year, unlimited mileage warranty for added peace of mind. Don't let faulty injector cups hold you back - upgrade with Diesel Care and Performance today!