Wide Compatibility: Fits Ford 4.5L LCF, 6.0L/6.4L/6.7L/7.3L Powerstroke; Caterpillar (CAT) 3126, C7, C9; Navistar T444E, DT466, VT365, VT275; MaxxForce 5/7/DT/9/10/N9/N10; Chevy 6.6L; Dodge Cummins 5.9L/6.7L; 4.5L/6.8L/8.1L/9.0L HPCR; Isuzu 4HK1, 6HK1 HPCR, meeting diverse vehicle needs. Effective Cleaning: Removes carbon deposits, rust, and dirt from injector seats, bores, and cups without causing damage, ensuring safe engine maintenance. High Quality: Rigorously factory-tested with strict quality control, delivering A+ performance and reliable durability. Enhanced Engine Performance: Deep cleaning optimizes engine efficiency, extends injector and engine life, and boosts overall power output. Package included : 1pcs Spiral Tube Brush ,1pcs Flat Bottom Brush