Vehicle Fitment - Compatible with 2001-2005 Chevy GMC Duramax 6.6L LB7 LLY and 2003-2007 Dodge Cummins 5.9L diesel models, also fits other common rail fuel system with a 14mm fuel line nut.
Craftsmanship - Constructed of high-quality carbon steel, surface antirust.
Function - This common rail injector block-off tool can helps in identification of faulty diesel injectors and also used to identify engine knock sounds.
Spec - M14 x1.5 /14mm internal thread size nuts.
24 Months Quality Guarantee - We extremely value your satisfaction and strive to provide you good shopping experience. Any further question, please feel free to contact us!