120-3412-2 Caterpillar 3412 Unit Injector Internal Honing Tool
Introducing the 120-3412-1 Caterpillar 3412 Internal Honing Tool for Finishing. This tool is designed to provide a smooth, super finish surface inside the poppet valve hole in the Caterpillar 3412 HEUI Injector body at the end, ensuring optimal performance and longevity of your injector.