120-3412-3 Caterpillar 3412 Unit Injector External Honing Tool Coarse
Introducing the 120-3412-1 Caterpillar 3412 External Honing Tool for removing scratches and correcting edges. This tool is designed to eliminate scratches from the surface inside the poppet valve hole in the Caterpillar 3412 HEUI Injector body.