50139 - Upper Deck Counterbore Tool Shims This tool is used to

This tool is used to assist during piston installation on 60 series 14

Headbolt Hole Brush made to be used on the Caterpillar (CAT) 3406

Here is a video of the preparation of your block and operation of our Monaco Tool #50139 Counterbore Tool

OEM Alternative to Detroit Diesel #J-45002

50139 - Upper Deck Counterbore Tool Shims This tool is used toYOU WILL NEED TO PURCHASE THE CUTTER PLATE!! THIS TOOL ALONE, DOES NOT INCLUDE THE PLATE: SEE YOUR OPTIONS BELOW FOR DIFFERENT ENGINES. Upper Deck Counterbore Shim Cutter for CAT 3306, 3406. Hand operated shim cutter. To cut the CAT 3408 & 3412, you will need the 50139 Adapter kit. ALL CUTTER BITS ARE NON WARRANTY ITEMS This tool, with the optional cutter plates, can cut different engines, see Monaco Tool Cutter Plates: 10225 Cutter Plate for CAT 3400