P2R 3 soft stone honing tool for cylinder Ø51 to 178mm

Here is the P2R 3 soft stone lapper for Ø51 to 178mm cylinder. This tool will be used to break in the cylinder and catch up on small defects due to preparation, manufacturing when the cylinder is new, or a small primer ...

This lapping machine has 3 stones is simply used at the end of a screwdriver, it is adjustable in hardness and width.

For use, attach it to the end of a screwdriver, oil the cylinder and the stones, then gently rotate the stones previously stretched in the cylinder going back and forth.

This lapping rod can be used on both cast iron and nykasil or chrome treated aluminum cylinders. This tool is also ideal when changing a piston side to recreate some micro scratches that will hold the cylinder lubrication. We will regret one thing, no spare stone is supplied with the lapper, on the other hand it is a high quality tool for all those who wish to preserve their cylinders.