Review on Glarks Compatible 1994 2018 Powerstroke Caterpillar by Brock Chisholm

The picks and flat bottom brush seem good if a little rough on the surface but the spiral brush is just terrible. The end of the spiral brush needs to be twisted tightly to keep the bristles in place, but with this brush it simply cuts off and there is nothing holding the two spiral wires together, making the bristles fall out easily. That would be bad enough in itself, but remember that this kit is designed to clean the injector caps, perhaps while they are still in the engine and directly exposed to the open cylinder. When stainless steel bristles fall into the cylinders I can't even imagine what a mess they could make. This is a garbage product.