Walnut Shell Blasting is a lightweight, angular media that will effectively remove topcoats while leaving undercoating intact. The Walnut blasting is recognized as one of the safest and most competent methods of removing carbon build up from the car's intake manifold and intake valves. Walnut blasting is when crushed up walnuts are blown into the car’s engine with an air compressor. The offered Walnut Shell Blasting is made for commercial and industrial uses as per the need. It is very effective.