Using walnut blasting treatment to address carbon buildup

Walnut blasting is a cleaning process used to remove carbon buildup from an engine’s intake valves and intake ports — especially in direct-injection engines. It uses finely crushed walnut shells (a natural, biodegradable abrasive) blasted at high pressure to clean away carbon deposits without damaging metal components. | Ron's Auto Repair of Mankato

Walnut Blasting: What Is It And Why Do We Need It? | Moto BMW

Walnut Shell Blasting Intake Valves: Faster and Cheaper

Walnut Shell Blasting

[Hot Item] Blasting Media Crushed Walnut Shell Granules for Wood Blasting