This adapter was created to cover intake port of FA20 DIT engine during walnut blasting. Holes for blasting nozzle are 7mm.
FA20 FA20DIT Intake Valve Carbon Cleaning Walnut Blasting Adapter Subie Toyota
253483 GRACO Replacement Part for Lower SEAT, Intake Valve, Relief Valve (BN36)
AUTOOL Engine Intake Valve Carbon Cleaner Walnut Sand Blaster Cleaning Machine
AUTOOL Walnut Blasting Blaster Machine Engine Intake Valve Carbon Deposit Clean
Walnut Blaster Automotive Engine Carbon Intake Valve Cleaning Machine Remover
Autool Hts558 Walnut Blaster Machine Engine Intake Valve Walnut Blasting Cleaner