Nates Interactive Auto on Twitter: "Royal purple max blast intake valve cleaner! Clean carbon buildup on a gdi engine! Watch full video click the link below. https://t.co/uYVOPm8Ovd #seafoam #royalpurple #fuelsystemcleaner #gdi https://t.co/4XrqljA1XP" /
CRC 05319-12PK Intake Valve Cleaner (12/11Oz)
MANNOL Intake Valve Cleaner
How To Use CRC GDI Intake Valve Cleaner » NAPA Know How Blog