GUNK TOUGHEST CLEANERS DEGREASERS GUNK products are the toughest cleaners and degreasers. For more than 60 years of American heritage, we've taken on the grease and grime of the garage to earn the trust of trade professionals, weekend wrenchers, and auto enthusiasts alike. Our formulas evolve as vehicles do, and our product portfolio grows as our customers' needs change. We are dedicated to developing performance-driven products and innovative solutions that help our customers take on the toughest cleaning challenges. GUNK THROTTLE BODY AIR INTAKE CLEANER PREVENT POWER-ROBBING GUMS AND VARNISH Formulated to clean, protect and lubricate throttle body and valve without harming catalytic converters or oxygen sensors.