CARZ CARBURETOR AND INJECTION CLEANER is designed to work quickly, economically and conveniently while providing “instant” tune-up benefits. CARZ CARB CLEANER is guaranteed to dissolve gum, varnish, sludge and lead deposits to dramatically improve gas mileage. CARZ CARB CLEANER frees and loosens mechanisms bound by deposits on external parts and penetrates and lubricates internal carburetor pumps and valves to insure optimum performance.