Premium formula designed for Holley and high-end carburetor systems. Removes gum, dirt and buildup from passages and mechanical actions while remaining safe on sensors and electronics.; Carburetors - we pioneered them who better to clean them? The leader in automotive fueling 1903, Holley was founded on the desire to push the performance envelope of fuel system design. We quickly became a leader in aftermarket carburetors and have remained on the leading edge of fuel delivery from the classic muscle era to modern day performance machines. Over time, carburetor internals and choke valves can accumulate gum, varnish and dirt, reducing drivability and fuel efficiency.
