Quickly dissolves gum and varnish from carburetor, PCV valve, automatic choke, carburetor linkage and distributor shaft with High Energy Solvent Technology (H.E.S.T.) for maximum performance and fuel economy. Improves drivability by removing deposits that cause rough idle, stalling and loss of acceleration. Catalytic converter and oxygen sensor safe. Dissolves deposits fasts. Cleans PCV valves, heat risers & linkage. The leading performer since 1958. Dries completely, no residue.
