Seafoam, 16 OZ, Transtune, Safely Cleans Components, Doesn't Harm Or Swell Seal & Alter The Viscosity Of The Transmission Fluid, Reduces Rough Or Erratic Shifting, Removes Damaging Moisture, For Automatic Transmissions, Power Steering Systems & Industrial Or Agricultural Hydraulic Systems, 100% Petroleum, 3 Specific Oils Blended In, Reduces Rough Or Erratic Shifting By Dissolving Varnish That Contaminates Transmission Valve Bodies, Bands, Governors, Pumps & Passages.