2 oz Bottle of Dr. Tranny Lubegard Automatic Transmission Instant Shudder Fix A concentrated friction modifier formulated specifically for INSTANTLY eliminating torque converter lock-up shudder, Provides 4x's less wear than regular ATF, The original shudder fix, For long term benefit, use LUBEGARD ATF Protectant P/N 60902 (M465L) For use in ANY automatic transmission fluid. Not for use in Ford Type F or CVT applications. Packaged in a uniquely engineered two ounce application tube Dr. Tranny® Instant Shudder Fixx™ is compatible with conventional or synthetic automatic transmission fluids. This formulation of friction modifiers made of synthetics and synthetic esters is concentrated five times!