Is your manual transmission carrying heavy loads or dealing with more abuse than it should? Then it's probably time to give it something that can actually keep up. This manual transmission fluid is the performance upgrade that turns your manual trans into a smooth, confident, cool-running setup that's ready for whatever you throw at it. This heavily additized ATF is engineered specifically for manual transmissions in heavy-duty, racing, and high-horsepower environments. With smoother shifting, reduced wear, lower temps, and up to 3× the fluid life of standard ATF, SHIFT+ is the smart, no-brainer choice when you want protection that works as hard as you do!