NEW! Synchromax Manual Transmission fluid is recommended for manual transmissions that specify an automatic transmission fluid or motor oil. It is also ideal for 4 x 4 transfer cases and 2-cycle gear boxes. Formulated with full synthetic base oils and Synerlec additive technology. Fully compatible with all types of friction material. Offers excellent corrosion and oxidation protection without affecting soft metals in transmissions. Price is equivalent to $8.38/quart. 5 Gallon Pail.