Signal Tech Gear 50 Oil is a superior quality extended life, full synthetic manual transmission lubricant designed to meet the most demanding on and off road applications, while meeting all stringent extended warranty requirements. Signal Tech Gear 50 is formulated with exceptionally high viscosity indexed fluids allowing for an excellent viscosity range over all types of climates. Signal Tech Gear 50 Oil is formulated with the latest synthesized base stocks and the most advanced additive componentry to provide excellent thermal and oxidative stability, tenacious shear stability while providing for extended drain intervals and maintaining critical seal protection.