V-Twin Trans/Gear Oil is a mineral-based gear oil specifically formulated for use in 4-, 5- and 6-speed high-performance gearboxes. Robust, shear-stable formulation is designed for Harley-Davidson transmissions or V-Twin models without wet clutches. Proprietary shape combines the finest mineral base stocks with industry-leading extreme pressure and anti-wear additives to ensure ultimate hardware protection and smooth shifting.