Mineral-based gear oil specifically formulated for use in 4-, 5- and 6-speed high performance gear boxes. 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. Exceeds the requirements of API GL-5. Formulated specifically for Harley-Davidson transmissions or V-Twin models without wet-clutches Superior protection from wear, pitting and spalling Shear stable formula maintains viscosity and ensures smooth shifting Surface-active chemistry keeps surfaces free of corrosion, deposits and wear Exceeds API GL-5 specifications