Transmission Oil - 80W-140 - 1 U.S. quartCaracteristicas: Recommended for use in 4 , 5 and 6 speed Harley Davidson Big Twin transmissions Full synthetic fluid specifically formulated for high performance gear boxes Exceptional extreme pressure additive package provides excellent wear protection and durability The viscosity of this product protects components across a wide range of temperatures and protects gears even at high temperatures This oil provides smooth shifting operation across all