Must not be Employed in automobiles which has a damp clutch/friction drives; the superior lubricating Attributes of STP® Oil Treatment for Gearboxes would cut back the friction and trigger the clutch to slip. STP® Oil Treatment for Gearboxes is made to lubricate really hard to reach parts such as gearboxes, https://arthurvvsqn.webbuzzfeed.com/34227789/a-secret-weapon-for-gearbox-oil-treatment