Need to not be used in motor vehicles that has a moist clutch/friction drives; the superior lubricating Houses of STP® Oil Treatment for Gearboxes would cut back the friction and cause the clutch to slide. STP® Oil Treatment for Gearboxes is created to lubricate hard to achieve locations like gearboxes, https://gearbox-oil-treatment61581.thechapblog.com/32892208/fascination-about-gearbox-oil-treatment