Must not be used in vehicles by using a damp clutch/friction drives; the superior lubricating properties of STP® Oil Treatment for Gearboxes would scale back the friction and induce the clutch to slip. STP® Oil Treatment for Gearboxes is made to lubricate really hard to achieve areas including gearboxes, transmissions, https://simonuuspn.bloggazzo.com/32836963/gearbox-oil-treatment-no-further-a-mystery