Lucas Oil Power Steering Stop Leak eliminates hard spots and stops seal leaks. This formula is a blend of special oils and petroleum-extracted additives. It contains no solvents and has no harmful long-term effects. As a matter of fact, Lucas Oil Power Steering Stop Leak is an excellent preventative maintenance product for new units. Lucas Oil Power Steering Stop Leak, 350ml:Renews worn rack and pinionsTotally controls slack, squeals and tight steeringGuaranteed to stop all seal leaksCompatible with all power steering fluidsModel# 10008Made in the USA