Wynns Engine Stop Leak 325ml Wynns Engine Stop Leak is a special blend of chemicals formulated to stop engine oil leaks and drips that can result from the drying out and shrinking of engine neoprene, rubber seals, and O-rings. Main Features:

• Prevents and stops engine oil leaks without demounting.
• Restores the elasticity of rubber and neoprene oil seal rings and O-rings.
• Lubricates and maintains engine seals in good condition.
• Will have no effect on the viscosity or performance of engine oil.
• Is compatible with all mineral and synthetic, single- and multigrade oils.
• Does not harm catalytic converters.
• 325ml can