DESC: OEM specified as 242. All-purpose medium strength threadlocker. Ideal for all nut and bolt applications 1/4" (6mm) or larger. Eliminates need for stocking expensive lock nuts and lockwashers. Locks and seals while preventing parts loosening due to vibration. Protects threads from corrosion. Removable with hand tools for easy disassembly. Suggested Applications: Valve cover bolts water pump bolts oil pan bolts drive shaft bolts rocker arm adjustment nuts carburetor studs.