Permatex Threadlockers

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Permatex Threadlocker Eliminates need for stocking expensive lock nuts and lock washers. Locks and seals while preventing parts loosening due to vibration. Protects threads from corrosion.

242 Blue Threadlocker: OEM specified. All-purpose, medium strength threadlocker. Ideal for all nut and bolt applications 1/4'' to 1'' (6mm to 25mm). Eliminates need for stocking expensive lock nuts and lock washers. Locks and seals while preventing parts loosening due to vibration. Protects threads from corrosion. Removable with hand tools for easy disassembly.
Suggested 242 Blue Applications: Valve cover bolts, water pump bolts, oil pan bolts, drive shaft bolts, rocker arm adjustment nuts, carburetor studs.

271 Red Threadlocker: OEM Specified. High strength threadlocker for heavy-duty applications. Especially well-suited for permanently locking studs and press fits. Adds 3,000 psi holding power on slip and press fit assemblies. Replaces set screws and snap rings. Locks against vibration loosening Requires extra effort or special tools for removal.
Suggested 271 Red Applications: Cylinder block and rocker arm studs, ring gear bolts, frame bolts, shock absorber bolts.

Green Penetrating Grade Threadlocker: OEM specified. A low viscosity threadlocking liquid that wicks along the threads of preassembled fasteners to secure them in place. Since it is applied after assembly, preventive maintenance procedures are simplified. Ideal for fasteners ranging from #2 to 1/2'' (2.2 to 12mm) in size. Localized heating and hand tools are needed for disassembly.
Suggested Applications:
Bolts on alternators, air conditioning belts and distributor clamps, carburetor adjustment screws, hairline cracks