Permatex 81668 Stripped Thread Repair Kit Makes reliable thread repairs to most metal-to-metal fasteners (coarse and fine) Restores worn, stripped or damaged threads Eliminates future corrosion, galling, seizing and rust Effective up to 128 ft. lbs. of torque and between -65F to 300F Suggested Applications: Intake manifold bracket fastener threads, timing chain cover bolt threads, valve cover bolt threads, water pump bolt threads