Permatex High Temperature Threadlocker Red: For Heavy Duty Applications Up To 450f (232c); Heat Or Special Tools Required For Disassembly; Fixture In Approximately 20 Minutes And Are Fully Cured Within 24 Hours; Uses: Crankshaft, Idler, Bearings & Camshaft Sprocket Bolts; Ideal For Fasteners 3/8" To 1 1/2" (10 To 38 Mm) In Size. Permatex, Made For The Professional. Made In U.S.A. Oem Specified. For Heavy Duty Applications Up To 450f/232c.