J-B Weld 24206 Perma-Lock Blue Medium-Strength Threadlocker 6 mL.

Features:

• Perma-Lock threadlocker seals the threads against leakage and prevents rust and corrosion
• Great for rocker arms, stud bolts, frame bolts, bushings, vibration sensitive items and more
• Made for 1/4 in. to 1 in. fasteners and temperature resistant to 300F
• OEM approved threadlocker
• No spill, drip or clog cap