Description
Vibration and thermal cycling are your engine’s worst enemies—they loosen fasteners and compromise critical connections. Loctite 243 Blue Threadlocker provides medium-strength, removable locking that prevents fastener rotation while allowing future disassembly without heat or special tools. Whether you’re securing valve covers, intake manifolds, or suspension components, this is the standard trusted by professional shops and serious builders.
This 6ml tube delivers reliable threadlock performance for hundreds of critical fasteners across your build, making it an essential addition to any racer’s or mechanic’s workbench.
- Medium-strength threadlock
- Removable without heating
- 6ml/.20oz tube
- Blue 243 formula
- Prevents vibration loosening
- Works on metal fasteners
- Cures in 24 hours
- Temperature rated to 150°F service
- Single tube quantity
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