Loctite Threadlocker 243 is a
general purpose, medium strength, blue
threadlocker with improved oil tolerance.
For fasteners between 1⁄4" to 3⁄4" (6 mm
to 19 mm). Parts can be separated using hand tools.
Typical Applications: Rocker studs, rocker
adjustment bolts, bolts on valve and cam covers, oil
pans, disc brake calipers, intakes and alternators,
and pulley assemblies.