Loctite 1330906 243 Medium Strength Surface Insensitive Threadlocker, 36-milliliter Tube An oil tolerant, removable, medium strength, blue threadlocker Designed for the locking and sealing of threaded fasteners between 1/4" and 3/4" Not only works on active metals but also on passive substrates such as stainless steel and plated surfaces Tolerates minor surface contaminations from various oils, such as cutting, lubrication, anti-corrosion and protection fluids Typical applications include Rocker studs, rocker adjustment bolts, bolts on valve and cam covers, oil pans, disc brake calipers, intakes and alternators, and pulley assemblies