Cast in A356T6 aluminum, the Mag-Hytec differential covers feature increased lubricant and cooling capacity, and are equipped with a magnetic drain plug, 1/8 NPT temperature sender fitting, lube reference plug, and a magnetic dipstick for checking fluid level and condition. Dipstick, drain, and reference plugs are MS 33649 and fitted with AS 568 O-rings, as is the cover gasket, which requires no sealant or gasket. All hardware is stainless steel, and the cover is texture/powder coated in black with contrasting machined cooling fins.