Features: Thick, cast iron for superior protection and durability Designed with transverse gussets that add strength and rigidity to the gear housing High and low check ports and a top-fill port for easy servicing Three Neodymium magnet equipped, hardened billet stainless steel service plugs Black powder coat finish Designed specifically for front and rear Dana 44 differentials Optimized approach and departure angles CNC machined flange channels promote a complete seal Hardware included Limited lifetime warranty This innovative cover is made from cast, high-strength nodular iron for maximum protection. Designed with transverse gussets that add strength and rigidity to the housing to handle the high torsion.