Oil Pan Stud Kit, Aluminium Fabricated GM LS For installing a Moroso or other brand billet Aluminium or steel fabricated oil pans on a GM LS engine Designed to make pan installation easy and prolong gasket life Lock nuts feature attached washers with serrated faces to provide a positive grip on the pan rail Studs are made from heat-treated Grade 8 steel with a durable finish, nuts are zinc plated Kit contains, Quantity 13, 8mm x 1.25 x 45mm studs with matching nuts Quantity 2, 6mm x 1 x 50mm studs with matching nuts