Overhaul kits usually include the following components: paper gaskets, rubber seals (also known as O-rings), pan gasket (cork or fiber), bimetallic seals, O-shaped seals ( bimetallic or teflon depending on the kit); Master kit includes all parts of the Overhaul Kit and Banner Kit + standard set of steel discs. Most of repair kits include discs manufactured by BorgWarner. Some repair kits include OEM discs produced by Raybestos, Dynax, Allomatic, ZF, or Honda.