12 automotive assemblies and components, namely manual transmissions, transfer cases, automatic locking hubs, gears, synchronizer blocker rings, sprockets and planet carrier assemblies made of powdered metal, brake bands, friction plates, one-way clutches, transmission band assemblies, dampers, lockup clutches and plates, torque converters, emission controls, namely exhaust gas recirculation valves and postive crankcase ventilation valves, drive chain, timing chain, roller chain, sprockets, chain tensioners, and all-wheel-drive systems; for use in land vehicles