The Supertech titanium valve retainer for spring TC25D fits 6mm valve stems and is sold as a single unit (drop-ship only). Lightweight by specification and made to work with the listed spring and stem size, the retainer is intended for valvetrain rebuilds or upgrades where individual retainers are required to secure the spring assembly on compatible valves.
Supertech Titanium Retainer for Spring TC25D 6mm Valve Stem - Single (Drop Ship Only)