Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The Supertech 5.5mm Viton valve stem seal is offered as a single replacement and matches the 5.5mm stem dimension listed. The description identifies the seal material as Viton and supplies the single‑piece option for targeted repairs where one valve stem seal must be replaced rather than a full set.
Supertech 5.5mm Viton Valve Stem Seal - Single (Drop Ship Only)
