Supertech Viton Valve Stem Seal Kit TFSI/TSI

  Supertech high performance valves are the choice of TSR for all our high performance engine builds. Made from the finest materials and to strict tolerances Supertech ensure optimum flow and...

  Supertech Performance upgraded valve spring kit and Titanium retainers. Ideal for use on high powered engines producing high revs and quick changes in engine speed. We use these kits in all...

  Supertech high performance valves are the choice of TSR for all our high performance engine builds. Made from the finest materials and to strict tolerances Supertech ensure optimum flow and...