Brand new Huf 433 mhz TPMS sensor set for Porsche vehicles. Set of (4) Huf TPMS sensors with silver metal valve stems. Genuine Huf TPMS sensors! Fitment for the following vehicles. Porsche 911 Carrera non-turbo; 2005 – 2008. Porsche 911 Turbo; 2005 – 2009. Porsche 911 Turbo S; 2005 – 2009. Porsche 911 GT3; 2005 – 2008 Porsche Boxster; 2005 – 2008 Porsche Boxster S; 2005 – 2008 Porsche Cayman; 2005 – 2008 Porsche Cayman S; 2005 – 2008.