If you are performing cylinder head work these seals are a necessary replacement. They are located between the valve spring and the valve guide. When these seals are failing, you will notice smoke from the tailpipe at startup. Sold individually. 12 necessary per car. Please note: this is the latest supersession part # for 928 104 193 12 and 928 104 193 13. Please check the model fitment tab to ensure accurate fitment.

This item may need to be sourced from Germany and would take 2-4 weeks to arrive. Once ordered it cannot be canceled. Please call to check stock or request expedited shipping.