NAPREC Reinforced Valve Spring kit for Porsche 930/964

Car Maker: Porsche
Car Model: 930/964

Newly designed valve springs!
Reinforced valve springs compatible with valve lifts up to 12mm. This reinforced spring kit provides a set load of 55kg-f, approximately 120kg-f at 11.7mm lift. Includes a dedicated chromoly retainer and dedicated spring lower seat. (Please insert two 0.5mm thick OEM lower seat shims under the dedicated spring lower seat.)

For more details, please go through the below link
NAPREC Reinforced Valve Spring kit for Porsche 930/964