This is a Valve Spring Kit (62.200.002) from the manufacturer dbilas, suitable for all Polo 86c G40 engines and many more 111 cylinder heads.
We have been using these for years with positive results.
Ideal for use in combination with our titanium Valve Spring Retainers and Hydraulic Tappets to ensure smooth valve operation, even at high engine speeds.
Spring installation length: 34.0 mm
Max. valve stroke: 13.0 mm
Valve spring force: 115 Kp