- Reduced price

Reference: shspeed
Reference: shslld
Additional inner spring set (set = 2 pieces)
These valve springs are inserted into the original and strengthen them.
These springs are suitable for engines which have been easily machined (e.g., RPM controllers removed).
Reference: 2250A
Reference: 18333-ZF6-GROß
Reference: 1589A
Reference: 1693A