Custom valve spring upgrade set
From: 206,45 €
Set of 24pcs or 12pcs – 30% stiffer valve springs, necessary if you’re going to put out proper horsepower.
- Fits om611, om612, om613, om646, om647, om648, om604, om605, om606.
- Run as much boost as you want
World wide shipping!
- EU zone 1–3 working days
- Elsewhere in the world 2–8 working days