Warn valve guids will lead to oil in your combustion chambers. Ever see blue smoke when you start you VW up in the morning? You likely have warn valve guides. It will also lead to leaking vavles which robs your engine of power and efficency. Don't let just anyone replace your warn guides. If not done right, you could be causing more harm to your heads.
The customer is responsible for shipping the heads both directions.
Your packing materials must be reusable or we will charge a packing fee.
Your heads must be clean, no oil, dirt or grime or we will charge a cleaning fee.