I did notice the other year that the "Genuine VW" one Heritage were selling didn't have any fins in them. I guess they where brazilian therefore no heat was needed. If you do go for theres then make sure you ask them first if they have the fins. Not sure what I have on mine, think they where Dansk ones from GSF but they seem to do the trick...kind of :crazy:
The proper genuine ones weigh a hell of alot more and they have thinner and more fins in them.
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