QUOTE(70PORSCHE9146 @ Dec 2 2011, 11:55 AM)
I believe all the 914-4 strt housings are BOGE type , you can insert kyb, boge , bilstein and koni shocks into these.
There were Bilstien but they are rare. Worth a lot more than $20 each.
The part nimber and manufacturer will be stamped on the upper tube.