[av8bpilot]

Originally Posted by BillC

I just replaced the lower control arms on the boxster with split GT3-style arms from TRW, and they are exactly the same as the Porsche parts, except someone took a die grinder and ground off the "996" part of the cast-in part number.

What he said. TRW is the OEM for the LCAs. And fun fact, you can find them (without end links) at the best price I've seen on Summit of all places:

https://www.summitracing.com/parts/trw-jtc1444
https://www.summitracing.com/parts/trw-jtc1443

Zoom in and you can see the 996 PN stamping. Buy your end links of choice a la carte and save some $.