QA1 Upper Control Arms

Interesting. I want to stay with my small BJ knuckles so I can keep my KH four psiton dics, don't have the $$ for wilwood stuff yet!

I had UB Machine make me 2 pair, 1 for K/H disc and 1 for 10"drums
and 1 pair of large joint for the 72/disc

http://ubmachine.com/

They mostly build suspension parts for round track/ stock cars

Greg has the fixtures for both size joints