Hi, do you know where i can buy a new 1933 Studebaker Rockne Crank Shaft Pulley ( vibration damper 6 cyl.) link to shops?And another question: in front of engine theres a pressure valve to lubricate registerchain, is it a ball or piston in that valve? Engine being overhault but that part is missing...Please e-mail to me at : o-k-w@online.noThanks in advanceOle K Waage