http://www.arp-bolts.com/Catalog/Catalog.html Page 72 206-4207 for the nuts They don't list the studs. I'd contact Ted Schumacher for the ARP parts, I'm sure he can supply them! tedtsimx at bright.net Clark Clark W. Nicholls '72 Stag '74 Spitfire "Reality... It's not what you think."