I thought the shaft on a big-block is integral to the distributor cam gear? I thought you only went with the hardened (bronze gear?) if you had a roller cam? Or am I off?

1970 Charger - V10, 6spd, Alterkation, Street Lynx 4 Link, Moser Dana 60, Wilwood 14" disks, Forgeline 18" Wheels (Rear:335's), ISIS Multiplexing Wiring http://www.v10mopar.com 2012 Charger SRT8