Yes that would be the new style axle (uses a Bolt)
Backdraft Parts - Axle(New Type) - Rear Suspension - Suspension - Products
I'm not familiar with the Pin Drive hub that's integral to the Hub though.
Only with the stud and Pin that attaches to the Rotor Hat and hub like this
http://www.clubcobra.com/forums/atta...dapt-256-1.jpg
Jay with VintageMotorsports would for sure.
Hub looks like this on Mayhem
http://i235.photobucket.com/albums/e...pszxb8xrkp.jpg
http://i235.photobucket.com/albums/e...psnlphcsha.jpg