RCD make one that drives off the front of the cam, can be bought at good viberation, also can mount injection pump on it.
I run a Summer Bros. on my 1471 super charged sm/blk, but you'll have to call them to see if they are still making them, they did sm/blk and big blk front distributor drives.
http://www.summersbrothersracing.com/
Zip.