Displacement of RD alpha 12"?

Paul Silver Member Username: Stamant LA, FL USA Post Number: 460 Registered: Sep-04	Posted on Tuesday, March 10, 2009 - 02:40 GMT Anyone know the displacement?
Thieves Gold Member Username: Jtown Texas Post Number: 3678 Registered: Mar-07	Posted on Tuesday, March 10, 2009 - 06:51 GMT version 1 or 2? if their site STILL doesn't have recommendations, contact the owner, Steve Miller