No mate - if you look at the DESC410R spec it was designed to fit the 550 motors. You are given two spurs, a 48DP for if you want to fit a standard 540 motor and a Mod 1 for if you want to fit a 550. I imagine most will fit the 550's.
The Durango site shows the DESC10R only with a 550 motor
http://www.team-durango.com/race-cars/desc410r/