The stock steel 48 spur WILL work with the RCM Mount.
Direct drop in. NO MODDING or GRINDING. I dont know why the dwite guy said it wouldnt. I am running it right now...
Maxx - FLM, MMM, CD Med.36x706s
Raja - FLM Ext. MM, 1512, 4s
SC8ight - MMM, 1520, 6s
D8T - MMM 1717 6s