DB01 Center One-Way Question??

[rcaddict]

Hi!

I need to know whether or not if I have to purchase the 54018 DB01 Slipper Clutch Set, in order to be able to install the 54051 center one-way into my TRF511, or is it a direct bolt on part with no additional parts to purchase?

Also, I have a DB01R that I want to install a center one-way on as well. Do I have to buy the 54018 slipper clutch set for the DB01R also, or is 54018 slipper clutch set already included as standard equipment on both kits??

Thanks!