Product review (5 stars): Perfect fit!
Part is perfect as oem.  The part was really hard to get on the drum so I ended putting a block of wood on each arm to hammer it down. No worries on warping it since it's pretty thick. Put a block of wood above where the bolts go in to hammer away. This way you will not damage the spider. Most of the people here advised using locktite to put on the bolts but I just used a long torque bar to really get the bolts snug. So far so good after about 10 loads.

Also, you should change all the seals while the thing is apart. This way you have a peave of mind the thing won't leak and you wouldn't have to take the thing apart again!