Originally Posted by minimusprime
...And also since these are 10x5x4 I can just re-use the same axels because the ID is the same right?
The 416 and IFS-R don't use the same Evo-IV axles as the 950 bearing cars. You may have to switch them for the newer ones.
The 416 uses a 1.5mm spacer between the two bearings, while the 950 bearing cars use a 1.9mm spacer. Now either the 1050 bearings are wider, or the new axle is shorter...