The sleeve has to come out of the crank to fit the large pilot on the 904/727/518 transmissions. Also, you would need to check the converter engagement depth if using the MP conversion flexplate (no ring gear) as it was with mine, there was almost 0 free play so I had to shim the transmission back (used a mid plate and cut off the extra) to allow for converter movement and not kill the thrust bearing or the front pump. The bushing is made out of some pretty hard stuff, took a while to get it out.