I just bought a BHJ HB and UD pullies from SCP. I have been reading all this info about removing the old pins from the stock HB and putting them on the new BHJ. I was told it is all zero balanced so I don't need to worry about that. But now I am reading that those pins are there for other reasons. Basically, after reading all that info there are some that say use the pins and some that say don't. My question, do I use them or what? Also, I got a new bolt from Ford, can I re-use my washer or do I have to get a new one? Please clear this up for me. I don't want to put all this stuff on and have it fail on me again.