A fellow member was kind enough to send me a K1 spring kit so I could try and repair the 2-3 shift flare I've been dealing with. I could not get the parts locally or through the online sources I checked, so this was a real lifesaver.

Problem is, the plastic plunger in the kit (it looks like an engine valve) was broken during shipping. Is it possible to re-use the old one when performing this repair? Is the old part the same, or is this an upgrade? Would the assembly even come apart without shattering?

Thanks, once again, for any help.