I want to know if the 9 tower 30mm taper shaft clutch pn 0746-103 will fit on my 93 Thunder cat? I removed my clutch to rebuild it & the spider is cracked!!!! Or is it worth it to replace the spider & rebuild my old clutch or just buy the 9 tower? Is the 9 tower's on the clutch just help with side cover deflection or is there more to it than that? Will my weights & sping from my old 108c fit in the 9 tower (I already bought them)?