Originally Posted by
Snoopy
i dont think it can. the c4 is equivalent to the usdm b18c1. and from looking around, quaife has two different part numbers for lsds for y21 and s80 trannies. assuming the s9b tranny you named is similar to the s80. :dunno:
Im not to sure tbh, however the s9b has the same ratios and FD as the Y21.