a DOHC LSD will set him back approx 2K. there are plenty of SOHC LSD's available in the US - but DOHC ZC ones are harder to get and cost alot more!
Quaiffe or Kaaz quoted me within about US$1500+ for an LSD for my D16.
with a B18CR you're likely to get an LSD Gbox - and thats included in that 10K installation estimate.
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