Extremely rare to find on the open market, the Hewland LLS is the flagship GT gearbox in the Hewland range. It has proven a popular  gearbox in numerous high end GT applications since its introduction and forms the basis of the MLS transmission used in the Ferrari 458 GT3 (can be converted to MLS spec on request, subject to additional cost). It also shares many internals with the HLS transmission used in the AMG GT3.   Asking $10,000