Search Results We have found 1 items matching your search query. Close Cosworth 4×4 R&D 6 Speed Dogbox Posted 04 years 05 months 1 days 04 hours 17 minutes ago. Engines 927 Up For sale Cosworth 4×4 R&D 6 Speed Dogbox is perfect in everything and it has only done 84km as you can see on the photos as attached is perfect and ready to be install and set fo Unknown 1 Page 1 of 1