Search Results We have found 1 items matching your search query. Close Porsche 911 993 G50 20 Six Speed Manual Transmission Conversion Kit Posted 02 years 07 months 9 days 12 hours 48 minutes ago. Engines 1,112 Up for sale is a G50/20 Six Speed Transmission from a 1998 Cabriolet with 89000 Miles. Porsche 911 993 G50 20 Six Speed Manual Transmission Conversion Kit. Contact us at phontipoutboard.engines@gmail Unknown 1 Page 1 of 1