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 06 months 23 days 14 hours 57 minutes ago. Engines 1,102 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