Good used "Super Long" 5th gear stack with 26/38 (0.68) ratio for Porsche 944/951 transaxles.
This gear set is great for high horse power/torque engine conversions such as the LS engine platform. With this gear set the cruising engine speed is dropped by approximately 500 RPM compared to the engine speed with factory 951 5th gear.
Factory 951 Transaxle has 29/35 (0.829) 5th gear ratio.
Factory 944 Transaxle has 27/37 (0.729) 5th gear ratio.