The FTI Economy Street Racer torque converter for TH350/TH400 transmissions is a 9.5-inch unit with a turbo spline output tuned to a 4000 rpm hard-hit stall for very aggressive launches. It offers an affordable way to achieve high-stall behavior in classic transmission platforms. As an Economy-series product, it provides consistent stall response and dependable lock-up without the premium billet features of SRL units.
FTI 9.5in TH350/TH400 Economy Street Racer Series - Turbo Spline - 4000 Hard Hit Stall