The FTI Street Racer 9.5-inch triple-disc billet lock-up torque converter for 6L80E/6L90E transmissions is calibrated to a 4000 rpm hard-hit stall for very aggressive starts. Its triple-disc lock-up arrangement enhances torque transfer during lock-up. The unit combines a billet cover with furnace-brazed and TIG-welded assembly methods plus triple Torrington bearings to help withstand repeated high-stress use.
FTI 9.5in 6L80E/6L90E Billet Triple Disc Lock-Up Street Racer Series - 4000 Hard Hit Stall