FTI Performance SRL Series 9.5-inch billet triple-disc lock-up torque converter for 4L80E/4L85E transmissions (LT) is specified at 3200 rpm stall and built to handle above-average power. The SRL construction includes a CNC-machined billet front cover, billet lock-up piston, furnace-brazed and heli-welded fins and robust sprag components to ensure consistent lock-up performance under demanding conditions.
FTI 9.5in 4L80E/4L85E Billet Triple Disc Lock-Up Street Racer Series - LT - 3200 Stall