The FTI Performance 9.5-inch Street Racer billet triple-disc lock-up torque converter for 4L80E/4L85E LT applications is tuned to a 3800 rpm hard-hit stall for stronger initial engagement. It combines a CNC-machined billet front cover and billet lock-up piston with custom stator designs and multiple pump blade angles. Furnace-brazed and heli-welded fins plus severe-duty sprague components increase resilience under demanding use.
FTI 9.5in 4L80E/4L85E Billet Triple Disc Lock-Up Street Racer Series - LT - 3800 Hard Hit Stall