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The FTI Performance 9.5-inch Street Racer billet triple-disc lock-up torque converter for 4L80E/4L85E LS builds in a 4000 rpm hard-hit stall for aggressive launches with LS swaps. A CNC-machined billet front cover and billet lock-up piston pair with tailored stator designs and multiple blade-angle pumps. Robust assembly features furnace-brazed and heli-welded fins, severe-duty sprague and an anti-ballooning flanged impeller hub for long service life.
FTI 9.5in 4L80E/4L85E Billet Triple Disc Lock-Up Street Racer Series - LS - 4000 Hard Hit Stall
