FTI's 9.5-inch billet lock-up Street Racer torque converter for 700R4 and early 4L60 transmissions (30-spline) is tuned with a 3200 stall speed to balance launch and lockup. CNC-machined billet cover, furnace-brazed and TIG-welded construction plus triple Torrington bearings and a triple-disc lockup support consistent engagement and longevity in modified drivetrains.
FTI 9.5in 700R4/Early 4L60 Billet Lock-Up Street Racer Series - LT - 30 Spline - 3200 Stall