#5X. ” Power Raptor Lock-up ” Fits 700R4, 200-4R, non-LS1 4L60E transmissions. This is a 10 inch converter with a 12 inch lock-up carbon fiber clutch rated up to 550 horse power. Can be ordered in stall speeds of 2000 to 4000 RPM. We stock 2000, 2600, 2800, 3000 and 3200. Lower 60 foot times and improved quarter mile times, an average of 1/2 second reduction! This torque converter has a torque multiplication rate of 2.5. The Ultimate Top of the Line Lock-Up Converter.