Curb Hoppers0My CartB&M Automotive (by Holley)CONVERTER LOCKUP CONTROL WORKS for GM AUTOMATIC TRANSMISSIONS USING A LOCKUP STYLE TORQUE CONVERTER AND AN ELECTRICAL SPEEDOMETER. GM TH-700 200 200-4R 350 AND 4L60Listing ID: 925992UPC: 019695702489Manufacturer Part Number: 70248In Stock, 3 AvailableWill Ship Within 3 Days$348.11Brand NewCopyright (C) 2019-2023 Initial Holdings LLC dba Curb Hoppers. All Rights Reserved.