WIT WHATEVER IT TAKES TRANSMISSION PARTS, INC Superior 6L80 6L90 8L90 Sure Cool System Upgrade STL010 with Bypass Gasket

Built in safety bypass Immediate cooler fill., Immediate accurate fluid level check without warm-up cycle, Reduced average operating temperatures by as much as 20%, Reduced risk of overheat while under load, Increased ATF life., Includes Bypass Gasket