Superior 6L80 6L90 8L90 Sure Cool System Upgrade STL010

Superior offers our original and genuine Sure~Cool® SYSTEM Cooler~Flow™ bypass valve kit with TransLab’s patented and patent pending Flow~Control™ cooler bypass technologies allows full time cooler flow and lube to parts “so you’re not hot under the collar”…you’re SURE~COOL®

SURE~COOL® Part # STL010Ⓡ PATENT # US 11.275.891 B2
Fits GM TBV BLOCK 2014-up 6L80/90 and 8L90/GM 8 speed.
Allows you to re-use the existing GM block w/ lines and units listed
in TSB Bulletin No. 21-NA-199
Built in safety bypass • Immediate cooler fill.
• Immediate accurate fluid level check without warm-up cycle
• Reduced average operating temperatures by as much as 30%
• Reduced risk of overheat while under load, Increased ATF life.