Transmission Cooler Flow Bypass Valve Kit for 6L80 6L90 8L90 Silverado Sierra GM
$49.92
Fits 6L80/90 & 8L90. Is your GM truck running too hot?. The factory thermal bypass doesn't open until 190°F, which is often too late. Silverado 1500. Sierra 1500. Keep Your Transmission Cool and Prolong Its Life!
