Alloy USA 450800 8 Lug Axles Differential Cable Lock Kit for 1988-1999 Chevrolet C2500 Pickup/1988-1999 GMC C2500 Pickup/et C2500 Suburban/1992-1998 GMC C2500 Suburban/1992 Chevrolet C3500 Pickup

The Alloy USA Differential Perma-Lock Kit Is A Permanent Replacement For The Failure Prone OE Vacuum Disconnect System. The Kit Permanently Engages The Central Axle Disconnect (Cad) And Couples Both Front Axles. Once Installed The Axles Will Automatically Engage As Soon As The Transfer Case Is Placed Into Four Wheel Drive