This Differential Cable Lock Kit from Alloy USA fits 83-99 Chevrolet S/T 10 and 15s, Blazers, and GM Jimmy with a vacuum actuator.

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

5 year limited warranty

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