I want to put a locker in my car. I have a 88 Iroc that has a 305 tbi in it. It has a single cat system with a 3.08 gear. I need to know what the spline count and stuff like that so I can order a locker for it. Any help I can find would be greatly appreciated. It is a gm 10 bolt. If you can help.

Moving to Transmissions and Drivetrain.

Willie