1968-72 GM Door Hardware Screw TTL Head 1/4-20 Thread 1/2" Thread Length With 5/8" Gripper Washer 24pc Used to hold the door regulator, door tracks, door latch release and other pieces to the door frame. Each car has around 48 of these bolts used. This is for the bolts only These are the details that separate the first place cars from the rest.
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