You can see what car modifications of 雪佛兰 Express 2500 [1996-2006] use 6x139.7 bolt pattern below:
雪佛兰 Express 2500 has the following bolt patterns: 6x139.7 和 8x165.1. The table below shows how the bolt pattern (PCD) of the 雪佛兰 Express 2500 has changed over the life cycle, depending on the vehicle generation: