You can see what car modifications of 雪佛兰 K10 [1981-1987] use 6x139.7 bolt pattern below:
雪佛兰 K10 has the following bolt patterns: 6x139.7. The table below shows how the bolt pattern (PCD) of the 雪佛兰 K10 has changed over the life cycle, depending on the vehicle generation: