You can see what car modifications of 雪佛兰 K20 [1975-1987] use 8x6.5 bolt pattern below:
雪佛兰 K20 has the following bolt patterns: 8x165.1. The table below shows how the bolt pattern (PCD) of the 雪佛兰 K20 has changed over the life cycle, depending on the vehicle generation: