Changing the lug bolt pattern on the front of Chevy pickups often comes along with a disc brake swap. In many cases, later model GM pickup rotors are used, which results in a 5 on 5-inch bolt ...

The wheel bolt pattern is the number of lug holes and the distance between them. This can be calculated easily by using simple measuring tools, but we need to understand the term PCD first.

Starting with the most basic small-block we could put together, we test how much horsepower basic bolt-on parts are really worth. - Super Chevy Magazine ...