What is the gap on an autolite app605 spark plug for a Chevrolet Express 1500 van?

The gap for an Autolite APP605 spark plug in a Chevrolet Express 1500 van is typically set at 0.040 inches (1.0 mm). However, it's always best to consult the vehicle’s owner manual or check the specifications for your specific engine model, as some variations may exist based on the engine configuration or year.